Institut für Kraftwerkstechnik Dampf- und Gasturbinen
Publications of the Institute for Power Plant Technology, Steam and Gas Turbines

2016

Tobias W. Zimmermann, Oliver Curkovic, Manfred Wirsum, Andrew Fowler
Influence of adjusting control accuracy on pressure probe measurements in turbo machines
Journal of Energy and Power Engineering 10 (2016) 522-533, doi: 10.17265/1934-8975/2016.09.002

Tobias W. Zimmermann, Manfred Wirsum
Calibration and implementation of a transient sub miniature 5-hole probe to determine complex flow structures in turbomachines,
XXIII Biennial Symposium on Measuring Techniques in Turbomachinery, Stuttgart, Germany, September 1-2, 2016

Daniel Kroniger, Manfred Wirsum, Atsushi Horikawa, Kunio Okada, Masahide Kazari
NOx Correlation for an Industrial 10 MW Non-premixed Gas Turbine Combustor for High Hydrogen Fuels, ASME Turbo Expo 2016, GT2016-56189, Seoul, South Korea, June 13–17, 2016

Mathias Diefenthal, Michael Hopfinger, Christian Rakut, Manfred Wirsum, Tom Heuer
Thermomechanical analysis of transient temperatures in a radial turbine wheel
ASME Turbo Expo 2016, GT2016-56328, Seoul, South Korea, June 13–17, 2016

Tobias W. Zimmermann, Oliver Curkovic, Manfred Wirsum, Andrew Fowler, Kush Patel
Comparison of 2D and 3D Airfoils in Combination with Non Axisymmetric Endwall Contouring: Part 1 Experimental Investigation,
ASME Turbo Expo 2016, GT2016-56494, Seoul, South Korea, June 13–17, 2016
doi: 10.1115/ GT2016-56494

Oliver Curkovic, Tobias W. Zimmermann, Manfred Wirsum, Andrew Fowler, Kush Patel
Comparison of 2D and 3D Airfoils in Combination with Non Axisymmetric End wall Contouring: Part 2 Numerical Investigations,
ASME Turbo Expo 2016, GT2016-56914, Seoul, South Korea, June 13–17, 2016
doi: 10.1115/ GT2016-56914

Christian Rakut, Mathias Diefenthal, Manfred Wirsum, Tom Heuer
Analysis of heat transfer in a radial turbine wheel of turbochargers and prediction of heat transfer coefficients with an empirical method
ASME Turbo Expo 2016, GT2016-57687, Seoul, South Korea, June 13–17, 2016

Philipp Vinnemeier, Manfred Wirsum, Damien Malpiece, Roberto Bove
Integration of Pumped-Heat-Electricity-Storage into Water/Steam Cycles of Thermal Power Plants
5th International Symposium - Supercritical CO2 Power Cycles, March 28-31, 2016, San Antonio, Texas

Tobias W. Zimmermann, Oliver Curkovic, Manfred Wirsum, Andrew Fowler, Influence of adjusting control accuracy on pressure probe measurements in turbo machines
16th International Symposium on Transport Phenomena and Dynamics of Rotating Machinery, Apr. 11-15, 2016, Honolulu, Hawaii, USA

Barbara Zaunbrecher, Thomas Bexten, Manfred Wirsum, Martina Ziefle (2016). What is Stored, Why and How? Mental Models and Acceptance of Electrity Storage Technologies.
10th International Renewable Energy Storage Conference (IRES 2016)

Thomas Bexten, Björn Roscher, Daniel Weintraub, Ralf Bachmann, Ralf Schelenz, Georg Jacobs, Peter Jeschke, Rik W. De Doncker, Manfred Wirsum;
Modellbasierte Analyse der Auslegung und des Betriebs kommunaler Energieversorgungssysteme;
14. Symposium Energieinnovation;
(Graz 10-12 Februar 2016)

2015

Mathias Diefenthal, Christian Rakut, Hailu Tadesse, Manfred Wirsum, Tom Heuer
Temperature Gradients in a Radial Turbine in Steady State and Transient Operation,
Proceedings of International Gas Turbine Congress 2015 Tokyo, p. 875-882, Nov. 15-20, 2015

Daniel Kroniger, Manfred Wirsum, Atsushi Horikawa, Kunio Okada, Masashide Kazari
Investigation of the pressure dependence of NOx emissions of an industrial gas turbine combustor with high hydrogen content fuels,
Proceedings of International Gas Turbine Congress 2015 Tokyo, p. 122-130, Nov. 15-20, 2015

Tobias W. Zimmermann, Oliver Curkovic, Manfred Wirsum
Influence of tip seal configurations on flow and efficiency for shrouded turbine blades,
Proceedings of International Gas Turbine Congress 2015 Tokyo, p. 746-754, Nov. 15-20, 2015

Oliver Curkovic, Tobias W. Zimmermann, Manfred Wirsum
Brush Seal Modeling for a 2-stage Axial Turbine: A Parametric Study with CFD,
Proceedings of International Gas Turbine Congress 2015 Tokyo, p.755-761, Nov. 15-20, 2015

Mathias Diefenthal, Christian Rakut, Manfred Wirsum, Tom Heuer
Thermische Belastungen eines Radialturbinenrades im transienten Betrieb
20. Aufladetechnische Konferenz, Dresden

Mathias Diefenthal, Christian Rakut, Hailu Tadesse, Manfred Wirsum
Temperature Distribution in a Radial Turbine Wheel during Transient Operation,
MTZ worldwide Issue no.: 2015-09

Oliver Birkle, Peter Linier, Gregor Gierschner, Franz Hansknecht, Manfred Wirsum, Hailu Tadesse, Mario Hamberger, Christopher Lange, Dierk von Nordheim, Olaf Tebbenhoff
Konstruktion, Herstellung und Betrieb von Armaturen in der 725°C-HWT-II-Teststrecke, 
VGB PowerTech Journal 8/2015

Christian Rudolf, Manfred Wirsum, Martin Gassner, Stefano Bernero
Analysis of Long-Term Gas Turbine Operation With a Model-Based Data Reconciliation Technique,
ASME Turbo Expo 2015, GT2015-42497, Montreal, Quebec, Canada, June 15–19, 2015
doi: 10.1115/GT2015-42497

Hailu Tadesse, Christian Rakut, Mathias Diefenthal, Manfred Wirsum und Tom Heuer
Experimental Investigation of Steady State and Transient Heat Transfer in a Radial Turbine Wheel of a Turbocharger,
ASME Turbo Expo 2015, GT2015-43165, Montreal, Quebec, Canada, June 15–19, 2015
doi: 10.1115/GT2015-43165

2014

Anis Haj Ayed, Martin Kemper, Karsten Kusterer, Hailu Tadesse, Manfred Wirsum, Dierk von Nordheim, Olaf Tebbenhoff, Karl-Heinz Czychon, Klaus Metzger, Dieter Bohn
Numerical and Experimental Investigations of the Transient Thermal Behavior of a Steam By-Pass Valve at Steam Temperatures Beyond 700 °C,
ASME J. Thermal Sci. Eng. Appl. 7(1), 011015
doi: 10.1115/1.4029040

Stephan Schwab
Experimentelle Untersuchung von umfangsunsymmetrischen Dampfturbinenbeschaufelungen und von Temperaturausgleichsphänomenen an einer 2-stufigen Versuchsturbine,
Dissertation, RWTH Aachen, Deutschland, Juli 2014

Daniel Kroniger, Philipp Vinnemeier, Christian Rudolf, Manfred Wirsum
HIGH PRESSURE COMBUSTION TEST RIG FOR 10 MW FULL SCALE GAS TURBINE COMBUSTORS,
ASME Turbo Expo 2014, GT2014-26736
doi: 10.1115/GT2014-26736

Mathias Diefenthal, Hailu Tadesse, Christian Rakut, Manfred Wirsum, Tom Heuer
EXPERIMENTAL AND NUMERICAL INVESTIGATION OF TEMPERATURE FIELDS IN
A RADIAL TURBINE WHEEL,
ASME Turbo Expo 2014, GT2014-26327
doi: 10.1115/GT2014-26327

Peter Brüggemann, Ingo Balkowski, Carsten Büscher, Gerta Zimmer, Philipp Stapper, Philipp Vinnemeier, Manfred Wirsum
A NEW EMERGENCY STOP AND CONTROL VALVES DESIGN – PART 1: EXPERIMENTAL VERIFICATION WITH SCALED MODELS,
ASME Turbo Expo 2014, GT2014-25116
doi: 10.1115/GT2014-25116

Philipp Vinnemeier, Marius Tomberg, Marcel Gibbert, Manfred Wirsum: Dynamische Modellierung und Simulation des Wasser-/Dampfkreislaufs eines Solarturmkraftwerks für ein Betriebsassistenzsystem, Kraftwerkstechnik 2014 - Strategien, Anlagentechnik und Betrieb -,
Tagungsband, Hrsg. Michael Beckmann, Antonio Hurtado, SAXONIA Verlag, ISBN 978-3-934409-62-0, 2014.

Mathias Diefenthal, Hailu Tadesse, Christian Rakut, Manfred Wirsum, Tom Heuer
Experimental and Numerical Investigation of Temperature Fields in a Radial Turbine Wheel
15th International Symposium on Transport Phenomena and Dynamics of Rotating Machinery, Feb. 24-28, 2014, Honolulu, Hawaii, USA

Daniel Kroniger, Christian Rudolf, Philipp Vinnemeier, Manfred Wirsum, Takeo Oda, Atsushi Horikawa
Implementation History of a Full-scale High-pressure Gas Turbine Combustion Test Rig
15th International Symposium on Transport Phenomena and Dynamics of Rotating Machinery, Feb. 24-28, 2014, Honolulu, Hawaii, USA

Hailu Tadesse, Manfred Wirsum, Dierk von Nordheim, Olaf Tebbenhoff, Karl-Heinz Czychon, Klaus Metzger Experimental investigation of the Transient Operation of a Steam Control and Bypass Valve at Steam Temperatures Beyond 700 °C
15th International Symposium on Transport Phenomena and Dynamics of Rotating Machinery, Feb. 24-28, 2014, Honolulu, Hawaii, USA

Frank Weidner, Manfred Wirsum
Analysis of Combustion Instabilities in a Matrix Burner Test Rig with Premixed Methane-/Air-Combustion
15th International Symposium on Transport Phenomena and Dynamics of Rotating Machinery, Feb. 24-28, 2014, Honolulu, Hawaii, USA

2013

Stephan Schwab, Dominik Wendland, Manfred Wirsum
Numerical and Experimental Investigation of Tangential Endwall Contoured Blades in a 2-Stage Turbine ASME Turbo Expo 2013, GT2013-94169
doi: 10.1115/GT2013-94169

Anis Haj Ayed, Martin Kemper, Karsten Kusterer, Hailu Tadesse, Manfred Wirsum, Dierk von Nordheim, Olaf Tebbenhoff, Karl-Heinz Czychon, Klaus Metzger, Dieter Bohn
Numerical and Experimental Investigations of the Transient Thermal Behaviour of a Steam Bypass Valve at Steam Temperatures beyond 700 °C,
ASME Turbo Expo 2013, GT2013-95289
doi: 10.1115/GT2013-95289

Stephan Schwab, Dominik Wendland, Manfred Wirsum, Michael Sell
Numerical and Experimental Investigation of Flow in a Steam Turbine with Novel Endwall Contoured Blades
Proceedings of 11th International Symposium on Experimental and Computational Aerothermodynamics of Internal Flows, May 6-11, 2013, Shenzhen, China

2012

Stephan Schwab, Dominik Wendland, Manfred Wirsum und Michael Sell
Einflüsse von Seitenwandkonturierungen und Leckageinteraktion auf den Wirkungsgrad von Turbinen mit Deckbandbeschaufelungen, 13. Statusseminar AG-Turbo 03.12 bis 04.12.2012

Numerische Analyse des Einflusses von geöffneten und geschlossenen Deckband-Kavitäten auf die Strömung in Hochdruckdampfturbinen, Dissertation, RWTH Aachen, Deutschland, Oktober 2012

Robert Krewinkel
Numerical investigation of influences from manufacturing and operation on effusion cooling and its application to gas turbine blades, Dissertation, RWTH Aachen, Deutschland, Mai 2012

James Willie
Simulation and Control of Instationary Reactive Flows in a Matrix Burner for Small Power Gas Turbine Applications, Dissertation, RWTH Aachen, Deutschland, Februar 2012

Publications of the Institute for Steam and Gas Turbines

2013

G. Laschet, R. Krewinkel, P. Hul, D. Bohn
Conjugate analysis and effective thermal conductivities of effusion-cooled multi-layer blade sections
International Journal of Heat and Mass Transfer 57 (2013) 812–821

2011

D. Bohn, S. Schwab, und M. Sell:
Analysis and Evaluation of the Impact of different Blade Loadings on a 2-Stage Turbine with Shrouded Blades, ASME Turbo Expo 2011 Vancouver, Canada, June 6-10, 2011 Paper No. GT2011-46209

D. Bohn, J. Willie:
MEASUREMENT BASED ATOMIZATION MODEL FOR DIESEL SPRAY EVAPORATION AND COMBUSTION IN A MATRIX BURNER, ASME Turbo Expo 2011 Vancouver, Canada, June 6-10, 2011 Paper No. GT2011-45885

Dieter Bohn, Nils Ohlendorf and James Willie
Effects of non-linearity on the flame response and control of combustion instabilities in a matrix burner; International Journal of Spray and Combustion Dynamics, Vol. 3, No. 3, pp. 243-272, 2011

2010

D. Bohn, R. Krewinkel, V. Nolte:
Modelling and Control of the Rankine Cycle of a Small Solar Thermal Power Plant ECOS-2010, Lausanne, Switzerland, June 14-17, 2010, Paper No. 633

D. Bohn, N. Ohlendorf, F. Weidner J. Willie:
Active Control of Combustion Instabilities in a Matrix Burner Using Primary and Pilot Fuel and Acoustic Forcing ASME Turbo Expo, Glasgow, Scotland, 14-18 June 2010, Paper No. GT2010-23751

K. Kusterer, N. Moritz, D. Bohn, T. Sugimoto, R. Tanaka:
Transient Numerical Investigation of Rotor Clocking in 1.5 Stage of an Axial Test Turbine With a Blade-to-Vane Ratio of 1.5 ASME Turbo Expo, Glasgow, Scotland, 14-18 June 2010, Paper No. GT2010-22902

K. Kusterer, A. Elyas, D. Bohn, R. Tanaka, T. Sugimoto, M. Kazari:
Film Cooling Effectiveness Comparison Between Shaped- and Double Jet Film Cooling Holes in a Row Arrangement ASME Turbo Expo, Glasgow, Scotland, 14-18 June 2010, Paper No. GT2010-22604

D. Bohn, R. Krewinkel, A. Wolff:
Numerical Analysis of Heat Transfer and Flow Stability in an Open Rotating Cavity Using the Maximum Entropy Production Principle ASME Turbo Expo, Glasgow, Scotland, 14-18 June 2010, Paper No. GT2010-22025

D. Bohn, N. Ohlendorf, J. Willie:
Effects of Non-Linearity on the Flame Response and Control of Combustion Instabilities in a Matrix Burner n3l Summer School and Workshop on Non-Normal and Nonlinear Effects in Aero- and Thermoacoustics, Munich, May 17-21 2010

D. Bohn, D. Wendland:
Conjugate Calculation of Steam-Cooled Intermediate Pressure Turbine With a Live Steam Temperature of 720°C ISROMAC-13, Honululu, Hawaii, U.S.A., April 4-7, 2010, ISROMAC13-2010-028

D. Bohn, R. Krewinkel, D. Wendland:
Numerical Investigation of the Cooling Film Development on a Film- and Effusion-Cooled Blade ISROMAC-13, Honululu, Hawaii, U.S.A., April 4-7, 2010, ISROMAC13-2010-006

D. Bohn, J. Willie:
Structure and Acoustic Analysis of a Gas Turbine Matrix Burner ISROMAC-13, Honululu, Hawaii, U.S.A., April 4-7, 2010, ISROMAC13-2010-005

D. Bohn, R. Krewinkel, Chr. Rakut, G. Laschet, S. Rex:
An Integrated Approach to the Calculation of Grid-Sheets for Steam Turbine Cooling ISROMAC-13, Honululu, Hawaii, U.S.A., April 4-7, 2010, ISROMAC13-2010-004

D. Bohn, S. Schwab, M. Sell:
Development of a LDA Endoscope for Determination of the Velocity Within Shrouded Rotor Blades ISROMAC-13, Honululu, Hawaii, U.S.A., April 4-7, 2010, ISROMAC13-2010-003

2009

D. Bohn, J. Ren:
How Far Have We Been? - Summary of Investigations on Rotating Cavity at IDG, RWTH Aachen University Frontiers of Power and Energy Engineering in China, Vol. 3, No. 4, 2009, pp. 489-497 (Revised Version of 2008-ISJPPE-2007)

D. Bohn, R. Krewinkel:
Numerical Investigation of the Effectiveness of Effusion Cooling for Plane Multi-Layer Systems With Different Base-Materials Frontiers of Power and Energy Engineering in China, Vol. 3, No. 4, 2009, pp. 406-413 (Revised Version of 2008-ISJPPE-2009)

K. Kusterer, A. Elyas, D. Bohn, T. Sugimoto, R. Tanaka, M. Kazan:
Experimental and Numerical Investigations of the Double-Jet Film Cooling ICOPE-09, Kobe, Japan, 16-20 November, 2009, Paper No. A211

D. Bohn, J.F. Willie, N. Ohlendorf:
Influence of Active Control on Exhaust Gas Emissions in a Gas Turbine Matrix Burner VDI-Berichte 2056: 24. Deutscher Flammentag - Verbrennung und Feuerung, 2009, pp. 547-552

D. Abel, D. Bohn, M. Diehl, T. Hirsch, B. Hoffschmidt, R. Pitz-Paal:
The Virtual Institute for Central Receiver Power Plants - vICERP SolarPaces Conference, Berlin, Germany, 15-18 September, 2009

D. Bohn, R. Krewinkel, S. Tian:
Cooling Performance of Grid-Sheets for Highly-Loaded Ultra-Supercritical Steam Turbines Frontiers of Power and Energy Engineering in China, Vol. 3, No. 3, 2009, pp. 313-320 (Revised Version of 2008-ISJPPE-2002)

D. Bohn:
Challenging Steps Into a CO2-Reduced Power Generation With Advanced Steam and Gas Turbine Technologies International Symposium on Low-Carbon Technologies, Beijing, China, 15-18 September 2009, Paper IL-03

D. Bohn, R. Krewinkel:
Conjugate Calculation of Large Arrays of Cooling Holes Part II: Effusion-Cooled Multi-Layer Plates with Variable Streamwise Distance XIX ISABE, Montreal, Canada, 7-11 September 2009, Paper No. ISABE2009-1330

D. Bohn, R. Krewinkel:
Conjugate Calculation of Large Arrays of Cooling Holes Part I: Effusion-Cooled Multi-Layer Plates with Different Substrate Materials XIX ISABE, Montreal, Canada, 7-11 September 2009, Paper No. ISABE2009-1329

B. Rudzinski:
Experimentelle Untersuchung des Heißgaseinzuges in die Rotor-Stator-Zwischenräume einer eineinhalbstufigen Turbine für unterschiedliche Dichtkonfigurationen Dissertation, RWTH Aachen, Deutschland, August 2009

D. Bohn, J.F. Willie, N. Ohlendorf:
Experimental and Numerical Studies of Diesel Spray Evaporation and Combustion in a Gas Turbine Matrix Burner ASME Turbo Expo, Orlando, Florida, U.S.A., 08-12 June 2009, Paper No. GT2009-59348

K. Kusterer, A. Elyas, D. Bohn, T. Sugimoto, R. Tanaka, M. Kazari:
A Parametric Study on the Influence of the Lateral Ejection Angle of Double-Jet Holes on the Film Cooling Effectiveness for High Blowing Ratios ASME Turbo Expo, Orlando, Florida, U.S.A., 08-12 June 2009, Paper No. GT2009-59321

D. Bohn, J.F. Willie, N. Ohlendorf:
Phase Shift Control of Combustion Instability in a Gas Turbine Matrix Burner Using Acoustic Forcing and Pulsed Fuel Injection ASME Turbo Expo, Orlando, Florida, U.S.A., 08-12 June 2009, Paper No. GT2009-59083

D. Bohn, R. Krewinkel:
Conjugate Calculation of Effusion Cooling With Realistic Cooling Hole Geometries ASME Turbo Expo, Orlando, Florida, U.S.A., 08-12 June 2009, Paper No. GT2009-59082

D. Bohn, R. Krewinkel:
Conjugate Simulation of the Effects of Oxide Formation in Effusion Cooling Holes on Cooling Effectiveness ASME Turbo Expo, Orlando, Florida, U.S.A., 08-12 June 2009, Paper No. GT2009-59081

D. Bohn:
Designing a Power Plant With Highest Efficiency: Results From SFB 561 J. Aerospace Power, Vol. 24, No. 4, 2009, pp. 717-728 (Revised Version of 2008-ISJPPE-0003)

B. Johnson, R. Jakoby, D. Bohn, D. Cunat:
A Method for Estimating the Influence of Time-Dependent Vane and Blade Pressure Fields on Turbine Rim Seal Ingestion Journal of Turbomachinery, April 2009, Vol. 131, pp. 021005-1 - 021005-7(Revised Version of ASME GT2006-90853)

D. Bohn, Chr. Rakut:
Experimental Investigation of Open-Porous Metallic Foams for Water-Extraction in Low-Pressure Steam Turbines 8th European Turbomachinery Conference, Graz, Austria, March 23-27, 2009, Paper A234

D. Bohn, R. Krewinkel, N. Moritz:
Numerical Investigation of Large Arrays of Cooling Holes With Different Flow Angles for Effusion-Cooled Multi-Layer Plates 8th European Turbomachinery Conference, Graz, Austria, March 23-27, 2009, Paper A175

2008

D. Bohn, N. Ohlendorf, J. Willie:
Dynamisches Verhalten von Flammen in der Brennkammer VDI Wissensforum "Stationäre Gasturbinen im Wandel von Klimaschutz und Marktanforderungen", Leverkusen , 26.-27. November 2008

D. Bohn:
Future Aspects and Developments for Advanced CO2-Free Power Station Technologies 4th International Symposium on Fluid Mechanics and Fluid Engineering, Beijing, China, November 24-27, 2008

D. Bohn:
Die Entwicklung offenporöser Mehrschichtsysteme für Dampfturbinen der 700°C-Technologie VGB Power Tech 10/2008, pp. 28-32 (Revised Version of VGB Fachtagung Dampfturbinen und Dampfturbinenbetrieb, Flensburg, 27./28. Mai 2008)

D. Bohn:
Use of Biomass in Gas Turbines: Requirements and Challenges International Gasification Seminar, Malmö, Sweden, October 9-10, 2008

D. Bohn, R. Krewinkel:
Numerical Investigation of the Effectiveness of Effusion Cooling for Plane Multi-Layer Systems With Different Base-Materials 2nd International Symposium on Jet Propulsion and Power Engineering, Guilin, China, September 21-26, 2008, 2008-ISJPPE-2009

D. Bohn, J. Ren:
How Far Have we Been? - Summary of the Investigations on Rotating Cavity at IDG, RWTH Aachen Uni. - 2nd International Symposium on Jet Propulsion and Power Engineering, Guilin, China, September 21-26, 2008, 2008-ISJPPE-2007

D. Bohn, R. Krewinkel, S. Tian:
Cooling Performance of Grid-Sheets for Highly-Loaded Ultra-Supercritical Steam Turbines 2nd International Symposium on Jet Propulsion and Power Engineering, Guilin, China, September 21-26, 2008, 2008-ISJPPE-2002

D. Bohn:
Designing a Power Plant With Highest Efficiency: Results From SFB 561 2nd International Symposium on Jet Propulsion and Power Engineering, Guilin, China, September 21-26, 2008, 2008-ISJPPE-0003

D. Bohn:
Future Developments for CO2-free Power Plant Technologies With Integrated Gas Turbines VGB Power Tech 7/2008, pp. 24-30

D. Bohn:
Future Aspects and Developments for Advanced CO2-free Power Station Technologies Invited Lecture, IIW-2008, Juli 10-11Graz, Austria

K. Kusterer, A. Elyas, D. Bohn, T. Sugimoto, R. Tanaka:
Double-Jet Film Cooling for Highly- Efficient Film Cooling with Low Blowing Ratios ASME Turbo Expo, Berlin, Germany, 09-13 June 2008, Paper No. GT2008-50073

D. Bohn, N. Ohlendorf, J. Willie:
Thermoacoustic Modeling and Transfer Functions Determination for a Matrix Burner Using Unsteady CFD ASME Turbo Expo, Berlin, Germany, 09-13 June 2008, Paper No. GT2008-50370

D. Bohn, R. Krewinkel:
Influence of a Broken-Away TBC on the Flow Structure and Wall Temperature of an Effusion Cooled Multi-Layer Plate Using the Conjugate Calculation Method ASME Turbo Expo, Berlin, Germany, 09-13 June 2008, Paper No. GT2008-50378

D. Bohn:
Die Entwicklung offenporöser Mehrschichtsysteme für Dampfturbinen der 700°C-Technologie VGB Fachtagung Dampfturbinen und Dampfturbinenbetrieb, Flensburg, 27./28. Mai 2008

D. Bohn:
Kraftwerksprozess: Wirkungsgradoptimierung, Kühlkonzepte, Herausforderungen künftiger Kraftwerksprozesse mit CO2-Endlagerung VDI Wissensforum, 8.-9. April 2008, Ratingen

R. Poprawe, I.Kelbassa, K.Walther, M.Witty, D.Bohn, R. Krewinkel:
Optimising and Manufacturing a Laser-Drilled Cooling Hole Geometry for Effusion Cooled Multi-Layer Plates ISROMAC-12, Honululu, Hawaii, U.S.A., February 17-22, 2008, ISROMAC12-2008-20091

D. Bohn, N. Ohlendorf, J. Willie:
Prediction of Flame Dynamics in a Matrix Burner ISROMAC-12, Honululu, Hawaii, U.S.A., February 17-22, 2008, ISROMAC12-2008-20063

D. Bohn, R. Krewinkel, Chr. Rakut:
Proposing a Novel Approach for Plant Design: the Combined Calculation of Power Plant Processes and Component Stress ISROMAC-12, Honululu, Hawaii, U.S.A., February 17-22, 2008, ISROMAC12-2008-20008

2007

K. Kusterer, B. Becker, T. Hagedorn, A. Haj-Ayed, L. Saleh-Pour, T. Sugimoto, Y. Kinoshita, D. Bohn:
Low NOx-Emission Study for an Industrial Gas Turbine Pre-Mixed Combustor IGTC2007, Tokyo, Japan, December 2-7, 2007, Paper-No. IGTC2007-TS124

D. Bohn:
Improved Cooling Concept for Turbine Blades of High-Temperature Gas Turbines VGB PowerTech 12/2007 pp.96-103

D. Bohn:
Sonderforschungsbereich 561 und ISF mit neuen Ideen für die Kraftwerksgeneration 2025 Proceedings des 10. internationalen Aachener Schweißtechnik Kolloquium, 24./25. Oktober 2007, Aachen, pp. 413-423

K. Kusterer, D. Bohn, T. Sugimoto, R. Tanaka:
Double-Jet Ejection of Cooling Air for Improved Film Cooling Journal of Turbomachinery, 10-2007, Vol.129, Issue 4, pp. 809-815 (Revised Version of GT2006-90854)

G. Laschet, S. Rex, D. Bohn, R. Krewinkel:
3-Dimensional Numerical Analysis of Curved Transpiration Cooled Plates and Homogenization of Their Aerothermal Properties ASME Journal of Turbomachinery 10 - 2007, Vol.129 , Issue 4, pp. 791-799 (Revised Version of GT2006-90377)

D. Bohn:
Advanced Steam and Gas Turbines Technologies for Future Power Plant Generation Invited Lecture - A.S.I. / SKODA Conference on Steam Turbines and Other Turbomachinery, Plzn, Czech Republic, September 6-7, 2007

P. Shan, D. Bohn, J. Ren, N. Sürken:
Parameter Survey of Thermally Highly Loaded, Porous and Cooled Multi-Layer Systems for Turbine Blade Journal of Thermal Science, Vol. 16, No.2, 2007, pp. 181-185 (Revised Version of "2006-ISJPPE-3011")

D. Bohn, J. Ren, K. Kusterer:
Investigation of the Steam-Cooled Blade in a Steam Turbine Cascade Journal of Aerospace Power, Vol. 22, No. 5, 2007 (Revised Version of "2006-ISJPPE-3016")

D. Bohn:
Hybrid System - A Promising Way Solving Future Energy Problems Journal of Aerospace Power, Vol. 22, No. 4, pp. 565-576 (ISSN 1000-8055) (Revised Version of "2006-ISJPPE-Invited Lecture")

D. Bohn:
Das Kombikraftwerk der Zukunft RWTH Themen, Sonderheft Sommersemester 2007, pp. 22-26 (ISSN 0179-079X)

D. Bohn, R. Krewinkel:
The Influence of Manufacturing and Operational Factors on the Temperature in Effusion-Cooled Gas Turbine Parts GTE-2007, Kyiv, Ukraine, May 29-31, 2007

K. Kusterer, N. Moritz, D. Bohn, T. Sugimoto, R. Tanaka:
Reduction of Tip Clearance Losses in an Axial Turbine by Shaped Design of the Blade Tip Region ASME Turbo Expo, Montreal, Canada, May 14-17, 2007, Paper No. GT2007-27303

K. Kusterer, D. Bohn, T. Sugimoto, R.Tanaka:
Influence of Blowing Ratio on the Double-Jet Injection of Cooling Air ASME Turbo Expo, Montreal, Canada, May 14-17, 2007, Paper No. GT2007-27301

K. Kusterer, T. Hagedorn, D. Bohn Unsteady Simulation of a Slide Valve Operation March 15, 2007

D. Bohn, J. Ren:
Influence of Laminar and Turbulent Viscosity on the Unstable Flow Pattern in a Rotating Cavity 7th European Turbomachinery Conference, Athens, Greece, March 5-7, 2007, Paper B-135

D. Bohn, R. Krewinkel:
Effects of Concave and Convex Curvature on the Cooling Effectiveness of Effusion Cooled Multi-Layer Plates 7th European Turbomachinery Conference, Athens, Greece, March 5-7, 2007, Paper B-133

N. Sürken:
Systematische Analyse kondensierender Strömungen im Niederdruckteil von Dampfturbinen Dissertation, RWTH Aachen, Deutschland, Februar 2007

2006

D. Bohn, K, Kusterer:
New Methods for Calculation of Heat Transfer in Coated Gas Turbine Blades B&B-Agema, 2006

R.Pitz-Paal, R. Buck, D. Bohn:
Einkopplung von Solarenergie in Gasturbinen - Ansätze, Erfahrungen und Forschungsbedarf Stationäre Gasturbinen im Fokus der Wirtschaftlichkeit, Sicherheit, KlimaschutzVDI-Berichte Nr.1695, page 21-32, 2006

K. Kusterer, T. Sugimoto, R. Tanaka, D. Bohn:
Erhöhung der Kühleffektivität bei modernen Gasturbinenschaufeln durch optimierte Positionierung der Filmkühlbohrungen Stationäre Gasturbinen im Fokus der Wirtschaftlichkeit, Sicherheit, KlimaschutzVDI-Berichte Nr.1695, page 61-72, 2006

D. Bohn:
SFB 561: aiming for 65% CC efficiency with an air cooled gas turbine Modern Power Systems, Vol. 26, No. 9, September 2006, pp. 25-29

D. Bohn:
Hybrid System - A Promising Way Solving Future Energy Problems First International Symposium on Jet Propulsion and Power Engineering, Kunming, China, September 17-22, 2006, 2006-ISJPPE-Invited Lecture

D. Bohn, J. Ren, K. Kusterer:
Investigation of the Steam-Cooled Blade in a Steam Turbine Cascade First International Symposium on Jet Propulsion and Power Engineering, Kunming, China, September 17-22, 2006, 2006-ISJPPE-3016

P. Shan, D. Bohn, J. Ren, N. Sürken:
Thermally Highly Loaded, Porous and Cooled Multi-Layer Systems for Combined Cycle Power Plants First International Symposium on Jet Propulsion and Power Engineering, Kunming, China, September 17-22, 2006, 2006-ISJPPE-3011

K. Kusterer, Th. Hagedorn, D. Bohn, T. Sugimoto, R. Tanaka:
Improvement of a Film-Cooled Blade by Application of the Conjugate Calculation TechniqueJournal of Turbomachinery, July 2006, Vol. 128, pp. 572-578 (Revised Version of GT2005-68555)

I. Balkowski:
Experimentelle und theoretische Untersuchungen zur Geräuschentstehung und -minderung in Drosselarmaturen und DampfumformventilenDissertation, RWTH Aachen, Deutschland, Juli 2006

D. Bohn, M. Sell:
Einfluss von Naben- und Gehäusekavitäten auf den Dampfturbinenwirkungsgrad VGB Fachtagung "Dampfturbinen und Dampfturbinenbetrieb", Bremen, 20.-21. Juni 2006

D. Bohn, Ch. Tümmers, R. Krewinkel, M. Sell:
Influence of the Radial and Axial Gap of the Shroud Cavities on the Flowfield in a 2-Stage Turbine ASME Turbo Expo, Barcelona, Spain, May 08-11, 2006, Paper No. GT2006-90857

D. Bohn, R. Krewinkel:
The Effects of Unintentional Deviations Due to Manufacturing of Cooling Holes and Operation on Transpiration Cooling Efficiency ASME Turbo Expo, Barcelona, Spain, May 08-11, 2006, Paper No. GT2006-90856

K. Kusterer, D. Bohn, T. Sugimoto, R. Tanaka:
Double-Jet Injection of Cooling Air for Improved Film-Cooling ASME Turbo Expo, Barcelona, Spain, May 08-11, 2006, Paper No. GT2006-90854

B. Johnson, R. Jakoby, D. Bohn, D. Cunat:
A Method for Estimating the Influence of Time-Dependent Vane and Blade Pressure Fields on Turbine Rim Seal Ingestion ASME Turbo Expo, Barcelona, Spain, May 08-11, 2006, Paper No. GT2006-90853

D. Bohn, J. Ren, Ch. Tümmers:
Investigation of the Unstable Flow Structure in a Rotating Cavity ASME Turbo Expo, Barcelona, Spain, May 08-11, 2006, Paper No. GT2006-90494

D. Bohn, A. Decker, N. Ohlendorf, R. Jakoby:
Influence of an Axial and Radial Rim Seal Geometry on Hot Gas Ingestion into the Upstream Cavity of an 1.5-Stage Turbine ASME Turbo Expo, Barcelona, Spain, May 08-11, 2006, Paper No. GT2006-90453

G. Laschet, S. Rex, D. Bohn, R. Krewinkel:
3-D Analysis of Curved Transpiration Cooled Plates and Homogenization of Their Aerothermal Properties ASME Turbo Expo, Barcelona, Spain, May 08-11, Paper No. GT2006-90377

P. Childs, K. Dullenkopf, D. Bohn:
Internal Air Systems Experimental Rig Best Practice ASME Turbo Expo, Barcelona, Spain, May 08-11, 2006, Paper No. GT2006-90215

D. Bohn, R. Krewinkel:
Influence of Production-Caused Deviations in Cooling Hole Geometry on the Cooling Efficiency of a Transpiration-Cooled Multi-Layer PlateISROMAC-11, Honolulu, Hawaii, U.S.A., February 26 - March 02, 2006, ISROMAC11-15

D. Bohn, Ch. Tümmers, M. Sell:
Influence of the Radial Gap on the Flow Field of a 2-Stage Turbine with Shrouded Bladings ISROMAC-11, Honolulu, Hawaii, U.S.A., February 26 - March 02, 2006, ISROMAC11-14

2005

D. Bohn, K, Kusterer:
Turbulent and Conjugate Heat Transfer Simulation for Gas Turbine Application WIT Press, Southhampton, UK 2005 pp 248-313

D. Bohn, J. Ren, K. Kusterer:
Systematic Investigation of the Heat Transfer Rate in the Film Cooling Flowfield International Journal of Rotating Machinery, Vol. 3, 2005, pp. 211-220 (Revised Version of ISROMAC10-2004-138)

D. Bohn, S. Ausmeier, J. Ren:
Investigation of the Optimum Clocking Position in a Two-Stage Axial Turbine International Journal of Rotating Machinery, Vol. 3, 2005, pp. 202-210 (Revised Version of ISROMAC10-2004-144)

D. Bohn:
Decentralised energy systems: state of the art and potentials Int. Journal of Energy Technology and Policy, Vol. 3, Nos. 1/2, 2005, pp. 1-11

D. Bohn, J. Ren, Ch. Tümmers, M. Sell:
Effect of Clocking on the Pressure Distribution in a Two-Stage Axial Turbine ISABE-2005-1034, XVII ISABE, Munich, Germany, Sept. 4.-9., 2005

D. Bohn, N. Moritz, Ch. Tümmers:
Influence of Convex Curvature on Heat Transfer and Thermal Load of Full Coverage Cooled Multi-Layer Plates ISABE-2005-1072, XVII ISABE, Munich, Germany, Sept. 4.-9., 2005

D. Bohn, J. Ren, Ch. Tümmers, M. Sell:
Unsteady 3D-Numerical Investigation of the Influence of the Shroud Cavities on the Stator-Rotor Interaction in a 2-Stage Turbine ISABE-2005-1155, XVII ISABE, Munich, Germany, Sept. 4.-9., 2005

D. Bohn, T. Heuer, K. Kusterer:
Conjugate Flow and Heat Transfer Investigation of a Turbo Charger Journal of Engineering for Gas Turbines and Power, Volume 127, Number 3, 2005, pp. 663-669 (Revised Version of GT2003-38445)

D. Bohn:
Technologien für die Gasturbinen der übernächsten Generation - Ergebnisse aus dem DFG-Sonderforschungsbereich 561 VGB Power Tech, Vol. 7/2005, pp. 65 -71

D. Bohn, N. Moritz:
Algebraic method for efficient adaption of structured grids to fluctuating geometries IMechE Journal of Power and Energy - Part 1, Vol 219, 2005

K. Kusterer, T. Hagedorn, T. Sugimoto, R. Tanaka, D. Bohn:
Improvement of a film-cooled blade by application of the conjugate calculation technique ASME Turbo Expo. Reno, Nevada, USA, June 06-09, 2005. Paper No. GT2005-68555

D. Bohn, J. Ren, C. Tümmers, M. Sell:
Unsteady 3D-Numerical Investigation of the Influence of the Blading Design on the Stator-Rotor Interaction in a 2-Stage Turbine ASME Turbo Expo. Reno, Nevada, USA, June 06-09, 2005. Paper No. GT2005-68115

D. Bohn, J.Ren, K. Kusterer:
Cooling performance of the steam-cooled blade in a steam turbine cascade ASME Turbo Expo. Reno, Nevada, USA, June 06-09, 2005. Paper No. GT2005-68148

D. Bohn, U. Dilthey, F. Schubert:
Kombikraftwerk der Zukunft - Innovative Technologien für ein GuD-Kraftwerk mit 65 % Wirkungsgrad BWK Bd. 57 (2005) Nr. 5

D. Bohn:
Technologien für die Gasturbinen der übernächsten Generation VGB Fachtagung "Gasturbinen und Gasturbinenbetrieb", Dresden, 11.-12. Mai 2005

K. Kusterer, D.Bohn:
Convective Steam Cooling Of A Test Configuration For A Gas Turbine Vane; 6th World Conference Heat Transfer; April 17-21, 2005, Matsushima, Miyagi, Japan

D. Bohn:
Innovative Technologien für ein GuD-Kraftwerk mit einem Wirkungsgrad über 65% FVV Frühjahrstagung, Frankfurt, 06.-07. April, 2005

D. Bohn:
Micro Gas Turbine and Fuel Cell - A Hybrid Energy Conversion System with High Potential Micro Gas Turbines, RTO-AVT-VKI Lecture Series, Brussels, Belgium, March 14-18, 2005

D. Bohn, J. Ren:
Improving turbine's efficiency by the clocking technique STAR European Conference 2005, February 28 - March 1, 2005, London, UK

D. Bohn, J. Ren:
Turbines clock in: improving efficiency by the clocking technique CD Adapco Dynamics, Issue 24, Spring 2005, pp. 22-23

D. Bohn, J. Ren:
Influence of Stator Clocking on the Unsteady 3D Flow in a Two-stage Turbine ASME Journal of Turbomachinery,Vol. 127 Issue 1, 2005. pp 156-163 (revised version of GT2004-53511)

T. Heuer:
Wechselwirkung zwischen Strömung und Wärmetransport an Gasturbinenschaufeln und einem ölgekühlten Abgasturbolader Dissertation, RWTH Aachen, Deutschland, Januar 2005 Dr.-Ing. Heuer, Tom: "Wechselwirkung zwischen Strömung und Wärmetransport an Gasturbine

2004

D. Bohn:
State-of-the-Art and Future Development in Thermal Turbomachinery used in Power Stations ISFMFE-Conference, Beijing, China, December 1-3, 2004

D. Bohn, I. Balkowski, Ch. Tümmers, M. Sell:
3D-instationäre Schaufelgitter-Interaktionen in zweistufigen Turbinenbeschaufelungen mit Deckband-Kavitäten Tagungsband zum 9. Statusseminar der AG Turbo, Verbundprojekt "CO2-armes Kraftwerk - 500 MW auf einer Welle", Köln, 01.-02. Dezember, 2004

D. Bohn, U. Dilthey, F. Schubert:
Innovative Technologien für ein GuD-Kraftwerk mit 65 % Wirkungsgrad VDI-GET Fachtagung, Leverkusen, 23.-24. November, 2004

K.Kusterer, D.Bohn:
Experiences with the Practical Application of the Conjugate Calculation for TurbomachineryPromuval Workshop Athens, Greece Nov 22-23, 2004

D. Bohn, J. Funcke, J. Ren, N. Sürken, M. Sell, Th. Osterhage:
Numerical and Experimental Investigation of the Wetness in the Front Stages of a Low-Pressure Steam Turbine VGB PowerTech, Vol. 84/2004, No. 11/2004

H.-W. Ma, D.E. Bohn, F. Kreitmeier, M. Sell:
Measurements of a Two-Stage Axial Turbine With Shrouded Rotor Cavities Journal of Thermal Science, 2004, Vol. 13 (4), pp. 310-314

H.-W. Ma, D.E. Bohn, A. Decker, B. Rudzinski:
Quasi 3D-LDV Measurements of Unsteady Flow Fields in a Rim Sealing of a Turbine Stage Journal of Aerospace Power, 2004, Vol. 19 (4), pp. 455-458

D. Bohn, J. Funcke, J. Ren, N. Sürken, M. Sell, Th. Osterhage:
Numersiche und experimentelle Untersuchung der Nässe in den Frontstufen von Niederdruckdampfturbinen VGB-Fachtagung "Dampfturbinen und Dampfturbinenbetrieb 2004", Regensburg, 15. - 16. Juni, 2004

R. Jacoby, T. Zierer, L. Devito, K. Lindblad, J. Larsson, D.E. Bohn, J. Funcke, A. Decker:
Numerical Simulation of the Unsteady Flow Field in an Axial Gas Turbine Rim Seal Configuration GT-2004-53829, ASME Turbo Expo 2004, Vienna, Austria, June 14 - 17, 2004

D. Bohn, J. Ren, M. Sell:
Influence of Stator Clocking on the Unsteady 3D Flow in a Two-stage Turbine GT-2004-53511, ASME Turbo Expo 2004, Vienna, Austria, June 14 - 17, 2004

K. Kusterer, D. Bohn, T. Sugimoto, T. Tanaka:
Conjugate Calculations for a Film-cooled Blade Under Different Operating Conditions GT-2004-53719, ASME Turbo Expo 2004, Vienna, Austria, June 14 - 17, 2004

T. Scanlon, J. Wilkes, D. Bohn, O. Gentilhomme:
A Simple Method for Estimating Ingestion of Annulus Gas into a Turbine Rotor Stator Cavity in the Presence of External Pressure Variations GT-2004-53097, ASME Turbo Expo 2004, Vienna, Austria, June 14 - 17, 2004

D. Bohn, J. Ren, K. Kusterer:
Systematic Investigation on Conjugate Heat Transfer Rates of Film Cooling Configurations ISROMAC-10, Honolulu, Hawaii, U.S.A., March 07 - 11, 2004, ISROMAC10-2004-138

D. Bohn, N. Moritz:
Numerical Study on Inner Hole Shaping of Full Coverage Cooled Multi-Layer Plates ISROMAC-10, Honolulu, Hawaii, U.S.A., March 07 - 11, 2004, ISROMAC10-2004-143

D. Bohn, S. Ausmeier, J. Ren:
Investigation of the Optimum Clocking Position in a Two-Stage Axial Turbine ISROMAC-10, Honolulu, Hawaii, U.S.A., March 07 - 11, 2004, ISROMAC10-2004-144

D. Bohn, I. Balkowski:
Interaction of Steam Flow and Oxidation-Layer at the Surface of Steam Turbine Guide Vanes at Higher Steam Parameters of 620°C and 93 bar ISROMAC-10, Honolulu, Hawaii, U.S.A., March 07 - 11, 2004, ISROMAC10-2004-155

2003

J. Lepers:
Numerische Untersuchung des Betriebsverhaltens und der Schadstoffemissionen von Gasturbinen bei Feuerung niederkalorischer Gase Dissertation RWTH Aachen, Deutschland, 2003

D. Bohn, S. Ausmeier, T. Heuer, M. Wolff, N. Moritz:
Gekoppelte Berechnung von Strömung und Wärmetransport in Verdichter, Turbine und Gehäuse einer Gasturbine VGB PowerTech, Vol. 83, No. 11/2003

K. Kusterer, D. Bohn, T. Sugimoto, R. Tanaka:
Conjugate Heat Transfer, Internal Flow, and External Flow Analyses for a Film-cooled Blade ICOPE-03, Kobe, Paper-No. C103, pp. 143-148, Vol. 1, Nov 9-13, 2003

D. Bohn, N. Moritz:
Numerical Parametric Study on Full Coverage Cooled Multi-Layer Plates International Gas Turbine Congress (IGTC) 2003 Tokyo, Japan, 2-7 November 2003

K. Kusterer, D. Bohn, T. Sugimoto, R. Tanaka:
Conjugate Heat Transfer Analysis of a Test Configuration for a Film-cooled Blade International Gas Turbine Congress (IGTC) 2003 Tokyo, Japan, 2-7 November 2003

D. Bohn, I. Balkowski, Ch. Tümmers, M. Sell:
Numerical Investigation of two 3-D designed Profiles in a 2-Stage Turbine with Shrouded Blades International Gas Turbine Congress (IGTC) 2003Tokyo, Japan, 2-7 November 2003

D. Bohn, N. Sürken, S. Mizuki, H. Tsujita:
Numerical Investigation of Flow around the Leading Edge of a Turbine Blade with Transpiration Cooling (1st Report, Properties for Fundamental Parameters) (in japanese), Transactions of the JSME, Vol. 69, No. 686-B, pp. 2221-2229, Oct. 2003

J. Lepers, K. Kusterer, D. Bohn, J. Ren:
Cooling towers in the wind CD adapco Dynamics, Autumn 2003, Sept. 19, 2003

D. Bohn, K. Kusterer, T. Sugimoto, R. Tanaka:
Conjugate Analysis of a Test Configuration for a Film-cooled Blade under Off-design Conditions ISABE-2003-1176, XVI ISABE, Cleveland, OH, USA, Aug. 31 - Sept. 05, 2003

D. Bohn, T. Heuer, K. Kusterer:
Conjugate Flow and Heat Transfer Analysis of a Turbo Charger ISABE-2003-1167, XVI ISABE, Cleveland, OH, USA, Aug. 31 - Sept. 05, 2003

D. Bohn, N. Sürken, F. Kreitmeier:
Nucleation Phenomena in a Multi-Stage Low Pressure Steam Turbine ImechE - Journal of Power and Energy, Part A, Vol. 217, Number 4, pp. 453-460, August 2003

H. Kerpici:
Keimbildung und Tropfenwachstum bei der Nichtgleichgewichtskondensation in der Düse und im Leitschaufelkanal der Niederdruckturbinen Dissertation, RWTH Aachen, Deutschland, August 2003

D.E. Bohn, H. H.-W. Funke:
Experimental Investigations Into the Nonuniform Flow in a 4-Stage Turbine With Special Focus on the Flow Equalization in the First Turbine Stage GT2003-38547, ASME Turbo Expo 2003, Atlanta, GA, USA, June 16 - 19, 2003

D. Bohn, A. Decker, H. Ma, M. Wolff:
Influence of Sealing Air Mass Flow on the Velocity Distribution in and inside the Rim Seal of the Upstream Cavity of a 1.5-Stage Turbine GT-2003-38459, ASME Turbo Expo 2003, Atlanta, GA, USA, June 16 - 19, 2003

D. Bohn, M. Wolff:
Improved Formulation to Determine Minimum Sealing Flow - Cw, min - for Different Sealing Configurations GT-2003-38465, ASME Turbo Expo 2003, Atlanta, GA, USA, June 16 - 19, 2003

D. Bohn, Ch. Tümmers:
Numerical 3-D Conjugate Flow and Heat Transfer Investigation of a Transonic Convection-Cooled Thermal Barrier Coated Turbine Guide Vane with Reduced Cooling Fuid Mass Flow GT2003-38431, ASME Turbo Expo 2003, Atlanta, GA, USA, June 16 - 19, 2003

D. Bohn, I. Balkowski, H. Ma, Ch. Tümmers, M. Sell:
Influence of Open and Closed Shroud Cavities on the Flowfield in a 2-Stage Turbine with Shrouded Bladings GT2003-38436, ASME Turbo Expo 2003, Atlanta, GA, USA, June 16 - 19, 2003

D. Bohn, J. Ren, K. Kusterer:
Conjugate Heat Transfer Analysis for Film Cooling Configurations with Different Hole Geometries GT-2003-38369, ASME Turbo Expo 2003, Atlanta, GA, USA, June 16 - 19, 2003

G. Laschet, S. Rex, D. Bohn, N. Moritz:
Homogenization of Material Properties of Transpiration Cooled Multilayer Plates GT2003-38439, ASME Turbo Expo 2003, Atlanta, GA, USA, June 16 - 19, 2003

D. Bohn, T. Heuer, K. Kusterer:
Conjugate Flow and Heat Transfer Investigation of a Turbo Charger: Part I - Numerical Results GT2003-38445, ASME Turbo Expo 2003, Atlanta, GA, USA, June 16 - 19, 2003

D. Bohn, N. Moritz, M. Wolff:
Conjugate Flow and Heat Transfer Investigation of a Turbo Charger: Part II - Experimental Results GT2003-38449, ASME Turbo Expo 2003, Atlanta, GA, USA, June 16 - 19, 2003

D. Bohn, J. Lepers:
Effects of Biogas Combustion on the operation characteristics and pollutant emissions of a micro gas turbine GT2003-38767, ASME Turbo Expo 2003, Atlanta, GA, USA, June 16 - 19, 2003

D. Bohn, S. Ausmeier, T. Heuer, M. Wolff, N. Moritz:
Gekoppelte Berechnung von Strömung und Wärmetransport in Verdichter, Turbine und Gehäuse einer Gasturbine VGB-Fachtagung "Gasturbinen und Gasturbinenbetrieb 2003", Bonn, Germany, May 14-15, 2003

D. Bohn, I. Balkowski:
Investigations on the Development of the Oxidation-Layer on a Steam Turbine Guide Vane - Interaction of the Steam Flow at Higher Steam Parameters of 620 °C and 94 bar. VGB-PowerTech, Vol. 83, No. 4/2003, pp. 62-66, 2003

D. Bohn, J. Ren , K. Kusterer:
Conjugate Heat Transfer Analysis of Cooling Jets Ejected from a Row of Shaped Holes 6th International Symposium on Experimental and Computational Aerothermodynamics of Internal Flows (6th ISAIF), Shanghai, China, Apr. 7-11, 2003

D. Bohn, N. Sürken, F. Kreitmeier:
Nucleation Phenomena in a Multi-Stage Low Pressure Steam Turbine Proceedings of the 5th European Conference on Turbomachinery, Prague, Czech Republic, March 17-22, 2003

D. Bohn, J. Ren, K. Kusterer:
Influence of Conjugate Heat Transfer on Film Cooling Proceedings of the 5th European Conference on Turbomachinery, Prague, Czech Republic, March 17-22, 2003

D. Bohn:
Dezentrale Energiesysteme: Stand der Technik und Potenziale VDI-GET Fachtagung "Fortschrittliche Energiewandlung und -anwendung", Stuttgart, Germany, March 11-12, 2003 (VDI Berichte 1746, 2003, pp. 7-18)

2002

J. Gier:
Untersuchung des Ausgleichs von Temperaturinhomogenitäten in Turbinen auf Basis numerischer Strömungssimulationen Dissertation, RWTH Aachen, Deutschland, November 2002

D. Bohn, J. Lepers:
Wege zum 70 % Kraftwerk - Kopplung von Mikrogasturbine und Brennstoffzelle VDI-Berichte Nr. 1714, 165-176, September 2002

D. Bohn:
New Materials and Cooling Systems for High Temperature, Highly Loaded Components in Advanced Combined Cycle Power Plants 7th Liège Conference, Sept. 30 - Oct. 02, 2002, Liège, Belgium

D. Bohn, U. Krüger, K. Kusterer:
Conjugate heat transfer: an advanced computational method for the cooling design of modern gas turbine blades and vanes WIT Press, Heat Transfer in Gas Turbines ISBN: 1-85312-666-7, 2002

D. Bohn, T. Heuer, K. Kusterer:
Conjugate Flow and Heat Transfer Investigations of Turbine Nozzle Guide Vanes Proceedings of the 12th International Heat Transfer Conference, Vol. 4, pp. 675 - 680, Grenoble, France, August 2002

D. Bohn, I. Balkowski:
Untersuchungen zur Entwicklung der Oxidschicht auf einer Dampfturbinen-Leitschaufel und deren Wechselwirkung mit der Umströmung bei erhöhten Dampfparametern von 620 °C und 94 bar VGB-Fachtagung "Dampfturbinen und Dampfturbinenbetrieb 2002", Speyer, Deutschland, Juni 2002

D. Bohn, Ch. Tümmers:
Numerical Investigation of Anisotropic Turbulence Effects Around a Film Cooled Turbine Vane ASME TURBO EXPO, GT-2002-30351, Amsterdam, Netherlands, June 2002

D. Bohn, K. Kusterer, A. Wolff, M. Wolff:
Experimental and Numerical Investigation of a Steam-Cooled Vane ASME TURBO EXPO, GT-2002-30210, Amsterdam, Netherlands, June 2002

D. Bohn, J. Lepers, N. Pöppe:
Assessment of the Potential of Combined Micro Gas Turbine and High Temperature Fuel Cell Systems ASME TURBO EXPO, GT-2002-30112, Amsterdam, Netherlands, June 2002

D. Bohn, N. Sürken. Q. Yu, F. Kreitmeier:
Axisymmetric Endwall Contouring in a Four-Stage Turbine - Comparison of Experimental and Numerical Results ASME TURBO EXPO, GT-2002-30351, Amsterdam, Netherlands, June 2002

D. Bohn, N. Pöppe:
State of the Art and Potential of Micro Gas Turbines in Combination with High Temperature Fuel Cells VGB-PowerTech, Vol. 82, No. 3/2002, pp. 43-46, March 2002

D. Bohn, H. Kerpicci, J. Ren, N. Sürken:
Homogeneous and Heterogeneous Nucleation and Wet-Steam Flow in a Nozzle and a LP-Turbine Cascade 9th International Symposium on Transport Phenomena and Dynamics of Rotating Machinery, DD-ABS-095, Honolulu, Hawaii,February 2002

D. Bohn, F. Bouzidi, E.E. Kitanina, V.V. Ris, E.N. Smirnov, C. Burkhardt, M. Wolff:
Numerical and Experimental Investigations of the Air Flow and Heat Transfer in Rotating Cavities 9th International Symposium on Transport Phenomena and Dynamics of Rotating Machinery, HT-ABS-035, Honolulu, Hawaii, February 2002

2001

K. Kusterer:
Numerische Untersuchung des thermischen Mischungsverhaltens in Kühlluftstrahlen zur Vorderkantenkühlung von Gasturbinenschaufeln Dissertation, RWTH Aachen, ISBN 3-89653-892-6, Verlag Mainz, Aachen, 2001

D. Bohn, J. Ren:
Salt Solution and Radius Dependence of Surface Tension in Heterogenoeus Nucleation in Steam Turbine 2001 Chinese Engineering Thermophysics Conference, Qingdao, October 2001

D. Bohn, Ch. Tümmers, F. Kreitmeier:
Numerical Simulation of 3-D-Flow with Respect to the Anisotropic Character of Turbulence XV ISABE 2001, ISABE-2001-1156, Bangalore, India , September 2001

U. Krüger, J. Hüren, S. Hoffmann, W. Krebs, P. Flohr, D. Bohn:
Prediction and MEasurement of Thermoacoustic Improvements in Gas Turbines With Annular Combustion Systems Journal of Engineering for gas Turbines and Power, July 2001, Vol. 123, pp. 557-566 (Revised Version of 00-GT-095)

D. Bohn, T. Heuer:
Conjugate Flow and Heat Transfer Calculation of a High Pressure Turbine Nozzle Guide Vane AIAA 2001-3304, 37th AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit, Salt Lake City Utah, July 2001

D. Bohn, N. Sürken:
Leakage Loss Reduction by Endwall Contouring AIAA 2001-2663, 15th AIAA Computational Fluid Dynamics Conference, Anaheim, CA, USA, June 2001

D. Bohn, N. Moritz:
Comparison of Cooling Film Development Calculations for Transpiration Cooled Flat Plates with different Turbulence Models ASME TURBO EXPO 2001, 2001-GT-0132, New Orleans, LA, USA, June 2001

D. Bohn, I.Balkowski:
Excitation of Ring Vortex Production in Subsonic Jets by Sound Waves ASME TURBO EXPO 2001, 2001-GT-0261, New Orleans, LA, USA, June 2001

D. Bohn, H. Funke, N. Sürken, F. Kreitmeier:
Numerical and Experimental Investigations on Endwall Contouring in a Four-Stage Turbine ASME TURBO EXPO 2001, 2001-GT-0481, New Orleans, LA, USA, June 2001

U. Krüger, K. Kusterer, G. Lang, H. Rösch, D. Bohn, E. Martens:
Analysis of the Influence of Cooling Steam Conditions on the Cooling Efficiency of a Steam-cooled Vane Using the Conjugate Calculations Technique ASME TURBO EXPO 2001, 2001-GT-0166, New Orleans, LA, USA, June 2001

D. Bohn, J. Lepers, N. Pöppe:
Micro-Gas-Turbine and Fuel Cell - A Challenge for the Future in Decentralized Power and Heat Supply Euroheat & Power Conference, Gdynia,Polen, June 2001

D. Bohn, N. Moritz:
Numerical Investigation on Flow Field and Heat Transfer Phenomena in Multi-Hole Cooling Configurations RTO-Symposium, Loen, Norwegen, May 2001

D. Bohn, M. Felderhoff, J. Lepers, N. Moritz:
SFB 561 - Energieforschung für die neue Kraftwerksgeneration nach 2020 7. Internationales Aachener Schweißtechnik Kolloquium, Aachen, Deutschland, Mai 2001

G. Laschet, S. Rex, D. Bohn, N. Moritz:
3-D Investigation of Transpiration Cooled Coated Plates and Homogenisation of their Thermal Properties CHT '01, Advances in Computational Heat Transfer II, pp. 551-558, Palm Cove, Queensland, Australia, May 2001

D. Bohn, H. Kerpicci, J. Ren, N. Sürken:
Homogeneous and Heterogeneous Nucleation in a Nozzle Guide Vane of a LP-Steam Turbine 4th ECT, Florenz, Italy, March 2001

D. Bohn, J. Lepers, N. Pöppe, N. Sürken:
Potenzial der Kopplung von Mikrogasturbinen und Brennstoffzellen für die dezentrale Energieversorgung VDI-GET-Tagung, Bochum, März 2001

H. Funke:
Analyse der Temperatur- und Strömungsungleichförmigkeiten in mehrstufigen Turbinen Dissertation, RWTH Aachen, Deutschland, März 2001

D. Bohn, N. Pöppe:
Entwicklungsstand und Potential von Mikro-Gasturbinen in Verbindung mit Hochtemperatur-Brennstoffzellen VGB-Konferenz "Neue Kraftwerkskonzepte zur Strom- und Wärme-Erzeugung", Essen, 15. Februar 2001

D. Bohn, N. Pöppe:
Künftige Kraftwerkstechnik auf Basis fossiler Brennstoffe Akademie der Wissenschaften, Düsseldorf, Deutschland, Januar 2001

2000

D. Bohn, H. Kerpicci, J. Ren, N. Sürken, F. Kreitmeier:
Aktive Beeinflussung der thermodynamischen und kinematischen Relaxationsprozesse in Niederdruck-Dampfturbinen durch Intensivierung des Keimbildungsprozesses Tagungsband zum 7. Statusseminar der AG Turbo, Verbundprojekt "CO2-armes Kraftwerk - 500 MW auf einer Welle", Dezember 2000, Köln

O. Then:
Entwicklung eines Diagnosesystems zur Optimierung der Fahrweise eines dampfgeführten Kombi-Kraftwerks Dissertation, RWTH Aachen, Deutschland, December 2000 Dr.-Ing. Then, Oliver: "Entwicklung eines Diagnosesystems zur Optimierung der Fahrweise eines dampfgeführten Kombi-Kraftwerks" (Dezember 2000)

D. Bohn, U. Krüger, K. Kusterer:
Increasing the Lifetime and Reliability of Heavily Stressed Power Plant Components by the Coupled Calculation of Fluid Flow and Thermal Conduction International Journal for Power Plant Technology, Volume 80/2000, pp. 11-17, November 2000

D. Bohn, J.E. Roy-Aikins:
On Appraising Alternative Power Plant Investment Proposals, Part 1: The Economic Model. ImechE - Journal of Power and Energy, Part A, Vol. 214, Number 6, pp. 541-551, 2000

D. Bohn, J.E. Roy-Aikins:
On Appraising Alternative Power Plant Investment Proposals, Part 2: Application. ImechE - Journal of Power and Energy, Part A, Vol. 214, Number 6, pp. 553-563, 2000

D. Bohn, N. Moritz:
Influence of Blowing Ratio on the Thermal Load of Transpiration Cooled Flat Plates 2nd International Symposium on Fluid Machinery and Fluid Engineering, Beijing, China, October 2000

D. Bohn, J. Ren:
Numerical Research on the Heterogeneous Condensation in a Nozzle Guide Vane of a LP-Steam Turbine 2nd International Symposium on Fluid Machinery and Fluid Engineering, Beijing, China, October 2000

D. Bohn, N. Moritz:
Hocheffiziente Kühltechnologien: Stand der Technik und Potenziale VDI-GET Tagung "Gasturbinen für kombinierte Gas-Dampfturbinenanlagen", VDI-Berichte 1566, S. 115 - 124, Essen, Deutschland, September 2000

D. Bohn, I. Balkowski, H. Kerpicci, D. v. Nordheim, J. Saß:
Experimental and Numerical Investigation of the Influence of Higher Steam Properties on Corrosion, Cooling and Reliability of Steam Turbines and Valves VGB-ESCOM Int. Materials Conf., pp. 1-8, Pretoria, South Africa, September 2000

D. Bohn, J. Lepers:
Simulation of Premixed Combustion in Highly Turbulent Flows: Comparison of a Joint - PDF and an Eddy-Break-Up-Model ICTAM 2000, Chicago, USA, September 2000

D. Bohn, H. Kerpicci, J. Ren:
Comparison of Homogeneous and Heterogeneous Condensation in a Nozzle Guide Vane of a LP-Steam Turbine 5th Int. Symposium on Heat Transfer, pp. 1-6, Beijing, China, August 2000

D. Bohn, J. Lepers, N. Sürken:
Einsatz von Prozessberechnungsprogrammen zur Optimierung fortschrittlicher Dampfkraftprozesse Chemie Ingenieur Technik, S. 683-687, Juli 2000

D. Bohn, N. Moritz:
Influence of Hole Shaping of Staggered Multi-Hole Configurations on Cooling Film Development 34th Thermophysics Conference, AIAA 2000-2579, pp. 1-10, Denver, USA, June 2000

D. Bohn, J. Lepers, N. Sürken, U. Krüger:
Kopplung von Mikrogasturbinen und Brennstoffzellen - Potenziale für die stationäre Stromerzeugung BWK Bd. 52 (2000) Nr. 5, S. 48-51, Mai 2000

D. Bohn, N. Sürken:
Investigation of Unsteady Flow Phenomena related to Hot Gas Ingestion in Gas Turbines North American STAR-CD Users Conference, Troy, Michigan, USA, May 2000

U. Krüger, J. Hüren, S. Hoffmann, W. Krebs, P. Flohr, D. Bohn:
Prediction and Measurement of Thermoacoustic Improvements in Gas Turbines with Annular Combustion Systems ASME TURBO EXPO 2000, 2000-GT-95, Munich, Germany, May 2000

D. Bohn, I. Balkowski, D. von Nordheim, J. Saß:
Influence of High Pressure Water Injection on Sound Emission of Steam Valves ASME TURBO EXPO 2000, 2000-GT-567, Munich, Germany, May 2000

D. Bohn, J. Lepers:
Multi-Fuel-Utilization in Gas Turbines: Characteristics of Operation and Pollutant Emissions ASME TURBO EXPO 2000, Munich, Germany, May 2000

D. Bohn, K. Kusterer, N. Sürken, F. Kreitmeier:
Influence of Endwall Contouring in Axial Gaps on the Flow Field in a Four Stage Turbine ASME TURBO EXPO 2000, 2000-GT-472, Munich, Germany, May 2000

D. Bohn, B. Rudzinski, N. Sürken, W. Gärtner:
Experimental and Numerical Investigation on the Influence of Rotorblades on Hot Gas Ingestion into the Upstream Cavity of an Axial Turbine Stage ASME TURBO EXPO 2000, 2000-GT-284, Munich, Germany, May 2000

D. Bohn, G. Deutsch, B. Simon, C. Burkhardt:
Flow Visualisation in an Rotation Cavity with Axial Throughflow ASME TURBO EXPO 2000, 2000-GT-280, Munich, Germany, May 2000

D. Bohn, H. Funke, T. Heuer, J. Bütikofer:
Numerical and Experimental Investigations of the Influence of Different Swirl-Ratios on the Temperature Streak Development in a 4-Stage Turbine ASME TURBO EXPO 2000, 2000-GT-250, Munich, Germany, May 2000

D. Bohn, J. Lepers:
Numerical Simulation of Swirl-Stabilized Premixed Flames with a Turbulent Combustion Model based on a Systematically Reduced 6-Step Reacton Mechanism ASME TURBO EXPO 2000, 2000-GT-143, Munich, Germany, May 2000

D. Bohn, K. Kusterer:
Aerothermal Investigations of Mixing Flow Phenomena in Case of Radially Inclined Ejection Holes at the Leading Edge ASME Journal of Turbomachinery, Vol. 122, pp. 334-339, April 2000(Revised Version of 99-GT-198)

D. Bohn, N. Moritz, U. Krüger, K. Kusterer:
Numerical Analysis of Streamwise and Lateral Ejection of Cooling Fluid at the Leading Edge of a Turbine Cascade ISROMAC-8, Honolulu, Hawaii, March 2000

D. Bohn, H. Kerpicci:
Lagrangian / Eulerian Calculation Approach in the Computation of Homogeneous Condensation in a Nozzle Guide Vane of a LP-Steam Turbine ISROMAC-8, Honolulu, Hawaii, March 2000

D. Bohn, T. Heuer:
Numerical Conjugate Flow and Heat Transfer Investigation of a Transonic Convection-Cooled Turbine Guide Vane with Stress-Adapted Thicknesses of Different Thermal Barrier Coatings AIAA paper 2000-1034, pp. 1-10, Reno, USA, January 2000

1999

D. Bohn, U. Krüger, K. Kusterer:
Erhöhung der Lebensdauer und Zuverlässigkeit von hochbelasteten Kraftwerkskomponenten durch gekoppelte Berechnung von Strömung und Wärmeleistung VGB-Fachtagung "Gasturbinen und Gasturbinenbetrieb", S. 1 - 12, Essen, Deutschland, November 1999

D. Bohn, V. Becker, J. Kortmann:
Numerical Conjugate Flow and Heat Transfer Investigation of a Transonic Convection-Cooled Turbine Guide Vane with Different Thermal Barrier Coatings IGTC '99, pp. 1 -7, Kobe, Japan, November 1999

D. Bohn, K. Kusterer:
Influence of Endwall Phenomena on Leading Edge Ejection IGTC '99, pp. 1-8, Kobe, Japan, November 1999

D. Bohn, J. Lepers, N. Sürken:
Vielparametrige Optimierung fortschrittlicher Kraftwerksprozesse mit Prozessberechnungsprogrammen VDI-Berichte 1495, S. 551 - 560, VDI-GET Tagung "Entwicklungslinien in der Energie- und Kraftwerkstechnik", Essen, Deutschland, September 1999

D. Bohn, V. Becker, J. Kortmann:
Numerical 3-D Conjugate Flow and Heat Transfer Investigation of a Transonic Convection-Cooled Thermal Barrier Coated Turbine Guide Vane ISABE '99, Florence, Italy, September 1999

D. Bohn, K. Kusterer:
Influence of Blowing Ratio on Cooling Efficiency of Lateral Leading Edge Ejection ISABE '99, Florence, Italy, September 1999

D. Bohn, K. Kusterer, M. Lamping:
Experimental and Numerical Analysis of Secondary Flow Interactions in a Four-Stage Test Turbine ICET '99, Beijing, China, August 1999

D. Bohn, H. Kerpicci:
Nucleation of Droplets and Homogeneous Cendensation in a Nozzle Guide Vane of a LP-Steam Turbine ICET '99, Beijing, China, August 1999

D. Bohn, H. Funke, J. Gier:
Numerical and Experimental Investigations on the Flow in a 4-Stage Turbine with Special Focus on the Development of a Radial Temperature Streak ASME TURBO EXPO '99, 99-GT-27, Indianapolis, USA, June 1999

D. Bohn, K. Kusterer:
Aerothermal Investigations of Mixing Flow Phenomena in Case of Radially Inclined Ejection Holes at the Leading Edge ASME TURBO EXPO ' 99, 99-GT-198, Indianapolis, USA, June 1999

D. Bohn, V. Becker, A. Rungen:
Experimental and Numerical Conjugate Flow and Heat Transfer Investigation of the Influence of Density Ratio and Blowing Ratio on the Film-Cooling Efficiency of a First Stage Turbine Guide Vane ASME TURBO EXPO '99, 99-GT-199, Indianapolis, USA, June 1999

D. Bohn, V. Becker, K. Kusterer, Y. Otsuki, T. Sugimoto, R. Tanaka:
3-D International Flow and Conjugate Calculations of a Convective Cooled Turbine Blade with Serpentine-Shaped and Ribbed Channels ASME TURBO EXPO '99, 99-GT-220, Indianapolis, USA, June 1999

D. Bohn, B. Rudzinski, N. Sürken, W. Gärtner:
Influence of Rim Seal Geometry on Hot Gas Ingestion into the Upstream Cavity of an Axial Turbine Stage ASME TURBO EXPO '99, 99-GT-248, Indianapolis, USA, June 1999

D. Bohn, J. Lepers:
Numerical Simulation of Turbulent Premixed Combustion Using a Joint-PDF Approach Based on a Systematically Reduced Multi-Step Reaction Mechanism ASME TURBO EXPO '99, 99-GT-272, Indianapolis, USA, June 1999

U. Krüger, J. Hüren, S. Hoffmann, W. Krebs, D. Bohn:
Combustion driven oscillations - Numerical prediction of dynamic behavior of gas turbine flames AIAA/CEAS 5th Aeroacoustics Conference and Exh., p. 742-752, Bellevue, USA, May 1999

D. Bohn, G. Deutsch, B. Simon, C. Burkhardt:
Visualization of Flow Phenomena in Rotating Cavities With Axial Throughflow and Comparison with Numerical Results PSFVIP-2, Honolulu, Hawaii, May 1999

D. Bohn:
Die Gasturbine - eine erfolgreiche Technologie Nr. 19 der ASUE-Schriftenreihe, S. 4 -1 4, Turbo-KWK '99-Kraft-Wärme-Kopplung mit Gasturbinen, Int. ASUE-Fachtagung, Köln, Deutschland, März 1999

D. Bohn:
Das Entwicklungspotential der Gasturbinen ist noch lange nicht ausgeschöpft Nr. 19 der ASUE-Schriftenreihe, S.167-173, Turbo-KWK '99-Kraft-Wärme-Kopplung mit Gasturbinen, Int. ASUE-Fachtagung, Köln, Deutschland, März 1999

D. Bohn, J. Lepers:
Industrielle Gasturbinenkraftwerke: Einsatz von Wasser und Wasserdampf zur Leistungsregelung und Leistungssteigerung VDI-Fachtagung Betriebliches Energiemanagement, VDI-Berichte 1462, S. 331 - 340, Cottbus, Deutschland, März 1999

D. Bohn, K. Kusterer, M. Lamping:
Experimental and Numerical Investigation on the Influence of the Tip Leakage Flow on the Radial Flow Field in a Four Stage Turbine 3rd ECT, C557/148/99, pp. 447 - 488, London, Great Britain, March 1999

D. Bohn, H. Funke, J. Gier:
Temperature Jet Development in a Cross-Over Channel 3rd ECT, C557/158/99, pp. 671 - 679, London, Great Britain, March 1999

G. Matouschek:
Berechnung laminarer und turbulenter Vormischflammen niederkalorischer Brenngase Dissertation, RWTH Aachen, Deutschland, Januar 1999

D. Bohn, K. Kusterer:
Blowing Ratio Influence on Jet Mixing Flow Phenomena at the Leading Edge AIAA, paper 99-0670, Reno, USA, January 1999

1998

C. Köster:
Brennstoff-Wassereinspritzung in Gasturbinenbrennkammern: Berechnung der Tropfenverdunstung und Gemischbildung unter besonderer Modellierung der Eigenschaften industriell eingesetzter Gasturbinenbrennstoffe Dissertation, RWTH Aachen, Deutschland, Dezember 1998

U. Krüger:
Selbsterregte Brennkammerschwingungen: Experimentelle und numerische Untersuchungen zur Flammendynamik Dissertation, RWTH Aachen, Deutschland, November 1998

D. Bohn, M. Ziemann, K. Kusterer:
Steam and Gas Turbines - Increase in Power Reliability Advancement in Mechanical Engineering, pp. 84 - 91, Sarajevo, Bosnia-Herzegowina, October 1998

D. Bohn:
State-of-the-Art and New Development in Numerical Simulation for Compressors and Turbines Invited Lecture of the 3rd ICPF, pp. 55 - 66, Beijing, China, October 1998

D. Bohn, V. Becker, A. Rungen:
Experimental Investigation and Conjugate Flow and Heat Transfer Analysis of the Influence of the Density Ratio on a Showerhead-Cooled Turbine Guide Vane 3rd ICPF, pp. 462 - 473, Beijing, China, October 1998

D. Bohn, V. Becker, K. Kusterer:
3-D Numerical Investigation of Secondary Flow Phenomena in the Cooling Jets in Case of a Leading Edge Ejection and their Influence on the Thermal Load ECCOMAS, Proceedings of the 4th European CFD Conference, Vol. 12, Part 1, pp. 457 - 462, Athens, Greece, September 1998

D. Bohn, K. Kusterer:
3-D Numerical Aerodynamic and Combined Heat Transfer Analysis of a Turbine Guide Vane with Showerhead Ejection Heat Transfer 1998, Proceedings of 11th IHTC, Vol. 4, pp. 313 - 318, Kyongju, Korea, August 1998

D. Bohn, J. Roy-Aikins:
A Comparison of the Economic Performances of Hybrid PFBC and Conventional Combined-Cycle Plants International Joint Power Generation Conference, Baltimore, USA, August 1998

D. Bohn, C. Drexler, J. Gier:
Ausgleich der Strömung bei asymmetrischer Zuströmung zu einer mehrstufigen Turbine und Auswirkungen auf die Strömungsverhältnisse MTZ Motortechnische Zeitschrift 59, S. 476 - 483 und MTZ wordwide, pp. 42 - 45, Juli/August 1998

D. Bohn, T.S. Kim:
A Comparative Throughflow Analysis of Axial Flow Turbines Proceedings of the Institution of Mechanical Engineers Vol. 212, Part A, Journal of Power and Energy, pp. 141 - 145, 1998

L. Simon:
Ein Beitrag zur Berechnung der reibungsbehafteten Strömung durch mehrstufige Axialverdichter Dissertation, RWTH Aachen, Deutschland, June 1998

V. Wagner:
Beitrag zur Minderung der Geräuschentstehung und -abstrahlung bei Drosselarmaturen und Dampfumformventilen Dissertation, RWTH Aachen, Deutschland, June 1998

D. Bohn, V. Becker, K. Kusterer, A. Rungen:
Experimental and Numerical Conjugate Investigation of the Blowing Ratio Influence on the Shower Head Cooling Efficiency ASME TURBO EXPO '98, 98-GT-85, Stockholm, Sweden, June 1998

D. Bohn, V. Becker:
A Conjugate 3D-Flow and Heat Transfer Analysis of a Thermal Barrier Cooled Turbine Guide Vane ASME TURBO EXPO '98, 98-GT-89, Stockholm, Sweden, June 1998

D. Bohn, G. Matouschek, U. Krüger, S. Hoffmann, W. Krebs, H. Judith:
Influence of Turbulence on the Dynamic Behavior of Premixed Flames ASME TURBO EXPO '98, 98-GT-323, Stockholm, Sweden, June 1998

D. Bohn, J. Gier:
The Effect of Turbulence on the Heat Transfer in Closed Gas-filled Rotating Annuli for Different Rayleigh Numbers ASME TURBO EXPO '98, 98-GT-542, Stockholm, Sweden, June 1998

G. Fitzky:
Charakterisierung des Zerstäubungsverhaltens realer Kraftstoffe im dieselmotorischen Einspritzstrahl bei hohen Drücken und Temperaturen mittels der Streulichtmeßtechnik Dissertation, RWTH Aachen, Deutschland, May 1998

D. Bohn, V. Becker, T. Heuer, K. Kusterer:
Calculation of the Thermal Load on a Cooled Turbine Vane: A Comparison of the Conventional and Conjugate Approach SCEMMTE, PP. 317 - 322, Gent, Belgium, May 1998

D. Bohn, K. Holzenthal, C. Köster:
Investigations in the Mixing Process of Fuel and Water in the Flame Tube of a Gasturbine IMECHE, London, Great Britain, April 1998

D. Bohn, U. Krüger, J. Lepers:
Research and Development Activities of Combustion Technology for Advanced Gasturbines 8th NCCST, Tainan, Taiwan, March 1998

D. Bohn, I. Balkowski, J. Saß:
Labyrinthdrosselung - Lärmarme Druckminderung in Ventilen VGB-Konferenz Forschung für die Kraftwerkstechnik 1998, Essen, Deutschland, Februar 1998

D. Bohn, U. Krüger, G. Lang:
Fortschrittliche Methode zur Analyse von Abgaskanälen hinter Gasturbinen unter besonderer Berücksichtigung der inhomogenen Druck- und Temperaturbelastung aus der Strömung VGB-Konferenz Forschung für die Kraftwerkstechnik 1998, Essen, Deutschland, Februar 1998

D. Bohn, J. Gier und M. Ziemann:
Einfluß der Überströmgehäusegeometrie auf den Strömungsausgleich bei Turbinen mit Teilbeaufschlagung VGB KraftwerksTechnik 2/98, S. 62 - 68, Deutschland, Februar 1998

D. Bohn, V. Becker, K. Grüttner:
Temperature Reduction by Thermal Barrier Coatings on a Convection-Cooled Turbine Guide Vane: A Conjugate Flow and Heat Transfer Analysis Proc. of the 7th ISROMAC conference, pp. 1673 - 1682, Honolulu, Hawaii, February 1998

D. Bohn, V. Becker, C. Köster:
Numerical Investigations into the Effects of Fuel and Water Injection on the Impingement of Drops on Parts in a Gas Turbine Combustion Chamber Proc. of the 7th ISROMAC conference, pp. 1408 - 1417, Honolulu, Hawaii, February 1998

H.J. Wüllenweber:
Modellierung von Kraftweksprozessen unter Berücksichtigung des Teillastverhaltens der Anlagenkomponenten Dissertation, RWTH Aachen, Deutschland, Februar 1998

1997

D. Bohn, T. Heuer, H. Schönenborn, H. Wilhelmi:
Combined Numerical Simulation of Chemically Reacting Flow And Heat Transfer in Solid Walls ISTP-10, pp. 583 - 588, Kyoto, Japan, November 1997

D. Bohn, V. Becker, K. Kusterer and Y. Otsuki, T. Sugimoto, R. Tanaka:
Conjugate Flow and Heat Transfer Analysis of the Cooling Efficiency of a Convection-Cooled Turbine blade with Serpentine-Shaped Channels ISTP-10, pp. 43 - 48, Kyoto, Japan, November 1997

D. Bohn, U. Damm, U. Krüger, G. Lang:
Fatigue Life Prediction of Gas Turbine Exhaust Systems Using Advanced Numerical Methods Proceedings of the 1997 International Joint Power Generation Conference, pp. 27 - 33, Denver, USA, November 1997

D. Bohn, V. Becker, K. Kusterer, A. Rungen:
Improving the Film Cooling Coverage of the Leading Edge of a First Stage Turbine Guide Vane: Experimental and Theoretical Investigations of two Different Cooling Designs 3rd ICFDMA, pp. 16 - 21, Beijing, China, October 1997

D. Bohn, Y. Li:
Numerical Investigation of the Dynamic Effects on the Probe Measurements of Unsteady Flow 3rd ICFDMA, pp. 283 - 288, Beijing, China, October 1997

D. Bohn, V. Becker, K. Kusterer:
Auslegung der Filmkühlung moderner Beschaufelungen: Einsatz von experimentellen Methoden und Strömungssimulationen mit gekoppelter Wärmeübertragungsberechnung im Design-Prozess DGLR-JT97-154, S. 273 - 282, München, Deutschland, Oktober 1997

D. Bohn, T. Heuer, K. Kusterer:
3-D Conjugate Flow and Heat Transfer Investigations of a Film-cooled Turbine Guide Vane with Different Blowing Ratios ASME-ASIA 1997, 97-AA-5, Singapore, October 1997

D. Bohn, T. Heuer, K. Kusterer, G. Lang:
Application of a Conjugate Fluid Flow and Heat Transfer Method in the Thermal Design Process of a Convection-cooled Turbine Nozzle Vane ASME-ASIA 1997, 97-AA-6, Singapore, October 1997

D. Bohn, V. Becker, J. Gier, K. Kusterer and Y. Otsuki, T. Sugimoto, R. Tanaka:
The Influence of Rotation on the Internal Flow of a Cooled Turbine Blade with Serpentine-shaped Cooling Channels ASME-ASIA 1997, 97-AA-115, ASME-ASIA 1997, Singapore, October 1997

D. Bohn, T. Heuer, K. Kusterer:
3-D Parametric Study of a Turbine Vane with Leading Edge Ejection: Investigation of Cooling Flow Phenomena and Cooling Efficiency at the Leading Edge Eurotherm, Santorini, Greece, September 1997

D. Bohn, J. Gier, K. Holzenthal, K. Kusterer:
Comparison of Characteristic Flow Properties in a Turbine Nozzle for Turbulence Models of Different Complexity Proceedings of the 3rd Summer Conference 'Numerical Modelling in Continuum Mechanics', pp. 159 - 169, Prague, Czech Republic, September 1997

D. Bohn, V. Becker, K. Kusterer and S. Ardey, L. Fottner:
The Influence of Slot Ejection and Showerhead Ejection on the 3-D Flow Field of a Film-cooled Turbine Blade under Consideration of Side Wall Effects ISABE 97-7162, pp. 1203 - 1213, Chattanooga, USA, September 1997

D. Bohn, U. Krüger, G. Matouschek:
Theoretische Vorhersage des Brennkammerbrummens unter besonderer Berücksichtigung der Flammendynamik 18. Deutsch-Niederländischer Flammentag, Delft, Niederlande, VDI-Berichte 1313, S. 325 - 331, September 1997

D. Bohn, G. Matouschek:
Numerical Combustion Simulation and Pollutant Prediction of Low- to Medium-Btu Gases in Premixed Flames using Systematically Reduced Multi-Step Reaction Mechanism 4th Int. Conference on Technologies and Combustion for a Clean Environment, Lisbon, Portugal, July 1997

D. Bohn, V. Becker, A. Rungen:
Experimental and Numerical Conjugate Flow and Heat Transfer Investigation of Shower-head Cooled Turbine Guide Vane ASME TURBO EXPO '97, 97-GT-15, Orlando, USA, June 1997

D. Bohn, V. Becker, K. Kusterer:
3-D Conjugate Flow and Heat Transfer Investigations of a Film-cooled Turbine Guide Vane at Different Operationg Conditions ASME TURBO EXPO '97, 97-GT-23, Orlando, USA, June 1997

R. Emunds, I.K. Jennions, D. Bohn, J. Gier:
The Computation of Adjacent Blade-Row Effects in a 1.5 Stage Axial Flow Turbine ASME TURBO EXPO '97, 97-GT-81, Orlando, USA, June 1997

D. Bohn, J. Gier:
The Effect of turbulence on the Heat Transfer in Closed Gas-Filled Rotating Anulli ASME TURBO EXPO '97, 97-GT-242, Orlando, USA, June 1997

D. Bohn, Y. Li, G. Matouschek, U. Krüger:
Numerical Prediction of the Dynamic Behaviour of Premixed Flames Using Systematically Reduced Multi-Step Reaction Mechanisms ASME TURBO EXPO '97, 97-GT-265, Orlando, USA, June 1997

D. Bohn, K. Holzenthal:
Measurement of the Wetness Fraction and Droplet Size Distribution in a Condensation Turbine 2nd European Conf. on Turbomachinery, Fluid Dynamics and Thermodynamics, pp. 55 - 63, Antwerp, Belgium, March 1997

D. Bohn, J. Lepers, G. Matouschek:
Energetische Nutzung von Biomasse, Biogasen und industriellen Abfallgasen in Gasturbinen VDI-Tagung Fortschrittliche Energiewandlung und -anwendung, VDI Berichte 1321, S. 849 - 864, Bochum, Deutschland, März 1997

D. Bohn, J. Gier:
Experimental and Theoretical Investigations on the Flow Equalization in the Cross Over Channel and the Multistage Part of a Control Stage Turbine VI Latin American Turbomachinery Congress & Exposition, pp. 217 - 226, Mexico-City, Mexico, February 1997

D. Bohn, J.E.A. Roy-Aikins:
Part-Load Performance of a Novel Pressurised Fluidised Bed Combustor Hybrid Combined-Cycle Plant VI Latin American Turbomachinery Congress & Exposition, pp. 145 - 154, Mexico-City, Mexico, February 1997

D. Bohn, V. Becker, K. Kusterer:
Der Einsatz eines neuartigen Simulationsverfahrens zur kombinierten Berechnung von Strömung und Wärmeübergangsvorgängen im Design-Prozeß von gekühlten Gasturbinenschaufeln GVC-Fachausschuss-Sitzung "Wärme-und Stoffübertragung, Würzburg, Deutschland, Februar 1997

R. Emunds:
Numerische Simulation der dreidimensionalen, reibungsbehafteten und turbulenten Strömung in Axialturbinen auf der Basis statistischer Turbulenzmodelle Dissertation, RWTH Aachen, Deutschland, Februar 1997

B. Bonhoff:
Berechnung der dreidimensionalen Strömung und des Wärmeübergangs an filmgekühlten Turbinenschaufeln mit Wärmeleitung in den Wänden Dissertation, RWTH Aachen, Deutschland, Februar 1997

H. Schönenborn:
Gekoppelte Berechnung sowie Modellierung der Strömungs- und Verbrennungsvorgänge mit Wärmeübergang an einer filmgekühlten Raketendüse Dissertation, RWTH Aachen, Deutschland, Februar 1997

R. Faatz:
Modellierung von Kombikraftwerken mit Druckwirbelschicht und vor- sowie nachgeschalteten Gasturbinen bei Voll- und Teillast VDI-Fortschrittberichte 374, Dissertation, RWTH Aachen, Deutschland, Februar 1997

1996

D. Bohn, V. Becker, A. Rungen:
Analysis of the Location of the Stagnation Line on a Turbine Guide Vane with Shower-head Cooling: Experimental and Theoretical Investigations, Int. Congress on Fluid Dynamics and Propulsion, ASME-International, pp. 127 - 136, Cairo, Egypt, December 1996

D. Bohn, K. Holzenthal, C. Köster:
Experimental and Numerical Flow Investigations in a Gas Turbine Combuster Int. Congress on Fluid Dynamics and Propulsion, ASME-International, pp. 108 - 117, Cairo, Egypt, December 1996

D. Bohn, J. Gier, M. Ziemann:
Einfluß der Überströmungsgehäusegeometrie auf den Strömungsausgleich bei Turbinen und Teilbeaufschlagung VGB-Fachtagung "Dampfturbinen und Dampfturbinenbetrieb 1996", Essen, Deutschland, November 1996

D. Bohn, V. Becker, K. Behnke:
Experimental and Numerical 3-D Investigations of the Flow Field behind the Trailing Edge of a Cooled Turbine Guide Vane ASME TURBO ASIA, Jakarta, Indonesia, November 1996

D. Bohn, H. Schönenborn:
3-D Coupled Aerodynamic and Thermal Numerical Analysis of a Turbine Nozzle Guide Vane 4th ISHT-conference, Beijing, China, October 1996

D. Bohn, V. Becker:
Experimental and Numerical Investigations of the Flow Field at the Leading Edge of a Film-Cooled Turbine Guide Vane ISFMFE-conference, pp. 2 - 8, Beijing, China, September 1996

D. Bohn, K. Kusterer, H. Schönenborn:
3-D Numerical Simulation of a Film-cooled and Convection Cooled Turbine Blade with non-adiabatic Walls ISFMFE-conference, Beijing, China, Septemper 1996

D. Bohn, H. Schönenborn:
3-D Coupled Aerodynamic and Thermal Numerical Analysis of a Turbine Nozzle Guide Vane ICTAM-conference, Kyoto, Japan, August 1996

D. Bohn, G. Matouschek:
Numerical Combustion Simulations of Biogases in Premixed Flames Proceeding of the ECOS conference, pp. 675 - 681, Stockholm, Sweden, June 1996

D. Bohn, G. Deutsch, U. Krüger:
Numerical Prediction of the Dynamic Behavior of Turbulent Diffusion Flames ASME 96-GT-133, Birmingham, Great Britain, June 1996

D. Bohn, K. Kusterer, H. Schönenborn:
3-D Numerical Simulation of the Flow through a Turbine Blade Cascade with Cooling Injection at the Leading Edge ASME 96-GT-150, Birmingham, Great Britain, June 1996

D. Bohn, W. Keppel:
Gasturbinen und Kombikraftwerke - Anforderungen an Werkstoffe und Werkstoffentwicklung heute und morgen Werkstoffwoche Stuttgart, Deutschland, Mai 1996

C. Drexler:
Strömungsvorgänge und Verlustanteile in ungleichförmig beaufschlagten Turbinenstufen Dissertation, RWTH Aachen, Deutschland, Mai 1996

D. Bohn, V. Becker, K. Behnke, H. Schönenborn:
A Combined, Experimental and 2-D Computational Study on Trailing Edge Ejection with Different Cooling Gases ISROMAC-6, Honolulu, Hawaii, February 1996

D. Bohn, H. Schönenborn, H. Wilhelmi:
Numerical Simulation of Supersonic, Chemically Reacting Flow Using an Implicit Finite-Volume Method AIAA paper 96-0347, Reno, USA, January 1996, Journal of Thermophysics and Heat Transfer, Vol. 11, No. 1, January-March 1997

1995

D. Bohn, M. Ziemann, C. Chen:
Rechnergestütztes Monitoringsystem zur optimalen Betriebsführung und zustandsorientierten Instandhaltung industrieller Gasturbinen VDI-Tagung, Dresden, Deutschland, Dezember 1995 & VDI-Berichte 1210, 1995

D. Bohn, U. Krüger, G. Matuschek:
Numerical Simulation of Premixed Flame Combustion Using Systematically Reduced Reaction Mechanisms IGTC-040, pp. II-275 - II-282, Yokohama, Japan, October 1995

D. Bohn, B. Bonhoff, H. Schönenborn:
Combined Aerodynamic and Thermal Analysis of a High-pressure Turbine Nozzle Guide Vane IGTC-108, Yokohama, Japan, October 1995

D. Bohn, A. Witthohn:
Investigation of Concepts for Combined Cycles with PFBC 3rd International Symposium on Coal Combustion (3rd ISCC), pp. 1 - 8, Beijing, China, September 1995

D. Bohn, B. Bonhoff, H. Schönenborn, H. Wilhelmi:
Prediction of the Film-cooling Effectiveness in Gas Turbine Blades Using a Numerical Model for the Coupled Simulation of Fluid Flow and Diabatic Walls ISABE 95-7105, pp. 1150 - 1159, Melbourne, Australia, September 1995

D. Bohn, M. Ziemann, C. Chen:
Detection and Diagnosis of Deterioration of District Heating Power Plant Components by Numerical Simulation 5th Int. Symp. on automation of District Heating Systems, ESPOO, Otaniemi, Finnland, August 1995

D. Bohn, B. Bonhoff, G. Lang, H. Schönenborn:
Determination of Thermal Stress and Strain Based on a Combined Aerodynamic and Thermal Analysis for a Turbine Nozzle Guide Vane ASME-COGEN Turbo Power, 95-CTP-089, Wien , Austria, August 1995

D. Bohn, H. Schönenborn:
Kombinierte aerodynamische und thermische Simulation einer konvektionsgekühlten Gasturbinenschaufel DLRG, Berlin, Deutschland, Juli 1995

D. Bohn, V. Becker, K. Behnke, B. Bonhoff:
Experimental and Numerical Investigations of the Aerodynamical Effects of Coolant Injection through the Trailing Edge of a Guide Vane ASME-Paper 95-GT-26, Houston, USA, June 1995

D. Bohn, R. Emunds:
A Navier Stokes Computer Code for Theoretical Investigations on the Applicability of Various Turbulence Models for Flow Prediction along Turbine Blades ASME-Paper 95-GT-90, Houston, USA, June 1995

D. Bohn, U. Krüger, K. Nitsche:
Numerical Investigations of Flow Pattern and Heat Transfer in a Rotating Cavity between Two Discs of the Compressor of a Siemens KWU V84.3 Gas Turbine ASME-Paper 95-GT-144, Houston, USA, June 1995

D. Bohn, E. Johann, U. Krüger:
Experimental and Numerical Investigations of Aerodynamic Aspects of Hot gas Ingestion in Rotor-Stator-Systems with Superimposed Cooling Mass Flow ASME-Paper 95-GT-143, Houston, USA, June 1995

D. Bohn, V. Becker, R. Röper:
Strömungsverluste verringern Zeitschrift Chemische Industrie, Nr. 5, S. 33 - 34, Mai 1995

D. Bohn, R. Emunds, J. Gier:
Numerical Investigations on the 3-D Viscid Flow of an Axial Turbine Nozzle Proceedings of the 1995 Simulation Multiconference (SMC), Phoenix, USA, April 1995

D. Bohn, R. Faatz, A. Witthohn:
Vergleich von Konzepten für Kombiprozesse mit Druckwirbelschichtfeuerung VDI-GET "Fortschrittliche Energiewandlung und -anwendung", VDI-Berichte 1182, S. 1 – 15, Essen, Deutschland, März 1995

D. Bohn, B. Bonhoff, H. Schönenborn, H. Wilhelmi:
Validation of a Numerical Model for the Coupled Simulation of Fluid Flow and Diabatic Walls with Application to Film-cooled Turbine Blades VDI-Berichte 1186, S. 259 - 272, 1995

D. Bohn, J. Funcke, Ch. Köster, P. Engler, F. Schmitt:
Kontinuierliche Brennkammerüberwachung mit einem gekühlten Endoskop DGLR, ILR295, Berlin, Deutschland, März 1995

E. Deuker:
Ein Beitrag zur Vorausberechnung des akustischen stabilitätsverhaltens von Gasturbinen-Brennkammern mittels theoretischer und experimenteller Analyse von Brennkammerschwingungen VDI-Fortschrittberichte 317, Dissertation, RWTH Aachen, Deutschland 1995

1994

D. Bohn:
Stand der Technik und Entwicklungsperspektiven in der Kraft-Wärme-Kopplung Kraft-Wärme-Kopplung - Energie sparen, Umwelt schonen Int. ASUE-Fachtagung, Hannover, Deutschland, Dezember 1994

D. Bohn, K. Holzenthal, C. Köster:
Verbesserung der Gemischbildung bei der Wassereinspritzung in Gasturbinen GVC-Fachausschuss-Sitzung "Thermodynamik" und VDI-GET "Thermodynamik-Kolloquium 1994", Universität Kaiserslautern, Deutschland, Oktober 1994

D. Bohn, Y.H. Li, T. Schnittfeld:
A Numerical Investigation of the Flow around Probe Heads at Different Reynolds Numbers and Mach Numbers 2nd Int. Conference on Fluid Dynamic Measurement and its Applications, Beijing, China, Oktober 1994

D. Bohn, M. Janssen, Th. Schnittfeld:
Stationäre und instationäre Belastungen von Verdichter- und Turbinenschaufeln in einer Hochtemperaturgasturbine vom Typ V84.3 VDI-Berichte 1109, S. 363 - 378, 1994

D. Bohn, B. Bonhoff:
Berechnung der Kühl- und Störwirkung eines filmgekühlten transsonisch durchströmten Turbinengitters mit diabaten Wänden VDI-Berichte 1109, S. 261 - 275, 1994

D. Bohn, B. Bonhoff, R. Emunds, C. Köster, U. Krüger:
Überblick über die Möglichkeiten der numerischen Berechnung von Strömungen und Strömungsverlusten in Turbomaschinen unter besonderer Berücksichtigung von Turbulenzmodellen VDI-Berichte 1109, S. 1 - 28, 1994

D. Bohn, U. Krüger:
Experimental and Numerical Investigations on the Dynamic Behaviour of Flames Typical Used in Gas Turbine Combustors Proceedings of the 2nd Summer conference 'Numerical Modelling in Continuum Mechanics', pp. 32 - 41, Prague, Czech Republic, August 1994

W. Gärtner:
Zur Berechnung der Strömung um eine rotierende Turbomaschinenscheibe im stehenden Gehäuse Dissertation, RWTH Aachen, Deutschland, Juli 1994

V. Gorzelitz:
Experimentelle Untersuchung des Wärmetransportes in geschlossenen kreisringförmigen rotierenden Hohlräumen Dissertation, RWTH Aachen, Deutschland, Juli 1994

D. Bohn, R. Emunds, V. Gorzelitz, U. Krüger:
Experimental and Theoretical Investigations of Heat Transfer in Closed Gas-filled Rotating Annuli II ASME 94-GT-175, pp. 1 - 11, Den Haag, Netherlands, June 1994

P. Reimer:
Durchfluß und Verluste in Dampfturbinenregelstufen bei Teilbeaufschlagung und gedrosselten Regelventilen Dissertation, RWTH Aachen, Deutschland, Mai 1994

D. Bohn, B. Bonhoff, C. Köster, R. Emunds, U. Krüger, H. Schönenborn:
Numerische Berechnungen von Strömungen und Strömungsverlusten in Turbomaschinen und Turbomaschinenkomponenten Alma Mater Aquensis, S. 119 - 133, 1994

1993

D. Bohn, C. Drexler, R. Emunds:
Experimental and Theoretical Investigations into Nonuniformal Flow of a Partial Admission Turbine with a Multistage Blading VGB-Kraftwerkstechnik, S. 601 - 608, 1993

D. Bohn, C. Drexler, R. Emunds:
Experimentelle und theoretische Untersuchung der ungleichförmigen Anströmung einer teilbeaufschlagten Turbine mit nachfolgender mehrstufiger Beschaufelung VGB-Kraftwerkstechnik, S. 696 - 704, 1993

D. Bohn, T. Hansmann, H. Wilhelmi:
An Experimental Investigation of the Film-Cooling Process at High Temperatures and Velocities AIAA/DGLR, 5th Int. Aerospace Planes and Hypersonics Technologies Conf., Munich, Germany, Nov-Dec 1993

D. Bohn, G.H. Dibelius, R.U. Pitt, R. Faatz, G. Cerri, C. Salvini:
Optimizing a Pressurized Fluidized Bed Combustion Cycle with Gas Turbine Toping Cycle ASME-Paper 93-GT-390, Cincinnati, USA, May 1993

D. Bohn, E. Deuker, R. Emunds, V. Gorzelitz:
Experimental and Theoretical Investigations of Heat Transfer in Closed Gas-Filled Rotating Annuli ASME-Paper 93-GT-292, Cincinnati, USA, May 1993

D. Bohn, E. Deuker:
An Acoustical Model to Predict Combustion Driven Oscillations CIMAC, London, Great Britain, March 1993

F. Benzel:
Schallemission mehrstufiger gasdurchströmter Armaturen: Entstehung, Berechnung, Minimierung VDI-Fortschrittberichte 224, Dissertation, RWTH Aachen, Deutschland, März 1993

D. Bohn, R. Emunds, Z. Sucharski:
Numerical Simulation of the Influence of the Unsteady Influx of the Three-Dimensional, Viscous Flow through Turbomachines Notes on Numerical Fluid Mechanics, Volume 38, pp. 219 - 232, 1993

D. Bohn, F. Benzel, V. Wagner, J. Saß:
Geräuschminderung bei Drosselarmaturen Kraftwerk und Umwelt, S. 179 - 184, 1993

1992

D. Bohn, Th. Schnittfeld:
The dynamic response of capillary tubes for use in miniature pressure probes 11th Symposium on "Measuring Techniques for Transsonic and Supersonic Flow in Cascades an Turbomachines", Munich, Germany, September 1992

D. Bohn, V. Gorzelitz:
Experimental Investigations of Heat Transfer in a Gas Filled Rotating Annulus ISHT, Athens, Greece, August 1992

B. Wen:
Numerische Berechnung der Kühl- und Störwirkung von durch Lochreihen zugeführte Luft an Gasturbinenschaufeln Dissertation, RWTH Aachen, Deutschland, 1992

D. Bohn, G.H. Dibelius, R.U. Pitt, R. Faatz, G. Cerri, C. Salvini:
Study of Pressurized Fluidized bed Combustion Combined Cycles with Gas Turbine Topping Cycle ASME-Paper 92-GT-343, Cologne, Germany, June 1992

D. Bohn, G.H. Dibelius, Z. Sucharski:
Comparison Between Experiment and Prediction for a Subsonic Turbulent Separated Boundary Layer ASME-Paper 92-GT-154, Cologne, Germany, June 1992

D. Bohn, G.H. Dibelius, E. Deuker, R. Emunds:
Flow Pattern and Heat Transfer in a Closed Rotating Annulus ASME-Paper 92-GT-67, Cologne, Germany, June 1992

D. Bohn:
Indirekte kohlegefeuerte Gasturbine mit Keramikwärmetauscher BMFT "Neue Entwicklungen in der Kraftwerkstechnik", Bonn, Deutschland, März 1992

1991

D. Bohn, R.U. Pitt:
Kraft-Wärme-Kopplung in Deutschland mit Gasturbinen unter Einsatz von Ergas, Öl und Kohle Warmte - Kracht - Koppeling, Haus der Technik - Vestiging Maastricht, Niederlande, Dezember 1991

D. Bohn, G. Fitzky:
Untersuchungen zur Kraftsoffzerstäubung unter dieselmotorischen Bedingungen mittels Streulichtmeßtechnik Rostocker Schiffstechnik Symposium 1991, Rostock, Deutschland, Oktober 1991

D. Bohn, M. Ziemann, D. Bloemers, T. Zekorn:
Monitoring-Systeme auf PC-Basis VDI-Berichte 868, S. 39 - 51, 1991

D. Bohn, G. Dibelius, F. Benzel, J. Saß:
Lärmminderung bei Armaturen Sonderdruck aus Technische Überwachung Nr. 9, S. 173 - 179, August 1991

D. Bohn, V. Gorzelitz, M. Heinen:
Wärmeübertragung an rotierenden Bauteilen GVC-Fachausschuss "Wärme- und Stoffübertragung", Freudenstadt, Deutschland, April 1991

D. Bohn:
Einsatz der Hoch-Temperatur-Gasturbine in Kombination mit fortschrittlicher Kohletechnologie BMFT, Bonn, Deutschland, Januar 1991