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Proceedings Papers

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

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

Paper No: GT2022-80950

DOI: https://doi.org/10.1115/GT2022-80950

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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

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

Paper No: GT2022-81686

DOI: https://doi.org/10.1115/GT2022-81686

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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

Yusuf Cati, Stefan aus der Wiesche, Mesut Düzgün

J. Thermal Sci. Eng. Appl. October 2022, 14(10): 101014.

Paper No: TSEA-21-1690

DOI: https://doi.org/10.1115/1.4054213

Published Online: April 12, 2022

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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

Leander Hake, Stefan aus der Wiesche

Proc. ASME. IMECE2021, Volume 10: Fluids Engineering, V010T10A011, November 1–5, 2021

Paper No: IMECE2021-70215

DOI: https://doi.org/10.1115/IMECE2021-70215

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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

Stephan Sundermeier, Stefan aus der Wiesche

Proc. ASME. IMECE2021, Volume 10: Fluids Engineering, V010T10A002, November 1–5, 2021

Paper No: IMECE2021-70223

DOI: https://doi.org/10.1115/IMECE2021-70223

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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

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

Paper No: GT2021-59013

DOI: https://doi.org/10.1115/GT2021-59013

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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

Maximilian Passmann, Stefan aus der Wiesche, Thomas Povey, Detlef Bergmann

J. Turbomach. September 2021, 143(9): 091003.

Paper No: TURBO-20-1376

DOI: https://doi.org/10.1115/1.4050597

Published Online: May 3, 2021

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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

Maximilian Passmann, Stefan aus der Wiesche, Franz Joos

J. Fluids Eng. May 2021, 143(5): 051501.

Paper No: FE-20-1439

DOI: https://doi.org/10.1115/1.4049680

Published Online: February 8, 2021

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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

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

Paper No: GT2020-15369

DOI: https://doi.org/10.1115/GT2020-15369

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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

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

Paper No: GT2020-16074

DOI: https://doi.org/10.1115/GT2020-16074

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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

Stefan aus der Wiesche, Christian Helcig

J. Fluids Eng. March 2020, 142(3): 031108.

Paper No: FE-19-1652

DOI: https://doi.org/10.1115/1.4045862

Published Online: January 24, 2020

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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

Philipp Epple, Manuel Fritsche, Felix Reinker, Stefan aus der Wiesche

Proc. ASME. IMECE2019, Volume 7: Fluids Engineering, V007T08A060, November 11–14, 2019

Paper No: IMECE2019-11417

DOI: https://doi.org/10.1115/IMECE2019-11417

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Topics: Fans

Proceedings Papers

On the Low and High Speed Flow of Gases Through Pillow Plate Channels

Maximilian Passmann, Stefan aus der Wiesche, Eugeny Y. Kenig

Proc. ASME. AJKFluids2019, Volume 1: Fluid Mechanics, V001T01A049, July 28–August 1, 2019

Paper No: AJKFluids2019-4933

DOI: https://doi.org/10.1115/AJKFluids2019-4933

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Topics: Flow (Dynamics), Gases, Computational fluid dynamics, Analytical methods, Engineering simulation, Gasdynamics, Heat exchangers, Mach number, Machinery, Pressure drop

Proceedings Papers

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

Stefan aus der Wiesche

Proc. ASME. AJKFluids2019, Volume 1: Fluid Mechanics, V001T01A027, July 28–August 1, 2019

Paper No: AJKFluids2019-4610

DOI: https://doi.org/10.1115/AJKFluids2019-4610

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Topics: Boundary layers, Convection, Disks, Heat transfer, Prandtl number, Stagnation flow

Proceedings Papers

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

Karsten Hasselmann, Stefan aus der Wiesche, Eugeny Y. Kenig

Proc. ASME. AJKFluids2019, Volume 2: Computational Fluid Dynamics, V002T02A055, July 28–August 1, 2019

Paper No: AJKFluids2019-4843

DOI: https://doi.org/10.1115/AJKFluids2019-4843

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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

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

Paper No: AJKFluids2019-4613

DOI: https://doi.org/10.1115/AJKFluids2019-4613

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Topics: Design, Performance, Signals, Temperature, Temperature measurement, Testing performance, Transients (Dynamics)

Proceedings Papers

CFD-Simulation of Centrifugal Fan Performance Characteristics Using Ideal and Real Gas Models for Air and Organic Fluids

Manuel Fritsche, Philipp Epple, Karsten Hasselmann, Felix Reinker, Robert Wagner, Stefan aus der Wiesche, Hans Russwurm

Proc. ASME. AJKFluids2019, Volume 3A: Fluid Applications and Systems, V03AT03A020, July 28–August 1, 2019

Paper No: AJKFluids2019-4815

DOI: https://doi.org/10.1115/AJKFluids2019-4815

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Topics: Computational fluid dynamics, Fluids, Performance characterization, Simulation

Proceedings Papers

Numerical Calibration of 3D Printed Five-Hole Probes for the Transonic Flow Regime

Maximilian Passmann, Stefan aus der Wiesche, Franz Joos

Proc. ASME. AJKFluids2019, Volume 4: Fluid Measurement and Instrumentation; Micro and Nano Fluid Dynamics, V004T04A017, July 28–August 1, 2019

Paper No: AJKFluids2019-4706

DOI: https://doi.org/10.1115/AJKFluids2019-4706

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Topics: Additive manufacturing, Calibration, Probes, Transonic flow, Cascades (Fluid dynamics), Clearances (Engineering), Mach number, Stainless steel, Turbines, Wind tunnels

Journal Articles

Optimization of Piecewise Conical Nozzles: Theory and Application

Karsten Hasselmann, Stefan aus der Wiesche, Eugeny Y. Kenig

J. Fluids Eng. December 2019, 141(12): 121202.

Paper No: FE-18-1718

DOI: https://doi.org/10.1115/1.4043707

Published Online: June 7, 2019

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Topics: Flow (Dynamics), Nozzles, Pressure, Optimization, Separation (Technology), Design, Flow separation

Proceedings Papers

Optimization of Piece-Wise Conical Nozzles: Theory and Application

Karsten Hasselmann, Muhammad Aiman Bin Khamalrudin, Stefan aus der Wiesche, Eugeny Y. Kenig

Proc. ASME. FEDSM2018, Volume 1: Flow Manipulation and Active Control; Bio-Inspired Fluid Mechanics; Boundary Layer and High-Speed Flows; Fluids Engineering Education; Transport Phenomena in Energy Conversion and Mixing; Turbulent Flows; Vortex Dynamics; DNS/LES and Hybrid RANS/LES Methods; Fluid Structure Interaction; Fluid Dynamics of Wind Energy; Bubble, Droplet, and Aerosol Dynamics, V001T03A003, July 15–20, 2018

Paper No: FEDSM2018-83055

DOI: https://doi.org/10.1115/FEDSM2018-83055

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Topics: Nozzles, Optimization, Computational fluid dynamics, Separation (Technology), Design, Flow separation, Pressure, Shapes, Approximation, Deflection

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Journal citation

NARROW

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

Hot-Wire Anemometry in High Subsonic Organic Vapor Flows

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

Profile Loss of a Printed Transonic Turbine Cascade

Experimental Investigation of High-Speed Flows Past Pillow Plates

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

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

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

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

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

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

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

On the Low and High Speed Flow of Gases Through Pillow Plate Channels

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

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

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

CFD-Simulation of Centrifugal Fan Performance Characteristics Using Ideal and Real Gas Models for Air and Organic Fluids

Numerical Calibration of 3D Printed Five-Hole Probes for the Transonic Flow Regime

Optimization of Piecewise Conical Nozzles: Theory and Application

Optimization of Piece-Wise Conical Nozzles: Theory and Application

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