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Proceedings Papers

Thermodynamic Potential of Aluminum Oxide Ceramic Matrix Composite Application in the 1st Stage Vanes of Industrial Gas Turbines

Dieter Bohn, Johannes Götte, Karsten Kusterer, Yiou Liu
Proc. ASME. GT2024, Volume 13: Heat Transfer: General Interest / Additive Manufacturing Impacts on Heat Transfer; Wind Energy, V013T13A039, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-128648
https://doi.org/10.1115/GT2024-128648
View Paper titled, Thermodynamic Potential of Aluminum Oxide Ceramic Matrix Composite Application in the 1st Stage Vanes of Industrial Gas Turbines
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Topics: Aluminum, Ceramic matrix composites, Composite materials, Cooling, Gas turbines, Industrial gases, Oxide ceramics, Thermodynamic potentials, Turbines, Cycles
Journal Articles

Numerical and Analytical Investigation of Heat Transfer Mechanisms and Flow Phenomena in an Intermediate Pressure Steam Turbine Blading During Startup

Dieter Bohn, Christian Betcher, Karsten Kusterer, Kristof Weidtmann
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2021, 143(2): 021019.
Paper No: GTP-20-1553
https://doi.org/10.1115/1.4049352
Published Online: February 1, 2021
View Article titled, Numerical and Analytical Investigation of Heat Transfer Mechanisms and Flow Phenomena in an Intermediate Pressure Steam Turbine Blading During Startup
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Topics: Flow (Dynamics), Heat transfer, Pressure, Heat, Blades, Fluids, Steam turbines, Simulation
Proceedings Papers

Numerical and Analytical Investigation of Heat Transfer Mechanisms and Flow Phenomena in an IP Steam Turbine Blading During Startup

Dieter Bohn, Christian Betcher, Karsten Kusterer, Kristof Weidtmann
Proc. ASME. GT2020, Volume 9: Oil and Gas Applications; Organic Rankine Cycle Power Systems; Steam Turbine, V009T23A021, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15537
https://doi.org/10.1115/GT2020-15537
View Paper titled, Numerical and Analytical Investigation of Heat Transfer Mechanisms and Flow Phenomena in an IP Steam Turbine Blading During Startup
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Topics: Flow (Dynamics), Heat, Heat transfer, Steam turbines
Proceedings Papers

Development of a Gas Turbine Concept for Electric Power Generation in a Commercial Hybrid Electric Aircraft

Michael Schneider, Jens Dickhoff, Karsten Kusterer, Wilfried Visser, Eike Stumpf, Jan-Philipp Hofmann, Dieter Bohn
Proc. ASME. GT2019, Volume 1: Aircraft Engine; Fans and Blowers; Marine; Honors and Awards, V001T01A028, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-92065
https://doi.org/10.1115/GT2019-92065
View Paper titled, Development of a Gas Turbine Concept for Electric Power Generation in a Commercial Hybrid Electric Aircraft
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Topics: Aircraft, Electric power generation, Engines, Gas turbines, Propulsion systems, Simulation
Proceedings Papers

CFD Simulations for Film Cooling Holes: Comparison Between Different Isotropic and Anisotropic Eddy Viscosity Models

Jens Dickhoff, Karsten Kusterer, Santhosh Kumar Bhaskar, Dieter Bohn
Proc. ASME. GT2018, Volume 5A: Heat Transfer, V05AT12A008, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75543
https://doi.org/10.1115/GT2018-75543
View Paper titled, CFD Simulations for Film Cooling Holes: Comparison Between Different Isotropic and Anisotropic Eddy Viscosity Models
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Topics: Anisotropy, Computational fluid dynamics, Eddies (Fluid dynamics), Engineering simulation, Film cooling, Simulation, Viscosity, Turbulence, Vortices, Computer simulation
Proceedings Papers

Automated Design Space Exploration of Advanced-Shaped Film Cooling Holes Using the SHERPA Algorithm

Karsten Kusterer, Jens Dickhoff, Noël T. Campana, Takao Sugimoto, Ryozo Tanaka, Masahide Kazari, Dieter Bohn
Proc. ASME. GT2016, Volume 5C: Heat Transfer, V05CT12A004, June 13–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-56194
https://doi.org/10.1115/GT2016-56194
View Paper titled, Automated Design Space Exploration of Advanced-Shaped Film Cooling Holes Using the SHERPA Algorithm
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Topics: Algorithms, Design, Film cooling, Cooling, Shapes, Cross-flow, Gas turbines, Geometry, Robustness, Vortices
Proceedings Papers

Conjugate Heat Transfer Analysis of a Blade Leading Edge Cooling Configuration Using Double Swirl Chambers

Karsten Kusterer, Peter Bühler, Gang Lin, Takao Sugimoto, Dieter Bohn, Ryozo Tanaka, Masahide Kazari
Proc. ASME. GT2016, Volume 5B: Heat Transfer, V05BT11A010, June 13–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-56937
https://doi.org/10.1115/GT2016-56937
View Paper titled, Conjugate Heat Transfer Analysis of a Blade Leading Edge Cooling Configuration Using Double Swirl Chambers
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Topics: Blades, Cooling, Heat transfer, Temperature, Impingement cooling, Turbines, Cooling systems, Design, Gas turbines, Geometry
Proceedings Papers

Novel Gas Turbine Blade Leading Edge Cooling Configuration Using Advanced Double Swirl Chambers

Karsten Kusterer, Gang Lin, Takao Sugimoto, Dieter Bohn, Ryozo Tanaka, Masahide Kazari
Proc. ASME. GT2015, Volume 5A: Heat Transfer, V05AT11A006, June 15–19, 2015
Publisher: American Society of Mechanical Engineers
Paper No: GT2015-42400
https://doi.org/10.1115/GT2015-42400
View Paper titled, Novel Gas Turbine Blade Leading Edge Cooling Configuration Using Advanced Double Swirl Chambers
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Topics: Blades, Cooling, Gas turbines, Heat transfer, Flow (Dynamics), Impingement cooling, Boundary-value problems, Heat flux, Pressure, Pressure drop
Journal Articles

Numerical and Experimental Investigations of the Transient Thermal Behavior of a Steam By-Pass Valve at Steam Temperatures Beyond 700 °C

Anis Haj Ayed, Martin Kemper, Karsten Kusterer, Hailu Tadesse, Manfred Wirsum, Dierk von Nordheim, Olaf Tebbenhoff, Karl-Heinz Czychon, Klaus Metzger, Dieter Bohn
Journal: Journal of Thermal Science and Engineering Applications
Publisher: ASME
Article Type: Research-Article
J. Thermal Sci. Eng. Appl. March 2015, 7(1): 011015.
Paper No: TSEA-14-1068
https://doi.org/10.1115/1.4029040
Published Online: March 1, 2015
View Article titled, Numerical and Experimental Investigations of the Transient Thermal Behavior of a Steam By-Pass Valve at Steam Temperatures Beyond 700 °C
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Topics: Steam, Temperature, Transients (Dynamics), Valves, Flow (Dynamics), Numerical analysis, Steady state, Cycles
Proceedings Papers

Experimental and Numerical Investigations of Aerodynamic Aspects of Hot Gas Ingestion in Rotor-Stator Systems With Superimposed Cooling Mass Flow

Dieter Bohn, Erik Johann, Uwe Krüger
Proc. ASME. GT1995, Volume 1: Turbomachinery, V001T01A034, June 5–8, 1995
Publisher: American Society of Mechanical Engineers
Paper No: 95-GT-143
https://doi.org/10.1115/95-GT-143
View Paper titled, Experimental and Numerical Investigations of Aerodynamic Aspects of Hot Gas Ingestion in Rotor-Stator Systems With Superimposed Cooling Mass Flow
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Topics: Cooling, Flow (Dynamics), Rotors, Stators, Gas turbines, Pressure, Turbines, Turbulence, Aerodynamics, Air flow
Proceedings Papers

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

Dieter Bohn, Uwe Krüger, Klaus Nitsche
Proc. ASME. GT1995, Volume 1: Turbomachinery, V001T01A035, June 5–8, 1995
Publisher: American Society of Mechanical Engineers
Paper No: 95-GT-144
https://doi.org/10.1115/95-GT-144
View Paper titled, 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
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Topics: Cavities, Compressors, Disks, Flow (Dynamics), Gas turbines, Heat transfer, Temperature, Temperature gradient, Air flow, Boundary-value problems
Proceedings Papers

A Navier Stokes Computer Code for Theoretical Investigations on the Applicability of Various Turbulence Models for Flow Prediction Along Turbine Blades

Dieter Bohn, Rolf Emunds
Proc. ASME. GT1995, Volume 1: Turbomachinery, V001T01A019, June 5–8, 1995
Publisher: American Society of Mechanical Engineers
Paper No: 95-GT-090
https://doi.org/10.1115/95-GT-090
View Paper titled, A Navier Stokes Computer Code for Theoretical Investigations on the Applicability of Various Turbulence Models for Flow Prediction Along Turbine Blades
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Topics: Computers, Flow (Dynamics), Turbine blades, Turbulence, Blades, Turbines, Algebra, Algorithms, Fluctuations (Physics), Stators
Proceedings Papers

Numerical Prediction of the Dynamic Behaviour of Turbulent Diffusion Flames

Dieter Bohn, Gregor Deutsch, Uwe Krüger
Proc. ASME. GT1996, Volume 3: Coal, Biomass and Alternative Fuels; Combustion and Fuels; Oil and Gas Applications; Cycle Innovations, V003T06A024, June 10–13, 1996
Publisher: American Society of Mechanical Engineers
Paper No: 96-GT-133
https://doi.org/10.1115/96-GT-133
View Paper titled, Numerical Prediction of the Dynamic Behaviour of Turbulent Diffusion Flames
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Topics: Flames, Turbulent diffusion, Combustion, Oscillations, Steady state, Transients (Dynamics), Diffusion flames, Frequency response, Simulation, Stability
Proceedings Papers

3-D Numerical Simulation of the Flow Through a Turbine Blade Cascade With Cooling Injection at the Leading Edge

Dieter Bohn, Karsten Kusterer, Harald Schönenborn
Proc. ASME. GT1996, Volume 4: Heat Transfer; Electric Power; Industrial and Cogeneration, V004T09A002, June 10–13, 1996
Publisher: American Society of Mechanical Engineers
Paper No: 96-GT-150
https://doi.org/10.1115/96-GT-150
View Paper titled, 3-D Numerical Simulation of the Flow Through a Turbine Blade Cascade With Cooling Injection at the Leading Edge
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Topics: Cascades (Fluid dynamics), Computer simulation, Cooling, Flow (Dynamics), Turbine blades, Temperature, Blades, Simulation, Pressure, Coolants
Proceedings Papers

Numerical Prediction of the Dynamic Behaviour of Premixed Flames Using Systematically Reduced Multi-Step Reaction Mechanisms

Dieter Bohn, Yuhong Li, Gero Matouschek, Uwe Krüger
Proc. ASME. GT1997, Volume 2: Coal, Biomass and Alternative Fuels; Combustion and Fuels; Oil and Gas Applications; Cycle Innovations, V002T06A034, June 2–5, 1997
Publisher: American Society of Mechanical Engineers
Paper No: 97-GT-265
https://doi.org/10.1115/97-GT-265
View Paper titled, Numerical Prediction of the Dynamic Behaviour of Premixed Flames Using Systematically Reduced Multi-Step Reaction Mechanisms
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Topics: Flames, Combustion, Flow (Dynamics), Frequency response, Gas turbines, Methane, Steady state, Delays, Oscillations, Transients (Dynamics)
Proceedings Papers

The Computation of Adjacent Blade-Row Effects in a 1.5 Stage Axial Flow Turbine

Rolf Emunds, Ian K. Jennions, Dieter Bohn, Jochen Gier
Proc. ASME. GT1997, Volume 1: Aircraft Engine; Marine; Turbomachinery; Microturbines and Small Turbomachinery, V001T03A016, June 2–5, 1997
Publisher: American Society of Mechanical Engineers
Paper No: 97-GT-081
https://doi.org/10.1115/97-GT-081
View Paper titled, The Computation of Adjacent Blade-Row Effects in a 1.5 Stage Axial Flow Turbine
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Topics: Axial flow, Blades, Computation, Turbines, Flow (Dynamics), Boundary-value problems, Computer simulation, Engineering simulation, Engines, Rotors
Proceedings Papers

The Effect of Turbulence on the Heat Transfer in Closed Gas-Filled Rotating Annuli

Dieter Bohn, Jochen Gier
Proc. ASME. GT1997, Volume 3: Heat Transfer; Electric Power; Industrial and Cogeneration, V003T09A046, June 2–5, 1997
Publisher: American Society of Mechanical Engineers
Paper No: 97-GT-242
https://doi.org/10.1115/97-GT-242
View Paper titled, The Effect of Turbulence on the Heat Transfer in Closed Gas-Filled Rotating Annuli
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Topics: Annulus, Heat transfer, Turbulence, Flow (Dynamics), Gas turbines, Rotors, Cavities, Computation, Cooling, Modeling
Proceedings Papers

Influence of Turbulence on the Dynamic Behaviour of Premixed Flames

Uwe Krüger, Stefan Hoffmann, Werner Krebs, Hans Judith, Dieter Bohn, Gero Matouschek
Proc. ASME. GT1998, Volume 3: Coal, Biomass and Alternative Fuels; Combustion and Fuels; Oil and Gas Applications; Cycle Innovations, V003T06A028, June 2–5, 1998
Publisher: American Society of Mechanical Engineers
Paper No: 98-GT-323
https://doi.org/10.1115/98-GT-323
View Paper titled, Influence of Turbulence on the Dynamic Behaviour of Premixed Flames
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Topics: Flames, Turbulence, Combustion, Steady state, Emissions, Frequency response, Gas turbines, Nitrogen oxides, Oscillations, Transients (Dynamics)
Proceedings Papers

The Effect of Turbulence on the Heat Transfer in Closed Gas-Filled Rotating Annuli for Different Rayleigh Numbers

Dieter Bohn, Jochen Gier
Proc. ASME. GT1998, Volume 4: Heat Transfer; Electric Power; Industrial and Cogeneration, V004T09A092, June 2–5, 1998
Publisher: American Society of Mechanical Engineers
Paper No: 98-GT-542
https://doi.org/10.1115/98-GT-542
View Paper titled, The Effect of Turbulence on the Heat Transfer in Closed Gas-Filled Rotating Annuli for Different Rayleigh Numbers
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Topics: Annulus, Heat transfer, Rayleigh number, Turbulence, Flow (Dynamics), Gas turbines, Rotors, Buoyancy, Cavities, Computation
Proceedings Papers

Prediction of Thermoacoustic Instabilities With Focus on the Dynamic Flame Behavior for the 3A-Series Gas Turbine of Siemens KWU

Uwe Krüger, Jens Hüren, Stefan Hoffmann, Werner Krebs, Dieter Bohn
Proc. ASME. GT1999, Volume 2: Coal, Biomass and Alternative Fuels; Combustion and Fuels; Oil and Gas Applications; Cycle Innovations, V002T02A016, June 7–10, 1999
Publisher: American Society of Mechanical Engineers
Paper No: 99-GT-111
https://doi.org/10.1115/99-GT-111
View Paper titled, Prediction of Thermoacoustic Instabilities With Focus on the Dynamic Flame Behavior for the 3A-Series Gas Turbine of Siemens KWU
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Topics: Flames, Gas turbines, Combustion chambers, Combustion, Acoustics, Design, Engines, Flow (Dynamics), Oscillations, Poles (Building)