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Michael Pfitzner
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Proceedings Papers

Conjugate Heat Transfer of Cylindrical and Trenched Film Cooling Designs With Array Jet Impingement

Lukas Fischer, Andrés Sanchez, Fabian Schleich, Fabian Feller, Richard Raffelt, Michael Pfitzner
Proc. ASME. GT2022, Volume 6A: Heat Transfer — Combustors; Film Cooling, V06AT12A011, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-80810
https://doi.org/10.1115/GT2022-80810
View Paper titled, Conjugate Heat Transfer of Cylindrical and Trenched Film Cooling Designs With Array Jet Impingement
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Topics: Film cooling, Heat transfer, Cooling, Heat transfer coefficients, Reynolds number, Density, Design, Engines, Flow (Dynamics), Heat flux
Journal Articles

Investigating the Influence of Mainstream Turbulence and Large Vortices on Gas Turbine Trenched Film Cooling Flows Using Planar Temperature-Velocity Imaging

Michael Straußwald, Tobias Sander, Christopher Abram, Michael Pfitzner
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 2022, 144(10): 101013.
Paper No: TURBO-21-1260
https://doi.org/10.1115/1.4054215
Published Online: July 4, 2022
View Article titled, Investigating the Influence of Mainstream Turbulence and Large Vortices on Gas Turbine Trenched Film Cooling Flows Using Planar Temperature-Velocity Imaging
Open the PDF for Investigating the Influence of Mainstream Turbulence and Large Vortices on Gas Turbine Trenched Film Cooling Flows Using Planar Temperature-Velocity Imaging in another window
Topics: Cooling, Film cooling, Flow (Dynamics), Temperature, Turbulence, Momentum, Geometry, Vortices
Journal Articles

Analysis of Large Eddy Simulations and 1D Hot-Wire Data to Determine Actively Generated Main Flow Turbulence in a Film Cooling Test Rig

Lukas Fischer, Michael Straußwald, Michael Pfitzner
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. November 2022, 144(11): 111003.
Paper No: TURBO-21-1282
https://doi.org/10.1115/1.4054778
Published Online: July 4, 2022
View Article titled, Analysis of Large Eddy Simulations and 1D Hot-Wire Data to Determine Actively Generated Main Flow Turbulence in a Film Cooling Test Rig
Open the PDF for Analysis of Large Eddy Simulations and 1D Hot-Wire Data to Determine Actively Generated Main Flow Turbulence in a Film Cooling Test Rig in another window
Topics: Film cooling, Probes, Turbulence, Generators, Wire, Flow (Dynamics)
Journal Articles

Characterization of a Newly Designed Test Bench for Investigations of Flame–Wall Interaction

Rahand Dalshad, Tobias Sander, Michael Pfitzner
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2022, 144(4): 041006.
Paper No: GTP-21-1423
https://doi.org/10.1115/1.4052264
Published Online: January 13, 2022
View Article titled, Characterization of a Newly Designed Test Bench for Investigations of Flame–Wall Interaction
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Topics: Flames, Flow (Dynamics), Fuels, Lasers, Methane, Temperature, Heat, Temperature measurement, Chemiluminescence, Generators
Proceedings Papers

Characterization of a Newly Designed Test Bench for Investigations of Flame-Wall-Interaction

Rahand Dalshad, Tobias Sander, Michael Pfitzner
Proc. ASME. GT2021, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A043, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59170
https://doi.org/10.1115/GT2021-59170
View Paper titled, Characterization of a Newly Designed Test Bench for Investigations of Flame-Wall-Interaction
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Topics: Flames, Combustion chambers, Combustion, Heat, Atmospheric pressure, Chemiluminescence, Design, Engines, Fluorescence, Heat conduction
Proceedings Papers

Analysis of LES and 1D Hot-Wire Data to Determine Actively Generated Main Flow Turbulence in a Film Cooling Test Rig

Lukas Fischer, Michael Straußwald, Michael Pfitzner
Proc. ASME. GT2021, Volume 5A: Heat Transfer — Combustors; Film Cooling, V05AT12A002, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-58661
https://doi.org/10.1115/GT2021-58661
View Paper titled, Analysis of LES and 1D Hot-Wire Data to Determine Actively Generated Main Flow Turbulence in a Film Cooling Test Rig
Open the PDF for Analysis of LES and 1D Hot-Wire Data to Determine Actively Generated Main Flow Turbulence in a Film Cooling Test Rig in another window
Topics: Film cooling, Flow (Dynamics), Turbulence, Wire, Probes, Generators, Signals, Vortices, Anisotropy, Combustion chambers
Journal Articles

Correlations for the Choked Mass and Momentum Flux Density Considering Real-Gas Thermodynamics

Matthias Banholzer, Michael Pfitzner
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. August 2019, 141(8): 081202.
Paper No: FE-18-1617
https://doi.org/10.1115/1.4042376
Published Online: January 30, 2019
View Article titled, Correlations for the Choked Mass and Momentum Flux Density Considering Real-Gas Thermodynamics
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Topics: Density, Fluids, Methane, Momentum, Nitrogen, Pressure, Temperature, Nozzles, Computational fluid dynamics, Speed of sound
eBook Chapter

Temperature and Pressure Effects on Cavitation Erosion in Diesel-Like Fuels

Series: ASME Press Select Proceedings
Publisher: ASME Press
Published: 2018
ISBN: 9780791861851
Open the PDF for Temperature and Pressure Effects on Cavitation Erosion in Diesel-Like Fuels in another window
Topics: Cavitation erosion, Diesel, Fuels, Pressure, Temperature
Journal Articles

Development of a RANS Premixed Turbulent Combustion Model Based on the Algebraic Flame Surface Density Concept

Usman Allauddin, Michael Pfitzner
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2019, 141(2): 021025.
Paper No: GTP-18-1186
https://doi.org/10.1115/1.4041308
Published Online: October 10, 2018
View Article titled, Development of a RANS Premixed Turbulent Combustion Model Based on the Algebraic Flame Surface Density Concept
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Topics: Combustion, Density, Flames, Reynolds-averaged Navier–Stokes equations, Turbulence, Algebra, Pressure, Large eddy simulation, Fuels, Methane
Proceedings Papers

Active Turbulence Generation for Film Cooling Investigations

Amirabas Bakhtiari, Tobias Sander, Michael Straußwald, Michael Pfitzner
Proc. ASME. GT2018, Volume 5C: Heat Transfer, V05CT19A026, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-76451
https://doi.org/10.1115/GT2018-76451
View Paper titled, Active Turbulence Generation for Film Cooling Investigations
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Topics: Film cooling, Turbulence, Flow (Dynamics), Rotation, Cooling, Databases, Design, Gas turbines, Heat, Stress
Proceedings Papers

High-Speed Velocity Measurements of Film Cooling Applications at High-Turbulence Main Flow Conditions

Michael Straußwald, Tobias Sander, Amirabas Bakhtiari, Michael Pfitzner
Proc. ASME. GT2018, Volume 5C: Heat Transfer, V05CT19A027, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-76458
https://doi.org/10.1115/GT2018-76458
View Paper titled, High-Speed Velocity Measurements of Film Cooling Applications at High-Turbulence Main Flow Conditions
Open the PDF for High-Speed Velocity Measurements of Film Cooling Applications at High-Turbulence Main Flow Conditions in another window
Topics: Film cooling, Flow (Dynamics), Turbulence, Velocity measurement, Cooling, Momentum, Vortices, Eddies (Fluid dynamics), Fluctuations (Physics), Jets
Proceedings Papers

Experimental and Numerical Investigation of Turbulent Mixing in Film Cooling Applications

Michael Straußwald, Karin Schmid, Hagen Müller, Michael Pfitzner
Proc. ASME. GT2017, Volume 5C: Heat Transfer, V05CT19A024, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-64650
https://doi.org/10.1115/GT2017-64650
View Paper titled, Experimental and Numerical Investigation of Turbulent Mixing in Film Cooling Applications
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Topics: Film cooling, Turbulence, Flow (Dynamics), Cooling, Heat flux, Reynolds-averaged Navier–Stokes equations, Coolants, Density, Design, Diffusion (Physics)
Journal Articles

Heat Transfer Measurements Downstream of Trenched Film Cooling Holes Using a Novel Optical Two-Layer Measurement Technique

Peter Schreivogel, Michael Pfitzner
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. March 2016, 138(3): 031003.
Paper No: TURBO-15-1211
https://doi.org/10.1115/1.4031919
Published Online: November 24, 2015
View Article titled, Heat Transfer Measurements Downstream of Trenched Film Cooling Holes Using a Novel Optical Two-Layer Measurement Technique
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Topics: Cooling, Film cooling, Heat transfer, Heat transfer coefficients, Momentum, Density, Coolants, Flow (Dynamics)
Proceedings Papers

Effect of Shaft Rotation, Hole and Annulus Geometry on the Discharge Behavior Through Rotating Radial Holes

Daniel Riedmüller, Jan Sousek, Michael Pfitzner
Proc. ASME. GT2015, Volume 5C: Heat Transfer, V05CT15A002, June 15–19, 2015
Publisher: American Society of Mechanical Engineers
Paper No: GT2015-42044
https://doi.org/10.1115/GT2015-42044
View Paper titled, Effect of Shaft Rotation, Hole and Annulus Geometry on the Discharge Behavior Through Rotating Radial Holes
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Topics: Annulus, Geometry, Rotation, Flow (Dynamics), Discharge coefficient, Computational fluid dynamics, Coriolis force, Mach number, Mesh generation, Optimization
Proceedings Papers

Heat Transfer Measurements Downstream of Trenched Film Cooling Holes Using a Novel Optical Two-Layer Measurement Technique

Peter Schreivogel, Michael Pfitzner
Proc. ASME. GT2015, Volume 5B: Heat Transfer, V05BT12A012, June 15–19, 2015
Publisher: American Society of Mechanical Engineers
Paper No: GT2015-42385
https://doi.org/10.1115/GT2015-42385
View Paper titled, Heat Transfer Measurements Downstream of Trenched Film Cooling Holes Using a Novel Optical Two-Layer Measurement Technique
Open the PDF for Heat Transfer Measurements Downstream of Trenched Film Cooling Holes Using a Novel Optical Two-Layer Measurement Technique in another window
Topics: Film cooling, Heat transfer, Cooling, Heat flux, Heat transfer coefficients, Boundary-value problems, Bubbles, Coolants, Density, Momentum
Proceedings Papers

Development of an Advanced Automated Knowledge Based Combustor Preliminary Design Process Suitable for Low NOx Combustion Systems Optimization

Maxim Gessel, Michael Pfitzner, Ruud Eggels
Proc. ASME. GT2015, Volume 4A: Combustion, Fuels and Emissions, V04AT04A029, June 15–19, 2015
Publisher: American Society of Mechanical Engineers
Paper No: GT2015-42328
https://doi.org/10.1115/GT2015-42328
View Paper titled, Development of an Advanced Automated Knowledge Based Combustor Preliminary Design Process Suitable for Low NOx Combustion Systems Optimization
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Topics: Combustion chambers, Combustion systems, Design, Nitrogen oxides, Optimization, Computational fluid dynamics, Boundary-value problems, Computer-aided design, Databases, Combustion
Journal Articles

Heat Transfer in Reacting Cooling Films: Influence and Validation of Combustion Modeling in Numerical Simulations

Stephanie Pohl, Gabriele Frank, Michael Pfitzner
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. August 2015, 137(8): 081003.
Paper No: TURBO-14-1284
https://doi.org/10.1115/1.4029350
Published Online: August 1, 2015
View Article titled, Heat Transfer in Reacting Cooling Films: Influence and Validation of Combustion Modeling in Numerical Simulations
Open the PDF for Heat Transfer in Reacting Cooling Films: Influence and Validation of Combustion Modeling in Numerical Simulations in another window
Topics: Combustion, Cooling, Modeling, Temperature, Turbulence, Coolants, Flow (Dynamics), Fuels, Equilibrium (Physics), Heat transfer
Journal Articles

A Comprehensive Investigation of Preswirled Flow Through Rotating Radial Holes

Daniel Riedmüller, Jan Sousek, Michael Pfitzner
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2015, 137(3): 031504.
Paper No: GTP-14-1376
https://doi.org/10.1115/1.4028375
Published Online: October 7, 2014
View Article titled, A Comprehensive Investigation of Preswirled Flow Through Rotating Radial Holes
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Topics: Flow (Dynamics)
Proceedings Papers

A Comprehensive Investigation of Pre-Swirled Flow Through Rotating Radial Holes

Daniel Riedmüller, Jan Sousek, Michael Pfitzner
Proc. ASME. GT2014, Volume 5C: Heat Transfer, V05CT16A003, June 16–20, 2014
Publisher: American Society of Mechanical Engineers
Paper No: GT2014-25102
https://doi.org/10.1115/GT2014-25102
View Paper titled, A Comprehensive Investigation of Pre-Swirled Flow Through Rotating Radial Holes
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Topics: Flow (Dynamics), Orifices, Discharge coefficient, Annulus, Computational fluid dynamics, Computer simulation, Coriolis force, Gas turbines, Mach number, Mesh generation
Proceedings Papers

Heat Transfer in Reacting Cooling Films: Part II — Modelling Near-Wall Effects in Non-Premixed Combustion With OpenFOAM

Gabriele Frank, Stephanie Pohl, Michael Pfitzner
Proc. ASME. GT2014, Volume 5C: Heat Transfer, V05CT18A002, June 16–20, 2014
Publisher: American Society of Mechanical Engineers
Paper No: GT2014-25215
https://doi.org/10.1115/GT2014-25215
View Paper titled, Heat Transfer in Reacting Cooling Films: Part II — Modelling Near-Wall Effects in Non-Premixed Combustion With OpenFOAM
Open the PDF for Heat Transfer in Reacting Cooling Films: Part II — Modelling Near-Wall Effects in Non-Premixed Combustion With OpenFOAM in another window
Topics: Combustion, Cooling, Heat transfer, Modeling, Enthalpy, Density, Flat plates, Heat flux, Heat losses, Probability