Volume 143 Issue 9 | J. Turbomach. | ASME Digital Collection

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Research Papers

Uncertainty Evaluation on Multi-Hole Aerodynamic Pressure Probes

Andrea Notaristefano, Paolo Gaetani, Vincenzo Dossena, Alberto Fusetti

J. Turbomach. September 2021, 143(9): 091001. doi: https://doi.org/10.1115/1.4050452

Abstract

View articletitled, Uncertainty Evaluation on Multi-Hole Aerodynamic Pressure Probes

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Topics: Calibration , Pressure , Probes , Uncertainty , Transducers , Flow (Dynamics)

High-Fidelity Simulations of a High-Pressure Turbine Vane Subject to Large Disturbances: Effect of Exit Mach Number on Losses

Yaomin Zhao, Richard D. Sandberg

J. Turbomach. September 2021, 143(9): 091002. doi: https://doi.org/10.1115/1.4050453

Abstract

View articletitled, High-Fidelity Simulations of a High-Pressure Turbine Vane Subject to Large Disturbances: Effect of Exit Mach Number on Losses

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Topics: Blades , Boundary layers , Entropy , Flow (Dynamics) , Mach number , Shock (Mechanics) , Simulation , Turbulence , Turbines , Pressure

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

Abstract

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

An Experimental, Aerodynamic Evaluation of Design Choices for a Low-Pressure Compressor Transition Duct

A. Duncan Walker, Ian Mariah, Chris Hall

J. Turbomach. September 2021, 143(9): 091004. doi: https://doi.org/10.1115/1.4050598

Abstract

View articletitled, An Experimental, Aerodynamic Evaluation of Design Choices for a Low-Pressure Compressor Transition Duct

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Topics: Compressors , Design , Ducts , Flow (Dynamics) , Pressure , Struts (Engineering) , Rotors

Effects of Turning Angle and Turning Internal Radius on Channel Impingement Cooling for a Novel Internal Cooling Structure

Wei He, Qinghua Deng, Guoying Yang, Zhenping Feng

J. Turbomach. September 2021, 143(9): 091005. doi: https://doi.org/10.1115/1.4050608

Abstract

View articletitled, Effects of Turning Angle and Turning Internal Radius on Channel Impingement Cooling for a Novel Internal Cooling Structure

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Topics: Coolants , Cooling , Flow (Dynamics) , Heat transfer , Impingement cooling , Pressure , Reynolds number , Turbulence , Turning angles , Vortices

Unsteady Steam Turbine Optimization Using High-Fidelity Computational Fluid Dynamics

Vahid Iranidokht, Ilias Papagiannis, Anestis I. Kalfas, Reza S. Abhari, Shigeki Senoo, Kazuhiro Momma

J. Turbomach. September 2021, 143(9): 091006. doi: https://doi.org/10.1115/1.4050441

Abstract

View articletitled, Unsteady Steam Turbine Optimization Using High-Fidelity Computational Fluid Dynamics

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Topics: Computational fluid dynamics , Flow (Dynamics) , Geometry , Optimization , Pressure , Rotors , Steam turbines , Blades , Cavities , Turbines

Comparison of Endwall Loss Reduction Techniques in a High-Lift Turbine Passage

Christopher R. Marks, Nathan Fletcher, Rolf Sondergaard

J. Turbomach. September 2021, 143(9): 091007. doi: https://doi.org/10.1115/1.4050599

Abstract

View articletitled, Comparison of Endwall Loss Reduction Techniques in a High-Lift Turbine Passage

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Topics: Flow (Dynamics) , Jets , Pressure , Turbines , Vortices , Design , Cascades (Fluid dynamics) , Separation (Technology) , Blades , Suction

A Robust Implementation of a Reynolds Stress Model for Turbomachinery Applications in a Coupled Solver Environment

David Roos Launchbury, Luca Mangani, Ernesto Casartelli, Francesco Del Citto

J. Turbomach. September 2021, 143(9): 091008. doi: https://doi.org/10.1115/1.4050604

Abstract

View articletitled, A Robust Implementation of a Reynolds Stress Model for Turbomachinery Applications in a Coupled Solver Environment

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Topics: Stress , Turbulence , Simulation , Pressure , Compressors , Stability , Wake turbulence , Turbomachinery

Effects of Axial Casing Grooves on the Structure of Turbulence in the Tip Region of an Axial Turbomachine Rotor

Huang Chen, Yuanchao Li, Subhra Shankha Koley, Joseph Katz

J. Turbomach. September 2021, 143(9): 091009. doi: https://doi.org/10.1115/1.4050605

Abstract

View articletitled, Effects of Axial Casing Grooves on the Structure of Turbulence in the Tip Region of an Axial Turbomachine Rotor

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Topics: Flow (Dynamics) , Stress , Turbulence , Corners (Structural elements) , Vortices , Blades , Anisotropy , Turbomachinery , Shear (Mechanics)

Effect of Axial Casing Groove Geometry on Rotor-Groove Interactions in the Tip Region of a Compressor

Subhra Shankha Koley, Huang Chen, Ayush Saraswat, Joseph Katz

J. Turbomach. September 2021, 143(9): 091010. doi: https://doi.org/10.1115/1.4050607

Abstract

View articletitled, Effect of Axial Casing Groove Geometry on Rotor-Groove Interactions in the Tip Region of a Compressor

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Topics: Blades , Flow (Dynamics) , Outflow , Rotors , Compressors

Computational and Experimental Study of the Unsteady Convection of Entropy Waves Within a High-Pressure Turbine Stage

Lorenzo Pinelli, Michele Marconcini, Roberto Pacciani, Paolo Gaetani, Giacomo Persico

J. Turbomach. September 2021, 143(9): 091011. doi: https://doi.org/10.1115/1.4050600

Abstract

View articletitled, Computational and Experimental Study of the Unsteady Convection of Entropy Waves Within a High-Pressure Turbine Stage

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Topics: Blades , Entropy , Flow (Dynamics) , Rotors , Stators , Temperature , Turbines , Waves , Fluctuations (Physics) , Pressure

Detailed Experimental Study of the Flow in a Turbine Rear Structure at Engine-Realistic Flow Conditions

Valentin Vikhorev, Valery Chernoray, Oskar Thulin, Srikanth Deshpande, Jonas Larsson

J. Turbomach. September 2021, 143(9): 091012. doi: https://doi.org/10.1115/1.4050451

Abstract

View articletitled, Detailed Experimental Study of the Flow in a Turbine Rear Structure at Engine-Realistic Flow Conditions

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Topics: Design , Engines , Flow (Dynamics) , Pressure , Turbines , Suction

Effect of Tip Clearance on Rotating Stall in a Mixed-Flow Pump

Wei Li, Leilei Ji, Enda Li, Ling Zhou, Ramesh K. Agarwal

J. Turbomach. September 2021, 143(9): 091013. doi: https://doi.org/10.1115/1.4050625

Abstract

View articletitled, Effect of Tip Clearance on Rotating Stall in a Mixed-Flow Pump

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Topics: Blades , Clearances (Engineering) , Flow (Dynamics) , Leakage flows , Pumps , Impellers , Vortices , Leakage

Acoustic Resonance in an Axial Multistage Compressor Leading to Non-Synchronous Blade Vibration

Anne-Lise Fiquet, Stéphane Aubert, Christoph Brandstetter, Nicolas Buffaz, Agathe Vercoutter

J. Turbomach. September 2021, 143(9): 091014. doi: https://doi.org/10.1115/1.4050626

Abstract

View articletitled, Acoustic Resonance in an Axial Multistage Compressor Leading to Non-Synchronous Blade Vibration

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Topics: Acoustics , Blades , Compressors , Resonance , Rotors , Simulation , Vibration , Waves , Pressure , Flow (Dynamics)

Heat Transfer and Pressure Loss in a Two-Pass, Rectangular Channel Featuring a Reduced Cross-Sectional Area After the 180-Deg Tip Turn With Different Turning Vane Configurations

Sulaiman M. Alsaleem, Lesley M. Wright, Je-Chin Han

J. Turbomach. September 2021, 143(9): 091015. doi: https://doi.org/10.1115/1.4050627

Abstract

View articletitled, Heat Transfer and Pressure Loss in a Two-Pass, Rectangular Channel Featuring a Reduced Cross-Sectional Area After the 180-Deg Tip Turn With Different Turning Vane Configurations

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Topics: Heat transfer , Turning vanes , Pressure , Flow (Dynamics) , Reynolds number

Influence of Boundary Layer Skew on the Tip Leakage Vortex of an Axial Compressor Stator

Björn Koppe, Martin Lange, Ronald Mailach

J. Turbomach. September 2021, 143(9): 091016. doi: https://doi.org/10.1115/1.4050628

Abstract

View articletitled, Influence of Boundary Layer Skew on the Tip Leakage Vortex of an Axial Compressor Stator

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Topics: Clearances (Engineering) , Computational fluid dynamics , Flow (Dynamics) , Pressure , Stators , Vortices , Compressors , Leakage , Boundary layers

Adiabatic Effectiveness and Thermal Field Measurements of a Shaped Hole in the Showerhead of a Model Turbine Blade

Jacob D. Moore, Matthew J. Horner, David G. Bogard

J. Turbomach. September 2021, 143(9): 091017. doi: https://doi.org/10.1115/1.4051557

Abstract

View articletitled, Adiabatic Effectiveness and Thermal Field Measurements of a Shaped Hole in the Showerhead of a Model Turbine Blade

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Topics: Blades , Coolants , Film cooling , Flow (Dynamics) , Temperature , Pressure , Discharge coefficient , Jets , Turbine blades

Experimental and Numerical Study of an Open Impeller Centrifugal Compressor Stage Utilizing Three-Dimensional (3D) Diffuser End Wall Contouring for Operating Range Extension

Daniel Hermann, Manfred Wirsum, Douglas Robinson, Philipp Jenny

J. Turbomach. September 2021, 143(9): 091018. doi: https://doi.org/10.1115/1.4051045

Abstract

View articletitled, Experimental and Numerical Study of an Open Impeller Centrifugal Compressor Stage Utilizing Three-Dimensional (3D) Diffuser End Wall Contouring for Operating Range Extension

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Topics: Design , Diffusers , Flow (Dynamics) , Mach number , Stability , Compressors , Impellers , Computational fluid dynamics

“I-Spots” and Emmons’ Spot Production Rate

Robert E. Mayle, Matthias Stripf

J. Turbomach. September 2021, 143(9): 091019. doi: https://doi.org/10.1115/1.4051105

Abstract

View articletitled, “I-Spots” and Emmons’ Spot Production Rate

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Topics: Flow (Dynamics) , Turbulence , Probability

Assessment of the Loss Map of a Centrifugal Compressor's External Volute

Thomas Ceyrowsky, Andre Hildebrandt, Martin Heinrich, Rüdiger Schwarze

J. Turbomach. September 2021, 143(9): 091020. doi: https://doi.org/10.1115/1.4050387

Abstract

View articletitled, Assessment of the Loss Map of a Centrifugal Compressor's External Volute

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Topics: Design , Diffusers , Flow (Dynamics) , Mach number , Shapes , Pressure , Compressors , Computational fluid dynamics , Impellers , Vaneless diffusers

Research Papers

Uncertainty Evaluation on Multi-Hole Aerodynamic Pressure Probes

High-Fidelity Simulations of a High-Pressure Turbine Vane Subject to Large Disturbances: Effect of Exit Mach Number on Losses

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

An Experimental, Aerodynamic Evaluation of Design Choices for a Low-Pressure Compressor Transition Duct

Effects of Turning Angle and Turning Internal Radius on Channel Impingement Cooling for a Novel Internal Cooling Structure

Unsteady Steam Turbine Optimization Using High-Fidelity Computational Fluid Dynamics

Comparison of Endwall Loss Reduction Techniques in a High-Lift Turbine Passage

A Robust Implementation of a Reynolds Stress Model for Turbomachinery Applications in a Coupled Solver Environment

Effects of Axial Casing Grooves on the Structure of Turbulence in the Tip Region of an Axial Turbomachine Rotor

Effect of Axial Casing Groove Geometry on Rotor-Groove Interactions in the Tip Region of a Compressor

Computational and Experimental Study of the Unsteady Convection of Entropy Waves Within a High-Pressure Turbine Stage

Detailed Experimental Study of the Flow in a Turbine Rear Structure at Engine-Realistic Flow Conditions

Effect of Tip Clearance on Rotating Stall in a Mixed-Flow Pump

Acoustic Resonance in an Axial Multistage Compressor Leading to Non-Synchronous Blade Vibration

Heat Transfer and Pressure Loss in a Two-Pass, Rectangular Channel Featuring a Reduced Cross-Sectional Area After the 180-Deg Tip Turn With Different Turning Vane Configurations

Influence of Boundary Layer Skew on the Tip Leakage Vortex of an Axial Compressor Stator

Adiabatic Effectiveness and Thermal Field Measurements of a Shaped Hole in the Showerhead of a Model Turbine Blade

Experimental and Numerical Study of an Open Impeller Centrifugal Compressor Stage Utilizing Three-Dimensional (3D) Diffuser End Wall Contouring for Operating Range Extension

“I-Spots” and Emmons’ Spot Production Rate

Assessment of the Loss Map of a Centrifugal Compressor's External Volute

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