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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
Article Type: Research Papers
J. Turbomach. July 2023, 145(7): 071006.
Paper No: TURBO-22-1334
DOI: 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
Article Type: Research Papers
J. Turbomach. March 2023, 145(3): 031017.
Paper No: TURBO-22-1188
DOI: 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
Click here to open pdf in another window PDF for Printability and Overall Cooling Performance of Additively Manufactured Holes With Inlet and Exit Rounding
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
Article Type: Research Papers
J. Turbomach. May 2023, 145(5): 051007.
Paper No: TURBO-22-1225
DOI: 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
Click here to open pdf in another window PDF for Some Properties of the Exit Velocity Triangle of a Radial Compressor Impeller
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
Article Type: Research Papers
J. Turbomach. May 2023, 145(5): 051010.
Paper No: TURBO-22-1284
DOI: 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
Click here to open pdf in another window PDF for An Investigation of Non-Linear Surge Characteristic in a High-Speed Centrifugal Compressor
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
Article Type: Research Papers
J. Turbomach. May 2023, 145(5): 051003.
Paper No: TURBO-22-1146
DOI: 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
Click here to open pdf in another window PDF for Investigation of Surge in a Transonic Centrifugal Compressor With Vaned Diffuser—Part I: Surge Signature
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
Article Type: Research Papers
J. Turbomach. May 2023, 145(5): 051004.
Paper No: TURBO-22-1147
DOI: 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
Click here to open pdf in another window PDF for Investigation of Surge in a Transonic Centrifugal Compressor With Vaned Diffuser: Part II—Correlation With Subcomponent Characteristics
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
Article Type: Research Papers
J. Turbomach. April 2023, 145(4): 041009.
Paper No: TURBO-22-1256
DOI: 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
Click here to open pdf in another window PDF for New Concept for Design in Turbomachinery Applications Using Full RANS Gradient Methodology
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
Article Type: Research Papers
J. Turbomach. April 2023, 145(4): 041006.
Paper No: TURBO-21-1089
DOI: 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
Click here to open pdf in another window PDF for Annular Dump Diffuser and Deswirl System for Back-Pressure Control in Engine-Scale Transonic Annular Cascade
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
Article Type: Research Papers
J. Turbomach. October 2022, 144(10): 101010.
Paper No: TURBO-20-1318
DOI: 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
Click here to open pdf in another window PDF for Stall Behavior in an Ultrahigh-Pressure-Ratio Centrifugal Compressor: Backward-Traveling Rotating Stall
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
Article Type: Research Papers
J. Turbomach. September 2022, 144(9): 091006.
Paper No: TURBO-21-1217
DOI: 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
Click here to open pdf in another window PDF for Effects on Film Cooling Performance in the Showerhead From Geometric Parameterization of Shaped Hole Designs
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
Article Type: Research Papers
J. Turbomach. August 2022, 144(8): 081010.
Paper No: TURBO-20-1269
DOI: 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
Click here to open pdf in another window PDF for Investigation of the Flow Field and the Pressure Recovery in a Gas Turbine Exhaust Diffuser at Design, Part-Load, and Over-Load Conditions
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
Article Type: Research Papers
J. Turbomach. July 2022, 144(7): 071008.
Paper No: TURBO-21-1204
DOI: 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
Click here to open pdf in another window PDF for Film Cooling Effectiveness Measurement of Fan-Shaped Holes Manufactured Using Electrical Discharge Machining Technique
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
Article Type: Research Papers
J. Turbomach. January 2022, 144(1): 011008.
Paper No: TURBO-20-1320
DOI: 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
Click here to open pdf in another window PDF for Application of Advanced RANS Turbulence Models for the Prediction of Turbomachinery Flows
Topics: Diffusers, Flow (Dynamics), Pressure, Turbulence, Reynolds-averaged Navier–Stokes equations, Turbomachinery, Compressors, Anisotropy
Journal Articles

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

Thomas Ceyrowsky, Andre Hildebrandt, Martin Heinrich, Rüdiger Schwarze
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. September 2021, 143(9): 091020.
Paper No: TURBO-20-1262
DOI: https://doi.org/10.1115/1.4050387
Published Online: July 27, 2021
View Article titled, Assessment of the Loss Map of a Centrifugal Compressor's External Volute
Click here to open pdf in another window PDF for Assessment of the Loss Map of a Centrifugal Compressor's External Volute
Topics: Design, Diffusers, Flow (Dynamics), Mach number, Shapes, Pressure, Compressors, Computational fluid dynamics, Impellers, Vaneless diffusers
Journal Articles

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
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. September 2021, 143(9): 091018.
Paper No: TURBO-21-1053
DOI: https://doi.org/10.1115/1.4051045
Published Online: July 14, 2021
View Article titled, Experimental and Numerical Study of an Open Impeller Centrifugal Compressor Stage Utilizing Three-Dimensional (3D) Diffuser End Wall Contouring for Operating Range Extension
Click here to open pdf in another window PDF for Experimental and Numerical Study of an Open Impeller Centrifugal Compressor Stage Utilizing Three-Dimensional (3D) Diffuser End Wall Contouring for Operating Range Extension
Topics: Design, Diffusers, Flow (Dynamics), Mach number, Stability, Compressors, Impellers, Computational fluid dynamics
Journal Articles

Design, Testing, and Performance Impact of Exhaust Diffusers in Aero-Derivative Gas Turbines for Mechanical Drive Applications

Alberto Scotti Del Greco, Tomasz Jurek, Vittorio Michelassi, Daniele Di Benedetto
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. June 2021, 143(6): 061016.
Paper No: TURBO-19-1311
DOI: https://doi.org/10.1115/1.4048795
Published Online: May 19, 2021
View Article titled, Design, Testing, and Performance Impact of Exhaust Diffusers in Aero-Derivative Gas Turbines for Mechanical Drive Applications
Click here to open pdf in another window PDF for Design, Testing, and Performance Impact of Exhaust Diffusers in Aero-Derivative Gas Turbines for Mechanical Drive Applications
Topics: Computational fluid dynamics, Design, Diffusers, Exhaust systems, Flow (Dynamics), Pressure, Turbines, Gas turbines, Mechanical drives
Journal Articles

Effects of Inlet Guide Vanes on the Performance and Stability of an Aeronautical Centrifugal Compressor

Nicolas Poujol, Isabelle Trébinjac, Pierre Duquesne
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. October 2021, 143(10): 101010.
Paper No: TURBO-21-1015
DOI: https://doi.org/10.1115/1.4050944
Published Online: May 17, 2021
View Article titled, Effects of Inlet Guide Vanes on the Performance and Stability of an Aeronautical Centrifugal Compressor
Click here to open pdf in another window PDF for Effects of Inlet Guide Vanes on the Performance and Stability of an Aeronautical Centrifugal Compressor
Topics: Compressors, Flow (Dynamics), Impellers, Inlet guide vanes, Rotation, Stability, Surges, Diffusers, Pressure
Journal Articles

The Impact of Various Modeling Decisions on Flow Field Predictions in a Centrifugal Compressor

William J. Gooding, Matthew A. Meier, Nicole L. Key
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. October 2021, 143(10): 101006.
Paper No: TURBO-20-1390
DOI: https://doi.org/10.1115/1.4050674
Published Online: May 17, 2021
View Article titled, The Impact of Various Modeling Decisions on Flow Field Predictions in a Centrifugal Compressor
Click here to open pdf in another window PDF for The Impact of Various Modeling Decisions on Flow Field Predictions in a Centrifugal Compressor
Topics: Compressors, Diffusers, Flow (Dynamics), Heat transfer, Modeling, Pressure, Surface roughness, Turbulence, Simulation, Design
Journal Articles

A Machine-Learnt Wall Function for Rotating Diffusers

Lorenzo Tieghi, Alessandro Corsini, Giovanni Delibra, Francesco Aldo Tucci
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. August 2021, 143(8): 081012.
Paper No: TURBO-20-1368
DOI: https://doi.org/10.1115/1.4050442
Published Online: May 3, 2021
View Article titled, A Machine-Learnt Wall Function for Rotating Diffusers
Click here to open pdf in another window PDF for A Machine-Learnt Wall Function for Rotating Diffusers
Topics: Algorithms, Computer simulation, Diffusers, Flow (Dynamics), Machinery, Modeling, Reynolds-averaged Navier–Stokes equations, Simulation, Turbulence, Machine learning
Journal Articles

Reconstructing Compressor Nonuniform Circumferential Flow Field From Spatially Undersampled Data—Part 2: Practical Application for Experiments

Fangyuan Lou, Douglas R. Matthews, Nicholas J. Kormanik, III, Nicole L. Key
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. August 2021, 143(8): 081003.
Paper No: TURBO-20-1350
DOI: https://doi.org/10.1115/1.4050434
Published Online: April 26, 2021
View Article titled, Reconstructing Compressor Nonuniform Circumferential Flow Field From Spatially Undersampled Data—Part 2: Practical Application for Experiments
Click here to open pdf in another window PDF for Reconstructing Compressor Nonuniform Circumferential Flow Field From Spatially Undersampled Data—Part 2: Practical Application for Experiments
Topics: Approximation, Compressors, Diffusers, Flow (Dynamics), Pressure, Wavelets, Stators