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Hans-Jörg Bauer
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Proceedings Papers

Numerical Analysis of the Effect of Geometric Variations on the Mass Flow Distribution for an Under-Race Lubrication System

Daniel Mateo Aguirre Bermudez, Aju Abraham, Shreyas Joshi, Corina Schwitzke, Hans-Jörg Bauer
Proc. ASME. GT2024, Volume 1: Aircraft Engine, V001T01A011, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-122481
https://doi.org/10.1115/GT2024-122481
View Paper titled, Numerical Analysis of the Effect of Geometric Variations on the Mass Flow Distribution for an Under-Race Lubrication System
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Topics: Flow (Dynamics), Industrial lubrication systems, Lubrication, Numerical analysis, Cavities, Cooling, Aircraft engines, Bearings, Engineering simulation, Film thickness
Journal Articles

Reacting Flow Prediction of the Low-Swirl Lifted Flame in an Aeronautical Combustor With Angular Air Supply

Sven Hoffmann, Rainer Koch, Hans-Jörg Bauer
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2024, 146(3): 031025.
Paper No: GTP-23-1287
https://doi.org/10.1115/1.4063988
Published Online: January 12, 2024
View Article titled, Reacting Flow Prediction of the Low-Swirl Lifted Flame in an Aeronautical Combustor With Angular Air Supply
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Topics: Combustion, Combustion chambers, Flames, Flow (Dynamics), Temperature, Computer simulation
Proceedings Papers

Reacting Flow Prediction of the Low-Swirl Lifted Flame in an Aeronautical Combustor With Angular Air Supply

Sven Hoffmann, Rainer Koch, Hans-Jörg Bauer
Proc. ASME. GT2023, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A041, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103459
https://doi.org/10.1115/GT2023-103459
View Paper titled, Reacting Flow Prediction of the Low-Swirl Lifted Flame in an Aeronautical Combustor With Angular Air Supply
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Topics: Combustion chambers, Flames, Flow (Dynamics), Combustion, Fuels, Aircraft engines, Emissions, Exhaust gas recirculation, Stability, Chemistry
Proceedings Papers

Investigation of the Transient Closing Behavior of a Radially Adaptive Seal

James Lofts, Corina Schwitzke, Hans-Jörg Bauer, Vincent Peltier, Kunyuan Zhou
Proc. ASME. GT2022, Volume 8A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Engineering Design, Analysis, and Additive Manufacturing; Fatigue, Fracture, and Life Prediction, V08AT22A012, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82235
https://doi.org/10.1115/GT2022-82235
View Paper titled, Investigation of the Transient Closing Behavior of a Radially Adaptive Seal
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Topics: Transients (Dynamics), Pressure, Stress, Cycles, Engines, Turbomachinery, Hydrostatics, Leakage, Rotation, Rotors
Journal Articles

Experimental Investigations Into the Effect of Surface Roughness and Contact Force on Leakage Between Two Rigid Metallic Surfaces

Cyrille Bricaud, Oliver Schulz, Thomas Zierer, Vincent Peltier, Corina Schwitzke, Hans-Jörg Bauer
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2022, 144(6): 061006.
Paper No: GTP-21-1690
https://doi.org/10.1115/1.4053965
Published Online: March 21, 2022
View Article titled, Experimental Investigations Into the Effect of Surface Roughness and Contact Force on Leakage Between Two Rigid Metallic Surfaces
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Topics: Leakage, Pressure, Surface roughness, Sealing (Process)
Journal Articles

Experimental Determination of Heat Transfer Coefficient on Impingement Cooled Gear Flanks: Validation of the Evaluation Method

Emre Ayan, Felix C. von Plehwe, Marc C. Keller, Christian Kromer, Corina Schwitzke, Hans-Jörg Bauer
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. August 2022, 144(8): 081008.
Paper No: TURBO-21-1224
https://doi.org/10.1115/1.4053694
Published Online: March 3, 2022
View Article titled, Experimental Determination of Heat Transfer Coefficient on Impingement Cooled Gear Flanks: Validation of the Evaluation Method
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Topics: Algorithms, Gears, Heat transfer, Heat transfer coefficients, Temperature, Thermocouples, Resolution (Optics), Gear teeth, Evaluation methods, Iterative methods
Journal Articles

The Influence of Deterministic Surface Roughness and Freestream Turbulence on Transitional Boundary Layers: Heat Transfer Distributions and a New Transition Onset Correlation

Christoph Gramespacher, Matthias Stripf, Hans-Jörg Bauer
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. April 2022, 144(4): 041001.
Paper No: TURBO-21-1127
https://doi.org/10.1115/1.4052458
Published Online: November 2, 2021
View Article titled, The Influence of Deterministic Surface Roughness and Freestream Turbulence on Transitional Boundary Layers: Heat Transfer Distributions and a New Transition Onset Correlation
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Topics: Boundary layers, Heat transfer, Surface roughness, Turbulence, Reynolds number, Pressure, Suction
Proceedings Papers

Numerical Investigation of the Low-Swirl Flow in an Aeronautical Combustor With Angular Air Supply

Sven Hoffmann, Rainer Koch, Hans-Jörg Bauer
Proc. ASME. GT2021, Volume 2C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V02CT34A019, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59286
https://doi.org/10.1115/GT2021-59286
View Paper titled, Numerical Investigation of the Low-Swirl Flow in an Aeronautical Combustor With Angular Air Supply
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Topics: Combustion chambers, Flow (Dynamics), Ejectors, Flames, Momentum, Aerodynamics, Air flow, Air traffic control, Angular momentum, Deflection
Proceedings Papers

Effect of Droplet Starting Conditions on the Spray Dispersion Resulting From a Swirl Cup Injector

Niklas Bürkle, Simon Holz, Enrico Bärow, Rainer Koch, Hans-Jörg Bauer
Proc. ASME. GT2021, Volume 2C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V02CT34A001, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-58338
https://doi.org/10.1115/GT2021-58338
View Paper titled, Effect of Droplet Starting Conditions on the Spray Dispersion Resulting From a Swirl Cup Injector
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Topics: Drops, Ejectors, Sprays, Modeling, Combustion chambers, Engineering simulation, Fuel injectors, Geometry, Simulation, Turbulence
Proceedings Papers

Experimental Investigations Into the Effect of Surface Roughness And Contact Force on Leakage Between Two Rigid Metallic Surfaces

Cyrille Bricaud, Oliver Schulz, Thomas Zierer, Vincent Peltier, Corina Schwitzke, Hans-Jörg Bauer
Proc. ASME. GT2021, Volume 5B: Heat Transfer — General Interest; Internal Air Systems; Internal Cooling, V05BT14A008, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59163
https://doi.org/10.1115/GT2021-59163
View Paper titled, Experimental Investigations Into the Effect of Surface Roughness And Contact Force on Leakage Between Two Rigid Metallic Surfaces
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Topics: Compression, Leakage, Metal surfaces, Surface roughness
Proceedings Papers

Investigation of Adjacent Lifted Flames Interaction in an Inline and Inclined Multi-Burner Arrangement

Mohamed Shamma, Sven Hoffmann, Stefan Raphael Harth, Nikolaos Zarzalis, Dimosthenis Trimis, Rainer Koch, Hans-Jörg Bauer, Leonardo Langone, Sofia Galeotti, Antonio Andreini
Proc. ASME. GT2021, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A020, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59941
https://doi.org/10.1115/GT2021-59941
View Paper titled, Investigation of Adjacent Lifted Flames Interaction in an Inline and Inclined Multi-Burner Arrangement
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Topics: Flames, Combustion chambers, Emissions, Nitrogen oxides, Stability, Sprays, Aircraft engines, Boundary-value problems, Chemiluminescence, Combustion
Proceedings Papers

Experimental Determination of Heat Transfer Coefficient on Impingement Cooled Gear Flanks: Validation of the Evaluation Method

Emre Ayan, Felix C. von Plehwe, Marc C. Keller, Christian Kromer, Corina Schwitzke, Hans-Jörg Bauer
Proc. ASME. GT2021, Volume 5B: Heat Transfer — General Interest; Internal Air Systems; Internal Cooling, V05BT13A004, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-58838
https://doi.org/10.1115/GT2021-58838
View Paper titled, Experimental Determination of Heat Transfer Coefficient on Impingement Cooled Gear Flanks: Validation of the Evaluation Method
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Topics: Evaluation methods, Gears, Heat transfer coefficients, Heat transfer, Temperature, Thermocouples, Impingement cooling, Algorithms, Design, Gear teeth
Proceedings Papers

The Influence of Deterministic Surface Roughness and Free-Stream Turbulence on Transitional Boundary Layers: Heat Transfer Distributions and a New Transition Onset Correlation

Christoph Gramespacher, Matthias Stripf, Hans-Jörg Bauer
Proc. ASME. HT2021, ASME 2021 Heat Transfer Summer Conference, V001T04A005, June 16–18, 2021
Publisher: American Society of Mechanical Engineers
Paper No: HT2021-63504
https://doi.org/10.1115/HT2021-63504
View Paper titled, The Influence of Deterministic Surface Roughness and Free-Stream Turbulence on Transitional Boundary Layers: Heat Transfer Distributions and a New Transition Onset Correlation
Open the PDF for The Influence of Deterministic Surface Roughness and Free-Stream Turbulence on Transitional Boundary Layers: Heat Transfer Distributions and a New Transition Onset Correlation in another window
Topics: Boundary layers, Heat transfer, Surface roughness, Turbulence, Density, Flat plates, Pressure, Reynolds number, Pressure gradient, Probes
Journal Articles

Experimental Investigation on the Rubbing Process of Labyrinth Seals Considering the Material Combination

Lisa Hühn, Oliver Munz, Corina Schwitzke, Hans-Jörg Bauer
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. November 2021, 143(11): 111006.
Paper No: TURBO-20-1387
https://doi.org/10.1115/1.4051166
Published Online: June 15, 2021
View Article titled, Experimental Investigation on the Rubbing Process of Labyrinth Seals Considering the Material Combination
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Topics: Design, Pressure, Rotors, Steel, Stress, Temperature, Wear, Alloys, Stators, Turbine blades
Journal Articles

The Influence of Element Thermal Conductivity, Shape, and Density on Heat Transfer in a Rough Wall Turbulent Boundary Layer With Strong Pressure Gradients

Christoph Gramespacher, Holger Albiez, Matthias Stripf, Hans-Jörg Bauer
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. August 2021, 143(8): 081001.
Paper No: TURBO-20-1306
https://doi.org/10.1115/1.4050390
Published Online: April 21, 2021
View Article titled, The Influence of Element Thermal Conductivity, Shape, and Density on Heat Transfer in a Rough Wall Turbulent Boundary Layer With Strong Pressure Gradients
Open the PDF for The Influence of Element Thermal Conductivity, Shape, and Density on Heat Transfer in a Rough Wall Turbulent Boundary Layer With Strong Pressure Gradients in another window
Topics: Heat transfer, Surface roughness, Thermal conductivity, Turbulence, Density
Journal Articles

Investigation of Film Cooling Using Time-Resolved Stereo Particle Image Velocimetry

Katharina Stichling, Maximilian Elfner, Hans-Jörg Bauer
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. July 2021, 143(7): 071014.
Paper No: TURBO-20-1337
https://doi.org/10.1115/1.4050391
Published Online: April 19, 2021
View Article titled, Investigation of Film Cooling Using Time-Resolved Stereo Particle Image Velocimetry
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Topics: Coolants, Film cooling, Flow (Dynamics), Particulate matter, Cooling
Proceedings Papers

Experimental Investigation on the Rubbing Process of Labyrinth Seals Against Honeycomb Liners

Oliver Munz, Lisa Hühn, Corina Schwitzke, Hans-Jörg Bauer, Tim Fischer, Sonun Ulan kyzy
Proc. ASME. GT2020, Volume 10A: Structures and Dynamics, V10AT25A032, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15935
https://doi.org/10.1115/GT2020-15935
View Paper titled, Experimental Investigation on the Rubbing Process of Labyrinth Seals Against Honeycomb Liners
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Topics: Honeycomb structures, Wear, Flow (Dynamics), Leakage, Optimization, Rotors, Sealing (Process), Service life (Equipment), Stators, Stress
Proceedings Papers

Experimental Investigation on the Rubbing Process of Labyrinth Seals Considering the Material Combination

Lisa Hühn, Oliver Munz, Corina Schwitzke, Hans-Jörg Bauer
Proc. ASME. GT2020, Volume 10A: Structures and Dynamics, V10AT25A016, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14918
https://doi.org/10.1115/GT2020-14918
View Paper titled, Experimental Investigation on the Rubbing Process of Labyrinth Seals Considering the Material Combination
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Topics: Design, Engines, Flight, Flow (Dynamics), Rotors, Stators, Stress, Temperature, Transients (Dynamics), Turbine blades
Proceedings Papers

Numerical Investigation of Conjugate Heat Transfer in an Effusion and Impingement Cooled Combustor Wall

Thomas Jackowski, Maximilian Elfner, Hans-Jörg Bauer
Proc. ASME. GT2020, Volume 7A: Heat Transfer, V07AT11A009, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15505
https://doi.org/10.1115/GT2020-15505
View Paper titled, Numerical Investigation of Conjugate Heat Transfer in an Effusion and Impingement Cooled Combustor Wall
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Topics: Combustion chambers, Heat transfer, Cooling, Coolants, Ducts, Flow (Dynamics), Boundary-value problems, Cavities, Geometry, Impingement cooling
Proceedings Papers

Analytical Model for the Heat Transfer in Impingement Cooled Spur Gears

Christian Kromer, Felix C. von Plehwe, Marc C. Keller, Corina Schwitzke, Hans-Jörg Bauer
Proc. ASME. GT2020, Volume 1: Aircraft Engine; Fans and Blowers, V001T01A023, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14760
https://doi.org/10.1115/GT2020-14760
View Paper titled, Analytical Model for the Heat Transfer in Impingement Cooled Spur Gears
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Topics: Heat transfer, Spur gears, Gear teeth, Gear trains, Heat, Impingement cooling, Jet engines, Pressure, Turbines, Turbofans