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Journal Articles

Roughness Effects on Dense-Gas Turbine Flow: Comparison of Experiments and Simulations

Available to Purchase
Xavier Gloerfelt, Leander Hake, Aurélien Bienner, Camille Matar, Paola Cinnella, Stefan aus der Wiesche
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. August 2025, 147(8): 081010.
Paper No: TURBO-24-1258
https://doi.org/10.1115/1.4067443
Published Online: January 13, 2025
View Articletitled, Roughness Effects on Dense-Gas Turbine Flow: Comparison of Experiments and Simulations
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Topics: Blades, Flow (Dynamics), Simulation, Surface roughness, Turbines, Cascades (Fluid dynamics), Pressure, Boundary layers, Engineering simulation, Turbulence
Proceedings Papers

Impact of Off-Design Performance of Turbines on Organic-Rankine Cycle Simulations for Solar-Power Applications

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Erdal Yildirim, Stefan aus der Wiesche, Mehmet Azmi Aktacir
Proc. ASME. GT2024, Volume 5: Cycle Innovations, V005T06A024, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-127198
https://doi.org/10.1115/GT2024-127198
View Paper titled, Impact of Off-Design Performance of Turbines on Organic-Rankine Cycle Simulations for Solar-Power Applications
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Topics: Cycles, Design, Organic Rankine cycle, Simulation, Solar power, Thermal efficiency, Turbines, Heat, Stress, Electric power generation
Proceedings Papers

Roughness Effects on Dense-Gas Turbine Flow: Comparison of Experiments and Simulations

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Xavier Gloerfelt, Leander Hake, Aurélien Bienner, Camille Matar, Paola Cinnella, Stefan aus der Wiesche
Proc. ASME. GT2024, Volume 12B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing, V12BT30A022, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-125144
https://doi.org/10.1115/GT2024-125144
View Paper titled, Roughness Effects on Dense-Gas Turbine Flow: Comparison of Experiments and Simulations
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Topics: Cascades (Fluid dynamics), Flow (Dynamics), Organic Rankine cycle, Simulation, Surface roughness, Turbines
Proceedings Papers

Investigation of a Transonic Dense Gas Flow Over an Idealized Blade Vane Configuration

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Leander Hake, Stefan aus der Wiesche, Stephan Sundermeier, Maximilian Passmann, Aurelien Bienner, Xavier Gloerfelt, Paola Cinnella
Proc. ASME. GT2024, Volume 12B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing, V12BT30A035, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-127215
https://doi.org/10.1115/GT2024-127215
View Paper titled, Investigation of a Transonic Dense Gas Flow Over an Idealized Blade Vane Configuration
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Topics: Blades, Flow (Dynamics), Gas flow, Pressure, Airfoils, Compressibility, Computer simulation, Cycles, Mach number, Organic Rankine cycle
Proceedings Papers

Influence of Casing Roughness on the Tip-Leakage Loss in a Linear Turbine Cascade

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Lukas Huser, Stefan aus der Wiesche, Markus Schatz
Proc. ASME. GT2023, Volume 13B: Turbomachinery — Axial Flow Turbine Aerodynamics, V13BT30A027, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103119
https://doi.org/10.1115/GT2023-103119
View Paper titled, Influence of Casing Roughness on the Tip-Leakage Loss in a Linear Turbine Cascade
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Topics: Cascades (Fluid dynamics), Leakage, Probes, Surface roughness, Turbines
Journal Articles

Hot-Wire Anemometry in High Subsonic Organic Vapor Flows

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Leander Hake, Stefan aus der Wiesche, Stephan Sundermeier, Leon Cakievski, Joshua Bäumer, Paola Cinnella, Camille Matar, Xavier Gloerfelt
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. September 2023, 145(9): 091010.
Paper No: TURBO-22-1346
https://doi.org/10.1115/1.4062676
Published Online: June 26, 2023
View Articletitled, Hot-Wire Anemometry in High Subsonic Organic Vapor Flows
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Topics: Calibration, Flow (Dynamics), Mach number, Temperature, Vapors, Wire, Reynolds number, Heat transfer, Probes, Wind tunnels
Proceedings Papers

Flow Through a Steam Turbine Cascade With a Single Damaged Blade: Effect of Blade Height on Loss and Outflow Angle Distribution

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Michael Schmalacker, Leon Cakievski, Stefan aus der Wiesche, Markus Schatz
Proc. ASME. GT2022, Volume 2: Coal, Biomass, Hydrogen, and Alternative Fuels; Controls, Diagnostics, and Instrumentation; Steam Turbine, V002T20A008, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-80950
https://doi.org/10.1115/GT2022-80950
View Paper titled, Flow Through a Steam Turbine Cascade With a Single Damaged Blade: Effect of Blade Height on Loss and Outflow Angle Distribution
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Topics: Blades, Cascades (Fluid dynamics), Damage, Flow (Dynamics), Leakage, Outflow, Steam turbines
Proceedings Papers

Hot-Wire Anemometry in High Subsonic Organic Vapor Flows

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Leander Hake, Stephan Sundermeier, Leon Cakievski, Joshua Bäumer, Stefan aus der Wiesche, Camille Matar, Paola Cinnella, Xavier Gloerfelt
Proc. ASME. GT2022, Volume 2: Coal, Biomass, Hydrogen, and Alternative Fuels; Controls, Diagnostics, and Instrumentation; Steam Turbine, V002T05A007, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-81686
https://doi.org/10.1115/GT2022-81686
View Paper titled, Hot-Wire Anemometry in High Subsonic Organic Vapor Flows
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Topics: Calibration, Flow (Dynamics), Organic Rankine cycle, Vapors, Wire
Journal Articles

Numerical Model of the Railway Brake Disk for the Temperature and Axial Thermal Stress Analyses

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Yusuf Cati, Stefan aus der Wiesche, Mesut Düzgün
Journal: Journal of Thermal Science and Engineering Applications
Publisher: ASME
Article Type: Research Papers
J. Thermal Sci. Eng. Appl. October 2022, 14(10): 101014.
Paper No: TSEA-21-1690
https://doi.org/10.1115/1.4054213
Published Online: April 12, 2022
View Articletitled, Numerical Model of the Railway Brake Disk for the Temperature and Axial Thermal Stress Analyses
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Topics: Disks, Temperature, Thermal stresses, Temperature distribution, Computer simulation, Railway brakes, Brakes
Proceedings Papers

Profile Loss of a Printed Transonic Turbine Cascade

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Leander Hake, Stefan aus der Wiesche
Proc. ASME. IMECE2021, Volume 10: Fluids Engineering, V010T10A011, November 1–5, 2021
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2021-70215
https://doi.org/10.1115/IMECE2021-70215
View Paper titled, Profile Loss of a Printed Transonic Turbine Cascade
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Topics: Cascades (Fluid dynamics), Steam, Surface roughness, Turbines, Vapors, Additive manufacturing, Carbon, Flow (Dynamics), Superheating, Surface quality
Proceedings Papers

Experimental Investigation of High-Speed Flows Past Pillow Plates

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Stephan Sundermeier, Stefan aus der Wiesche
Proc. ASME. IMECE2021, Volume 10: Fluids Engineering, V010T10A002, November 1–5, 2021
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2021-70223
https://doi.org/10.1115/IMECE2021-70223
View Paper titled, Experimental Investigation of High-Speed Flows Past Pillow Plates
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Topics: Flow (Dynamics), Plates (structures), Heat exchangers, Heat transfer, Mach number, Pressure drop, Schlieren methods
Proceedings Papers

Critical and Choking Mach Numbers for Organic Vapor Flows Through Turbine Cascades

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Stefan aus der Wiesche, Felix Reinker, Robert Wagner, Leander Hake, Max Passmann
Proc. ASME. GT2021, Volume 4: Controls, Diagnostics, and Instrumentation; Cycle Innovations; Cycle Innovations: Energy Storage; Education; Electric Power, V004T06A003, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59013
https://doi.org/10.1115/GT2021-59013
View Paper titled, Critical and Choking Mach Numbers for Organic Vapor Flows Through Turbine Cascades
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Topics: Flow (Dynamics), Mach number, Turbines, Vapors
Journal Articles

Effect of Reynolds Number on Five-Hole Probe Performance: Experimental Study of the Open-Access Oxford Probe

Open Access
Maximilian Passmann, Stefan aus der Wiesche, Thomas Povey, Detlef Bergmann
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. September 2021, 143(9): 091003.
Paper No: TURBO-20-1376
https://doi.org/10.1115/1.4050597
Published Online: May 3, 2021
View Articletitled, Effect of Reynolds Number on Five-Hole Probe Performance: Experimental Study of the Open-Access Oxford Probe
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Topics: Calibration, Probes, Reynolds number, Pressure, Flow (Dynamics), Errors
Journal Articles

Numerical Calibration of Three-Dimensional Printed Five-Hole Probes for the Transonic Flow Regime

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Maximilian Passmann, Stefan aus der Wiesche, Franz Joos
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. May 2021, 143(5): 051501.
Paper No: FE-20-1439
https://doi.org/10.1115/1.4049680
Published Online: February 8, 2021
View Articletitled, Numerical Calibration of Three-Dimensional Printed Five-Hole Probes for the Transonic Flow Regime
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Topics: Calibration, Mach number, Pressure, Probes, Flow (Dynamics)
Proceedings Papers

A Simplified Model for Predicting Natural Draft Wet Cooling Tower Performance of Large Steam Power Plants

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Stefan aus der Wiesche
Proc. ASME. GT2020, Volume 9: Oil and Gas Applications; Organic Rankine Cycle Power Systems; Steam Turbine, V009T23A020, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15369
https://doi.org/10.1115/GT2020-15369
View Paper titled, A Simplified Model for Predicting Natural Draft Wet Cooling Tower Performance of Large Steam Power Plants
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Topics: Cooling towers, Simulation, Thermal power stations
Proceedings Papers

Effect of Reynolds Number on Five-Hole Probe Performance: Experimental Study of the Open-Access Oxford Probe

Available to Purchase

Maximilian Passmann, Stefan aus der Wiesche, Thomas Povey, Detlef Bergmann
Proc. ASME. GT2020, Volume 5: Controls, Diagnostics, and Instrumentation; Cycle Innovations; Cycle Innovations: Energy Storage, V005T05A028, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-16074
https://doi.org/10.1115/GT2020-16074
View Paper titled, Effect of Reynolds Number on Five-Hole Probe Performance: Experimental Study of the Open-Access Oxford Probe
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Topics: Calibration, Probes, Reynolds number
Journal Articles

Stagnation Flow and Heat Transfer From a Finite Disk Situated Perpendicular to a Uniform Stream

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Stefan aus der Wiesche, Christian Helcig
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. March 2020, 142(3): 031108.
Paper No: FE-19-1652
https://doi.org/10.1115/1.4045862
Published Online: January 24, 2020
View Articletitled, Stagnation Flow and Heat Transfer From a Finite Disk Situated Perpendicular to a Uniform Stream
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Topics: Boundary layers, Disks, Flow (Dynamics), Heat transfer, Stagnation flow, Prandtl number, Water, Model basin
Proceedings Papers

Numerical Verification of the Thermodynamic Determination of the Hydraulic Efficiency of Radial Fans

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Philipp Epple, Manuel Fritsche, Felix Reinker, Stefan aus der Wiesche
Proc. ASME. IMECE2019, Volume 7: Fluids Engineering, V007T08A060, November 11–14, 2019
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2019-11417
https://doi.org/10.1115/IMECE2019-11417
View Paper titled, Numerical Verification of the Thermodynamic Determination of the Hydraulic Efficiency of Radial Fans
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Topics: Fans
Proceedings Papers

Assessment of Compressible RANS and LES Methods for Organic Vapor Flows Past a NACA4412 Airfoil

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Karsten Hasselmann, Stefan aus der Wiesche, Eugeny Y. Kenig
Proc. ASME. AJKFluids2019, Volume 2: Computational Fluid Dynamics, V002T02A055, July 28–August 1, 2019
Publisher: American Society of Mechanical Engineers
Paper No: AJKFluids2019-4843
https://doi.org/10.1115/AJKFluids2019-4843
View Paper titled, Assessment of Compressible RANS and LES Methods for Organic Vapor Flows Past a NACA4412 Airfoil
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Topics: Airfoils, Flow (Dynamics), Reynolds-averaged Navier–Stokes equations, Vapors, Simulation, Mach number, Computational fluid dynamics, Fluids, Speed of sound, Density
Proceedings Papers

An Accurate Thermal Measurement Approach for Determining Fan Efficiencies Based on System Identification

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Stefan aus der Wiesche, Felix Reinker, Robert Wagner, Philipp Epple, Manuel Fritsche, Hans Jörg Russwurm
Proc. ASME. AJKFluids2019, Volume 3A: Fluid Applications and Systems, V03AT03A014, July 28–August 1, 2019
Publisher: American Society of Mechanical Engineers
Paper No: AJKFluids2019-4613
https://doi.org/10.1115/AJKFluids2019-4613
View Paper titled, An Accurate Thermal Measurement Approach for Determining Fan Efficiencies Based on System Identification
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Topics: Design, Performance, Signals, Temperature, Temperature measurement, Testing performance, Transients (Dynamics)