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Reinhard Niehuis
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Proceedings Papers

On Intake-Compressor Interactions Within an Integrated Propulsion System

Rudolf P. M. Rademakers, Marcel Stößel, Dragan Kožulović, Reinhard Niehuis
Proc. ASME. GT2024, Volume 12C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V12CT33A013, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-128168
https://doi.org/10.1115/GT2024-128168
View Paper titled, On Intake-Compressor Interactions Within an Integrated Propulsion System
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Topics: Compressors, Ducts, Flow (Dynamics), Propulsion systems
Journal Articles

Loss Characterization of Advanced VIGV Configurations With Adjustable Blade Geometry

Roman G. Frank, Christian Wacker, Reinhard Niehuis
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. March 2022, 144(3): 031012.
Paper No: TURBO-21-1175
https://doi.org/10.1115/1.4052409
Published Online: November 2, 2021
View Article titled, Loss Characterization of Advanced VIGV Configurations With Adjustable Blade Geometry
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Topics: Blades, Flow (Dynamics)
Proceedings Papers

Adaptive Geometry Representation of Turbine Vane Frames for Use in Optimization

Sebastian F. Riebl, Christian Wakelam, Reinhard Niehuis
Proc. ASME. GT2021, Volume 2C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V02CT34A006, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-58749
https://doi.org/10.1115/GT2021-58749
View Paper titled, Adaptive Geometry Representation of Turbine Vane Frames for Use in Optimization
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Topics: Geometry, Optimization, Turbines, Blades, Design, Parametrization, Airfoils, Bearings, Computational fluid dynamics, Computer-aided design
Proceedings Papers

Loss Characterization of Advanced VIGV Configurations With Adjustable Blade Geometry

Roman G. Frank, Christian Wacker, Reinhard Niehuis
Proc. ASME. GT2021, Volume 2D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V02DT37A002, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-58548
https://doi.org/10.1115/GT2021-58548
View Paper titled, Loss Characterization of Advanced VIGV Configurations With Adjustable Blade Geometry
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Topics: Blades, Geometry, Flow (Dynamics), Compressors, Cascades (Fluid dynamics), Chords (Trusses), Deflection, Flow separation, Impellers, Inlet guide vanes
Proceedings Papers

Numerical Investigation of Loss Development in a Low-Pressure Turbine Cascade With Unsteady Inflow and Varying Inlet Endwall Boundary Layer

Tobias Schubert, Reinhard Niehuis
Proc. ASME. GT2021, Volume 2B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing, V02BT32A010, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59606
https://doi.org/10.1115/GT2021-59606
View Paper titled, Numerical Investigation of Loss Development in a Low-Pressure Turbine Cascade With Unsteady Inflow and Varying Inlet Endwall Boundary Layer
Open the PDF for Numerical Investigation of Loss Development in a Low-Pressure Turbine Cascade With Unsteady Inflow and Varying Inlet Endwall Boundary Layer in another window
Topics: Boundary layers, Cascades (Fluid dynamics), Inflow, Pressure, Turbines, Blades, Flow (Dynamics), Wakes, Engineering simulation, Engines
Journal Articles

Accurate Boundary Layer Measurements Using Hot-Wire Anemometry—Improvements and Error Analysis

Silvio Chemnitz, Reinhard Niehuis
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Research Papers
J. Energy Resour. Technol. January 2022, 144(1): 012110.
Paper No: JERT-20-2110
https://doi.org/10.1115/1.4051095
Published Online: May 27, 2021
View Article titled, Accurate Boundary Layer Measurements Using Hot-Wire Anemometry—Improvements and Error Analysis
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Topics: Boundary layers, Errors, Heat, Uncertainty, Wire, Probes, Sensors, Error analysis
Journal Articles

Steady and Unsteady Temperature Measurements in the Wake of a Linear Cascade With Heated Airfoils

Svenja Aberle-Kern, Thomas Ripplinger, Reinhard Niehuis
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. August 2021, 143(8): 081004.
Paper No: TURBO-20-1351
https://doi.org/10.1115/1.4050435
Published Online: April 26, 2021
View Article titled, Steady and Unsteady Temperature Measurements in the Wake of a Linear Cascade With Heated Airfoils
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Topics: Blades, Cascades (Fluid dynamics), Flow (Dynamics), Pressure, Probes, Temperature, Vortices, Wakes, Wire, Heat transfer
Journal Articles

Dynamics of Shock Waves Interacting With Laminar Separated Transonic Turbine Flow Investigated by High-Speed Schlieren and Surface Hot-Film Sensors

Marcel Börner, Reinhard Niehuis
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. May 2021, 143(5): 051010.
Paper No: TURBO-20-1249
https://doi.org/10.1115/1.4050330
Published Online: April 13, 2021
View Article titled, Dynamics of Shock Waves Interacting With Laminar Separated Transonic Turbine Flow Investigated by High-Speed Schlieren and Surface Hot-Film Sensors
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Topics: Boundary layers, Flow (Dynamics), Mach number, Sensors, Separation (Technology), Shock waves, Turbines, Suction, Cascades (Fluid dynamics), Bubbles
Journal Articles

On High-Resolution Pressure Amplitude and Phase Measurements Comparing Fast-Response Pressure Transducers and Unsteady Pressure-Sensitive Paint

Martin Bitter, Stephan Stotz, Reinhard Niehuis
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. March 2021, 143(3): 031012.
Paper No: TURBO-20-1254
https://doi.org/10.1115/1.4050118
Published Online: March 3, 2021
View Article titled, On High-Resolution Pressure Amplitude and Phase Measurements Comparing Fast-Response Pressure Transducers and Unsteady Pressure-Sensitive Paint
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Topics: Blades, Pressure, Pressure transducers, Wakes, Flow (Dynamics), Generators
Journal Articles

The Effects of Inlet Boundary Layer Condition and Periodically Incoming Wakes on Secondary Flow in a Low Pressure Turbine Cascade

Tobias Schubert, Silvio Chemnitz, Reinhard Niehuis
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. April 2021, 143(4): 041001.
Paper No: TURBO-20-1250
https://doi.org/10.1115/1.4050116
Published Online: March 2, 2021
View Article titled, The Effects of Inlet Boundary Layer Condition and Periodically Incoming Wakes on Secondary Flow in a Low Pressure Turbine Cascade
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Topics: Blades, Boundary layers, Cascades (Fluid dynamics), Design, Flow (Dynamics), Inflow, Pressure, Turbines, Wakes, Flat plates
Proceedings Papers

The Effects of Inlet Boundary Layer Condition and Periodically Incoming Wakes on Secondary Flow in a Low Pressure Turbine Cascade

Tobias Schubert, Silvio Chemnitz, Reinhard Niehuis
Proc. ASME. GT2020, Volume 2B: Turbomachinery, V02BT33A001, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14242
https://doi.org/10.1115/GT2020-14242
View Paper titled, The Effects of Inlet Boundary Layer Condition and Periodically Incoming Wakes on Secondary Flow in a Low Pressure Turbine Cascade
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Topics: Boundary layers, Cascades (Fluid dynamics), Flow (Dynamics), Pressure, Turbines, Wakes, Design, Inflow, Blades, Flat plates
Proceedings Papers

Dynamics of Shock Waves Interacting With Laminar Separated Transonic Turbine Flow Investigated by High-Speed Schlieren and Surface Hot-Film Sensors

Marcel Börner, Reinhard Niehuis
Proc. ASME. GT2020, Volume 2B: Turbomachinery, V02BT33A005, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14386
https://doi.org/10.1115/GT2020-14386
View Paper titled, Dynamics of Shock Waves Interacting With Laminar Separated Transonic Turbine Flow Investigated by High-Speed Schlieren and Surface Hot-Film Sensors
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Topics: Dynamics (Mechanics), Flow (Dynamics), Sensors, Shock waves, Turbines, Bubbles, Separation (Technology), Boundary layers, Mach number, Suction
Proceedings Papers

Investigation of the Loss Generation in a Turning Vane Frame at Different Inlet Turbulence Conditions

Sebastian F. Riebl, Christian Wakelam, Reinhard Niehuis
Proc. ASME. GT2020, Volume 2D: Turbomachinery, V02DT36A003, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14166
https://doi.org/10.1115/GT2020-14166
View Paper titled, Investigation of the Loss Generation in a Turning Vane Frame at Different Inlet Turbulence Conditions
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Topics: Turbulence, Turning vanes, Flow (Dynamics), Pressure, Turbines, Vortices, Blades, Boundary layers, Engineering simulation, Entropy
Proceedings Papers

On High-Resolution Pressure Amplitude and Phase Measurements Comparing Fast-Response Pressure Transducers and Unsteady Pressure-Sensitive Paint

Martin Bitter, Stephan Stotz, Reinhard Niehuis
Proc. ASME. GT2020, Volume 2E: Turbomachinery, V02ET41A037, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-16194
https://doi.org/10.1115/GT2020-16194
View Paper titled, On High-Resolution Pressure Amplitude and Phase Measurements Comparing Fast-Response Pressure Transducers and Unsteady Pressure-Sensitive Paint
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Topics: Paints, Pressure, Pressure transducers, Resolution (Optics), Cascades (Fluid dynamics), Flow (Dynamics), Wakes, Blades, Dynamics (Mechanics), Engines
Proceedings Papers

Steady and Unsteady Temperature Measurements in the Wake of a Linear Cascade With Heated Airfoils

Svenja Aberle-Kern, Thomas Ripplinger, Reinhard Niehuis
Proc. ASME. GT2020, Volume 7C: Heat Transfer, V07CT13A004, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14442
https://doi.org/10.1115/GT2020-14442
View Paper titled, Steady and Unsteady Temperature Measurements in the Wake of a Linear Cascade With Heated Airfoils
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Topics: Airfoils, Cascades (Fluid dynamics), Temperature measurement, Wakes, Temperature, Fluctuations (Physics), Heat transfer, Wire, Compressors, Probes
Journal Articles

A Comparison of Turbulence Levels From Particle Image Velocimetry and Constant Temperature Anemometry Downstream of a Low-Pressure Turbine Cascade at High-Speed Flow Conditions

Silvio Chemnitz, Reinhard Niehuis
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. July 2020, 142(7): 071008.
Paper No: TURBO-19-1251
https://doi.org/10.1115/1.4046272
Published Online: June 30, 2020
View Article titled, A Comparison of Turbulence Levels From Particle Image Velocimetry and Constant Temperature Anemometry Downstream of a Low-Pressure Turbine Cascade at High-Speed Flow Conditions
Open the PDF for A Comparison of Turbulence Levels From Particle Image Velocimetry and Constant Temperature Anemometry Downstream of a Low-Pressure Turbine Cascade at High-Speed Flow Conditions in another window
Topics: Cascades (Fluid dynamics), Flow (Dynamics), Particulate matter, Pressure, Probes, Temperature, Turbines, Turbulence, Wakes, Wire
Proceedings Papers

A Comparison of Turbulence Levels From PIV and CTA Downstream of a Low-Pressure Turbine Cascade at High-Speed Flow Conditions

Silvio Chemnitz, Reinhard Niehuis
Proc. ASME. GT2019, Volume 2B: Turbomachinery, V02BT40A010, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90473
https://doi.org/10.1115/GT2019-90473
View Paper titled, A Comparison of Turbulence Levels From PIV and CTA Downstream of a Low-Pressure Turbine Cascade at High-Speed Flow Conditions
Open the PDF for A Comparison of Turbulence Levels From PIV and CTA Downstream of a Low-Pressure Turbine Cascade at High-Speed Flow Conditions in another window
Topics: Cascades (Fluid dynamics), Flow (Dynamics), Pressure, Turbines, Turbulence, Probes, Density, Engines, Geometry, Numerical analysis
Journal Articles

Implementation of an In-Situ Infrared Calibration Method for Precise Heat Transfer Measurements on a Linear Cascade

Svenja Aberle, Martin Bitter, Florian Hoefler, Jorge Carretero Benignos, Reinhard Niehuis
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. February 2019, 141(2): 021004.
Paper No: TURBO-18-1034
https://doi.org/10.1115/1.4041132
Published Online: January 16, 2019
View Article titled, Implementation of an In-Situ Infrared Calibration Method for Precise Heat Transfer Measurements on a Linear Cascade
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Topics: Calibration, Cascades (Fluid dynamics), Temperature, Heat transfer coefficients, Heat transfer, Blades
Proceedings Papers

Interaction Phenomena of High Frequency Pulsed Blowing in LP Turbine-Like Boundary Layers at High Speed Test Conditions

Valentin Bettrich, Martin Bitter, Reinhard Niehuis
Proc. ASME. GT2018, Volume 2B: Turbomachinery, V02BT41A007, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75475
https://doi.org/10.1115/GT2018-75475
View Paper titled, Interaction Phenomena of High Frequency Pulsed Blowing in LP Turbine-Like Boundary Layers at High Speed Test Conditions
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Topics: Boundary layers, Turbines, Flow (Dynamics), Actuators, Flow control, Pressure, Suction, Flat plates, Flow separation, Mach number
Proceedings Papers

Numerical Flow Field Analysis in a Highly Bent Intake Duct

Jakob P. Haug, Rudolf P. M. Rademakers, Marcel Stößel, Reinhard Niehuis
Proc. ASME. GT2018, Volume 2B: Turbomachinery, V02BT43A007, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-76633
https://doi.org/10.1115/GT2018-76633
View Paper titled, Numerical Flow Field Analysis in a Highly Bent Intake Duct
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Topics: Ducts, Flow (Dynamics), Engines, Flow separation, Shapes, Vortices, Aerodynamics, Aircraft, Compressors, Computational fluid dynamics