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Journal Articles

Development of an Additively Manufactured Stationary Diffusion System for a Research Aeroengine Centrifugal Compressor

Jack T. Clement, Adam T. Coon, Nicole L. Key
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. March 2025, 147(3): 031004.
Paper No: TURBO-24-1222
https://doi.org/10.1115/1.4066563
Published Online: October 8, 2024
View Article titled, Development of an Additively Manufactured Stationary Diffusion System for a Research Aeroengine Centrifugal Compressor
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Topics: Additive manufacturing, Compressors, Diffusers, Diffusion (Physics), Instrumentation, Manufacturing, Pressure, Resins, Temperature, Stereolithography
Journal Articles

Guideline for Large-Scale Analysis of Centrifugal Blower Using Wall-Resolved Large Eddy Simulation

Kazuhiro Tsukamoto, Chisachi Kato
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. February 2025, 147(2): 021005.
Paper No: TURBO-24-1116
https://doi.org/10.1115/1.4066277
Published Online: October 7, 2024
View Article titled, Guideline for Large-Scale Analysis of Centrifugal Blower Using Wall-Resolved Large Eddy Simulation
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Topics: Diffusers, Flow (Dynamics), Impellers, Pressure, Resolution (Optics), Design, Blades, Large eddy simulation
Journal Articles

Investigation of the Map Width Improvement in a Radially Reduced Diffuser Design Concept for a Centrifugal Compressor

Laura McLaughlin, Stephen Spence, Daniel Rusch, Charles Stuart, Marco Geron, Kwok Kai So, Magnus Fischer
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. November 2024, 146(11): 111001.
Paper No: TURBO-23-1125
https://doi.org/10.1115/1.4065373
Published Online: May 23, 2024
View Article titled, Investigation of the Map Width Improvement in a Radially Reduced Diffuser Design Concept for a Centrifugal Compressor
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Topics: Compressors, Design, Diffusers, Flow (Dynamics), Pressure, Shapes
Journal Articles

An Open–Closed Flow Separation in a Compressor Radial Diffuser

Pierre Duquesne, Jerome Dombard, Nicolas Poujol, Alexis Giauque
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 2024, 146(10): 101011.
Paper No: TURBO-23-1307
https://doi.org/10.1115/1.4065413
Published Online: May 8, 2024
View Article titled, An Open–Closed Flow Separation in a Compressor Radial Diffuser
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Topics: Blades, Compressors, Diffusers, Flow separation, Pressure, Separation (Technology), Flow (Dynamics), Skin friction (Fluid dynamics)
Journal Articles

Unsteady Pre-Stall Behavior in a Centrifugal Compressor With Vaned Diffuser

Yutaro Suzuki, Nobumichi Fujisawa, Yutaka Ohta
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. April 2024, 146(4): 041006.
Paper No: TURBO-23-1255
https://doi.org/10.1115/1.4064136
Published Online: December 15, 2023
View Article titled, Unsteady Pre-Stall Behavior in a Centrifugal Compressor With Vaned Diffuser
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Topics: Compressors, Diffusers, Flow (Dynamics), Computational fluid dynamics, Impellers
Journal Articles

A Method for Preliminary Design of Variable Geometry Vaned Diffuser for Centrifugal Compressor

Hideaki Tamaki, Satoshi Yamaguchi
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. March 2024, 146(3): 031014.
Paper No: TURBO-23-1226
https://doi.org/10.1115/1.4064083
Published Online: December 14, 2023
View Article titled, A Method for Preliminary Design of Variable Geometry Vaned Diffuser for Centrifugal Compressor
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Topics: Compressors, Design, Diffusers, Geometry, Pressure, Impellers, Flow (Dynamics)
Journal Articles

Experimental and Computational Investigation of Shaped Film Cooling Holes Designed to Minimize Inlet Separation

Fraser B. Jones, Dale W. Fox, David G. Bogard
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. September 2023, 145(9): 091007.
Paper No: TURBO-21-1007
https://doi.org/10.1115/1.4062460
Published Online: June 9, 2023
View Article titled, Experimental and Computational Investigation of Shaped Film Cooling Holes Designed to Minimize Inlet Separation
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Topics: Coolants, Film cooling, Flow (Dynamics), Separation (Technology), Diffusers, Temperature, Simulation
Journal Articles

On the Effect of Side Clearance in the Vaned Diffuser of a Centrifugal Compressor

Lee Gibson, Stephen Spence, Charles Stuart, Andre Starke, Sung In Kim
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. July 2023, 145(7): 071006.
Paper No: TURBO-22-1334
https://doi.org/10.1115/1.4056714
Published Online: February 10, 2023
View Article titled, On the Effect of Side Clearance in the Vaned Diffuser of a Centrifugal Compressor
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Topics: Clearances (Engineering), Compressors, Computational fluid dynamics, Diffusers, Flow (Dynamics), Geometry, Pressure, Surges, Stability
Journal Articles

Printability and Overall Cooling Performance of Additively Manufactured Holes With Inlet and Exit Rounding

Emma M. Veley, Karen A. Thole, Michael T. Furgeson, David G. Bogard
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. March 2023, 145(3): 031017.
Paper No: TURBO-22-1188
https://doi.org/10.1115/1.4056389
Published Online: January 6, 2023
View Article titled, Printability and Overall Cooling Performance of Additively Manufactured Holes With Inlet and Exit Rounding
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Topics: Cooling, Film cooling, Design, Coolants, Diffusers
Journal Articles

Some Properties of the Exit Velocity Triangle of a Radial Compressor Impeller

Michael Casey, Christopher Robinson
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. May 2023, 145(5): 051007.
Paper No: TURBO-22-1225
https://doi.org/10.1115/1.4056088
Published Online: November 25, 2022
View Article titled, Some Properties of the Exit Velocity Triangle of a Radial Compressor Impeller
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Topics: Flow (Dynamics), Impellers, Diffusers, Design
Journal Articles

An Investigation of Non-Linear Surge Characteristic in a High-Speed Centrifugal Compressor

Yoshihiro Hayashi, Teng Cao
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. May 2023, 145(5): 051010.
Paper No: TURBO-22-1284
https://doi.org/10.1115/1.4056089
Published Online: November 25, 2022
View Article titled, An Investigation of Non-Linear Surge Characteristic in a High-Speed Centrifugal Compressor
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Topics: Compressors, Diffusers, Flow (Dynamics), Impellers, Pressure, Surges, Stability
Journal Articles

Investigation of Surge in a Transonic Centrifugal Compressor With Vaned Diffuser—Part I: Surge Signature

Fangyuan Lou, Herbert M. Harrison, Nicole L. Key
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. May 2023, 145(5): 051003.
Paper No: TURBO-22-1146
https://doi.org/10.1115/1.4055866
Published Online: November 8, 2022
View Article titled, Investigation of Surge in a Transonic Centrifugal Compressor With Vaned Diffuser—Part I: Surge Signature
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Topics: Compressors, Diffusers, Surges, Impellers, Pressure
Journal Articles

Investigation of Surge in a Transonic Centrifugal Compressor With Vaned Diffuser: Part II—Correlation With Subcomponent Characteristics

Fangyuan Lou, Herbert M. Harrison, William J. Brown, Nicole L. Key
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. May 2023, 145(5): 051004.
Paper No: TURBO-22-1147
https://doi.org/10.1115/1.4055865
Published Online: November 8, 2022
View Article titled, Investigation of Surge in a Transonic Centrifugal Compressor With Vaned Diffuser: Part II—Correlation With Subcomponent Characteristics
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Topics: Compressors, Diffusers, Flow (Dynamics), Impellers, Pressure, Stability, Surges, Mach number, Shock (Mechanics)
Journal Articles

New Concept for Design in Turbomachinery Applications Using Full RANS Gradient Methodology

Armando Del Rio, Ernesto Casartelli, Benno Fleischli, Luca Mangani
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. April 2023, 145(4): 041009.
Paper No: TURBO-22-1256
https://doi.org/10.1115/1.4055869
Published Online: November 7, 2022
View Article titled, New Concept for Design in Turbomachinery Applications Using Full RANS Gradient Methodology
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Topics: Compressors, Computational fluid dynamics, Deformation, Design, Diffusers, Flow (Dynamics), Geometry, Machinery, Optimization, Pressure
Journal Articles

Annular Dump Diffuser and Deswirl System for Back-Pressure Control in Engine-Scale Transonic Annular Cascade

Mathias Michaud, Francesco Ornano, Thomas Povey
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. April 2023, 145(4): 041006.
Paper No: TURBO-21-1089
https://doi.org/10.1115/1.4055863
Published Online: November 4, 2022
View Article titled, Annular Dump Diffuser and Deswirl System for Back-Pressure Control in Engine-Scale Transonic Annular Cascade
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Topics: Flow (Dynamics), Pressure, Nozzle guide vanes, Design, Diffusers, Computational fluid dynamics
Journal Articles

Stall Behavior in an Ultrahigh-Pressure-Ratio Centrifugal Compressor: Backward-Traveling Rotating Stall

Yingjie Zhang, Xingen Lu, Yanfeng Zhang, Ziqing Zhang, Xu Dong, Ge Han
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 2022, 144(10): 101010.
Paper No: TURBO-20-1318
https://doi.org/10.1115/1.4050918
Published Online: April 21, 2022
View Article titled, Stall Behavior in an Ultrahigh-Pressure-Ratio Centrifugal Compressor: Backward-Traveling Rotating Stall
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Topics: Blades, Compressors, Diffusers, Flow (Dynamics), Impellers, Pressure, Rotation, Waves, Separation (Technology), Suction
Journal Articles

Effects on Film Cooling Performance in the Showerhead From Geometric Parameterization of Shaped Hole Designs

Jacob D. Moore, Christopher C. Easterby, David G. Bogard
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. September 2022, 144(9): 091006.
Paper No: TURBO-21-1217
https://doi.org/10.1115/1.4053723
Published Online: March 4, 2022
View Article titled, Effects on Film Cooling Performance in the Showerhead From Geometric Parameterization of Shaped Hole Designs
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Topics: Coolants, Design, Film cooling, Flow (Dynamics), Blades, Temperature, Discharge coefficient, Diffusers
Journal Articles

Investigation of the Flow Field and the Pressure Recovery in a Gas Turbine Exhaust Diffuser at Design, Part-Load, and Over-Load Conditions

Maximilian Bauer, Simon Hummel, Markus Schatz, Martin Kegalj, Damian M. Vogt
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. August 2022, 144(8): 081010.
Paper No: TURBO-20-1269
https://doi.org/10.1115/1.4053836
Published Online: March 4, 2022
View Article titled, Investigation of the Flow Field and the Pressure Recovery in a Gas Turbine Exhaust Diffuser at Design, Part-Load, and Over-Load Conditions
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Topics: Computational fluid dynamics, Design, Diffusers, Flow (Dynamics), Pressure, Stress, Gas turbines, Struts (Engineering), Wakes, Separation (Technology)
Journal Articles

Film Cooling Effectiveness Measurement of Fan-Shaped Holes Manufactured Using Electrical Discharge Machining Technique

S. Rouina, H. Abdeh, G. Barigozzi, V. Odemondo, L. Abba, M. Iannone
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. July 2022, 144(7): 071008.
Paper No: TURBO-21-1204
https://doi.org/10.1115/1.4053236
Published Online: March 2, 2022
View Article titled, Film Cooling Effectiveness Measurement of Fan-Shaped Holes Manufactured Using Electrical Discharge Machining Technique
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Topics: Coolants, Electrical discharge machining, Film cooling, Manufacturing, Diffusers, Pressure, Flat plates, Flow (Dynamics), Reynolds number
Journal Articles

Application of Advanced RANS Turbulence Models for the Prediction of Turbomachinery Flows

Ernesto Casartelli, Luca Mangani, David Roos Launchbury, Armando Del Rio
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. January 2022, 144(1): 011008.
Paper No: TURBO-20-1320
https://doi.org/10.1115/1.4051938
Published Online: September 15, 2021
View Article titled, Application of Advanced RANS Turbulence Models for the Prediction of Turbomachinery Flows
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Topics: Diffusers, Flow (Dynamics), Pressure, Turbulence, Reynolds-averaged Navier–Stokes equations, Turbomachinery, Compressors, Anisotropy