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Journal Articles

Methodology and Validation of Surge Modeling in a Three-Shaft Compression System

Fanzhou Zhao, Jose Moreno, John Dodds, Mehdi Vahdati
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. December 2023, 145(12): 121006.
Paper No: TURBO-22-1024
https://doi.org/10.1115/1.4063506
Published Online: October 19, 2023
View Article titled, Methodology and Validation of Surge Modeling in a Three-Shaft Compression System
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Topics: Flow (Dynamics), Surges, Compressors, Pressure, Compression, Computational fluid dynamics
Journal Articles

Aerodynamic Loading Considerations of Three-Shaft Engine Compression System During Surge

Jose Moreno, John Dodds, Christopher Sheaf, Fanzhou Zhao, Mehdi Vahdati
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. December 2021, 143(12): 121002.
Paper No: TURBO-20-1362
https://doi.org/10.1115/1.4051207
Published Online: June 25, 2021
View Article titled, Aerodynamic Loading Considerations of Three-Shaft Engine Compression System During Surge
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Topics: Pressure, Surges, Engines, Compressors, Flow (Dynamics), Compression, Transients (Dynamics)
Journal Articles

Flow Physics During Surge and Recovery of a Multi-Stage High-Speed Compressor

Fanzhou Zhao, John Dodds, Mehdi Vahdati
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. June 2021, 143(6): 061008.
Paper No: TURBO-20-1241
https://doi.org/10.1115/1.4050240
Published Online: April 8, 2021
View Article titled, Flow Physics During Surge and Recovery of a Multi-Stage High-Speed Compressor
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Topics: Compressors, Flow (Dynamics), Surges, Inlet guide vanes, Pressure, Cycles
Proceedings Papers

Flow Physics During Surge and Recovery of a Multi-Stage High-Speed Compressor

Fanzhou Zhao, John Dodds, Mehdi Vahdati
Proc. ASME. GT2020, Volume 2E: Turbomachinery, V02ET41A009, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14345
https://doi.org/10.1115/GT2020-14345
View Paper titled, Flow Physics During Surge and Recovery of a Multi-Stage High-Speed Compressor
Open the PDF for Flow Physics During Surge and Recovery of a Multi-Stage High-Speed Compressor in another window
Topics: Compressors, Computational fluid dynamics, Flow (Dynamics), Physics, Surges
Proceedings Papers

Aerodynamic Loading Considerations of Three-Shaft Engine Compression System During Surge

Jose Moreno, John Dodds, Christopher Sheaf, Fanzhou Zhao, Mehdi Vahdati
Proc. ASME. GT2020, Volume 2A: Turbomachinery, V02AT32A011, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14305
https://doi.org/10.1115/GT2020-14305
View Paper titled, Aerodynamic Loading Considerations of Three-Shaft Engine Compression System During Surge
Open the PDF for Aerodynamic Loading Considerations of Three-Shaft Engine Compression System During Surge in another window
Topics: Compression, Engines, Surges, Compressors, Aircraft engines, High pressure (Physics), Pressure, Computation, Computational fluid dynamics, Design
Journal Articles

Deficiencies in the Spalart–Allmaras Turbulence Model for the Prediction of the Stability Boundary in Highly Loaded Compressors

Jose Moreno, John Dodds, Sina Stapelfeldt, Mehdi Vahdati
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. December 2020, 142(12): 121012.
Paper No: TURBO-19-1159
https://doi.org/10.1115/1.4047784
Published Online: December 2, 2020
View Article titled, Deficiencies in the Spalart–Allmaras Turbulence Model for the Prediction of the Stability Boundary in Highly Loaded Compressors
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Topics: Boundary layers, Compressors, Eddies (Fluid dynamics), Flow (Dynamics), Modeling, Stability, Turbulence, Viscosity, Pressure
Proceedings Papers

Deficiencies in Turbulence Modelling for the Prediction of the Stability Boundary in Highly Loaded Compressors

Jose Moreno, John Dodds, Mehdi Vahdati, Sina Stapelfeldt
Proc. ASME. GT2019, Volume 2A: Turbomachinery, V02AT39A025, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-91227
https://doi.org/10.1115/GT2019-91227
View Paper titled, Deficiencies in Turbulence Modelling for the Prediction of the Stability Boundary in Highly Loaded Compressors
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Topics: Compressors, Modeling, Stability, Turbulence, Boundary layers, Flow (Dynamics), Leakage flows, Resolution (Optics), Reynolds-averaged Navier–Stokes equations, Uncertainty
Journal Articles

Poststall Behavior of a Multistage High Speed Compressor at Off-Design Conditions

Fanzhou Zhao, John Dodds, Mehdi Vahdati
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. December 2018, 140(12): 121002.
Paper No: TURBO-18-1174
https://doi.org/10.1115/1.4041142
Published Online: October 15, 2018
View Article titled, Poststall Behavior of a Multistage High Speed Compressor at Off-Design Conditions
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Topics: Compressors, Design, Flow (Dynamics), Stators, Surges, Transients (Dynamics), Pressure, Blades, Computational fluid dynamics
Proceedings Papers

Post-Stall Behaviour of a Multi-Stage High Speed Compressor at Off-Design Conditions

Fanzhou Zhao, John Dodds, Mehdi Vahdati
Proc. ASME. GT2018, Volume 2A: Turbomachinery, V02AT45A005, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75283
https://doi.org/10.1115/GT2018-75283
View Paper titled, Post-Stall Behaviour of a Multi-Stage High Speed Compressor at Off-Design Conditions
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Topics: Compressors, Design, Surges, Blades, Flow (Dynamics), Modeling, Computational fluid dynamics, Computation, Computer simulation, Damage
Journal Articles

Validation of a Numerical Model for Predicting Stalled Flows in a Low-Speed Fan—Part II: Unsteady Analysis

Kuen-Bae Lee, John Dodds, Mark Wilson, Mehdi Vahdati
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. May 2018, 140(5): 051009.
Paper No: TURBO-17-1186
https://doi.org/10.1115/1.4039052
Published Online: April 16, 2018
View Article titled, Validation of a Numerical Model for Predicting Stalled Flows in a Low-Speed Fan—Part II: Unsteady Analysis
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Topics: Computation, Flow (Dynamics), Computer simulation, Pressure, Compressors