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Journal Articles

Unsteady Flow Mechanism of Corner Separation Control Using Blade End Slots in a Highly Loaded Compressor Cascade

Yangwei Liu, Weibo Zhong, Yumeng Tang
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. June 2025, 147(6): 061016.
Paper No: TURBO-24-1240
https://doi.org/10.1115/1.4067295
Published Online: January 13, 2025
View Article titled, Unsteady Flow Mechanism of Corner Separation Control Using Blade End Slots in a Highly Loaded Compressor Cascade
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Topics: Blades, Corners (Structural elements), Flow (Dynamics), Separation (Technology), Vortices, Unsteady flow, Pressure
Journal Articles

Prediction of Steady and Unsteady Flow Quantities Using Multiscale Graph Neural Networks

Sebastian Strönisch, Maximilian Sander, Marcus Meyer, Andreas Knüpfer
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. July 2025, 147(7): 071015.
Paper No: TURBO-24-1238
https://doi.org/10.1115/1.4067179
Published Online: December 17, 2024
View Article titled, Prediction of Steady and Unsteady Flow Quantities Using Multiscale Graph Neural Networks
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Topics: Computational fluid dynamics, Errors, Flow (Dynamics), Graph neural networks, Pressure, Rotors, Simulation, Stators, Turbomachinery, Unsteady flow
Journal Articles

Hybrid RANS-LES Simulation of Rotor–Stator Interaction in a Compressor Stage Using a Grid-Adaptive Simulation Method

Yumeng Tang, Xindi Wei, Yangwei Liu
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. July 2025, 147(7): 071001.
Paper No: TURBO-24-1177
https://doi.org/10.1115/1.4067102
Published Online: November 22, 2024
View Article titled, Hybrid RANS-LES Simulation of Rotor–Stator Interaction in a Compressor Stage Using a Grid-Adaptive Simulation Method
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Topics: Flow (Dynamics), Pressure, Reynolds-averaged Navier–Stokes equations, Rotors, Simulation, Stators, Unsteady flow, Blades, Compressors, Wakes
Journal Articles

On Intake–Compressor Interactions Within an Integrated Propulsion System

Rudolf. P. M. Rademakers, Marcel Stößel, Dragan Kožulović, Reinhard Niehuis
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. May 2025, 147(5): 051012.
Paper No: TURBO-24-1223
https://doi.org/10.1115/1.4066916
Published Online: November 14, 2024
View Article titled, On Intake–Compressor Interactions Within an Integrated Propulsion System
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Topics: Compressors, Ducts, Engines, Flow (Dynamics), Pressure, Unsteady flow, Instrumentation
Journal Articles

A Study of Loss Model Parameter Sensitivity in Compressor Unsteady Flow Simulations

Zhenhao Jing, Yedidia Neumeier, J. V. R. Prasad, Darrell K. James
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. May 2025, 147(5): 051001.
Paper No: TURBO-24-1119
https://doi.org/10.1115/1.4066912
Published Online: November 12, 2024
View Article titled, A Study of Loss Model Parameter Sensitivity in Compressor Unsteady Flow Simulations
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Topics: Compressors, Flow (Dynamics), Friction, Unsteady flow, Impellers, Transients (Dynamics)
Journal Articles

Unsteady Flow Structure of Rotating Instability in a 1.5-Stage Axial Compressor

Nobumichi Fujisawa, Yutaka Ohta, Mai Yamagami, Takashi Goto, Dai Kato
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. April 2025, 147(4): 041010.
Paper No: TURBO-24-1247
https://doi.org/10.1115/1.4066814
Published Online: October 25, 2024
View Article titled, Unsteady Flow Structure of Rotating Instability in a 1.5-Stage Axial Compressor
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Topics: Blades, Compressors, Flow (Dynamics), Leakage, Pressure, Rotors, Unsteady flow, Vortices, Clearances (Engineering), Computational fluid dynamics
Journal Articles

The Unsteady Shock-Boundary Layer Interaction in a Compressor Cascade – Part 3: Mechanisms of Shock Oscillation

Accepted Manuscript
Edwin Joseph Munoz Lopez, Alexander Hergt, Joachim Klinner, Bjoern F. Klose, Christian Willert, Volker Gümmer
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-24-1157
https://doi.org/10.1115/1.4066186
Published Online: August 7, 2024
View Article titled, The Unsteady Shock-Boundary Layer Interaction in a Compressor Cascade – Part 3: Mechanisms of Shock Oscillation
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Topics: Cascades (Fluid dynamics), Compressors, Oscillations, Shock (Mechanics), Turbochargers, Computational fluid dynamics, Pressure, Unsteady flow, Waves, Blades
Journal Articles

Characterizing the Unsteady Flow Field in Low-Flow Turbine Operation

Hye Rim Kim, Lennart Stania, Niklas Maroldt, Marcel Oettinger, Joerg R. Seume
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 2024, 146(10): 101003.
Paper No: TURBO-23-1232
https://doi.org/10.1115/1.4065243
Published Online: April 23, 2024
View Article titled, Characterizing the Unsteady Flow Field in Low-Flow Turbine Operation
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Topics: Blades, Flow (Dynamics), Pressure, Turbines, Vibration, Excitation, Acoustics, Rotors, Unsteady flow, Transients (Dynamics)
Journal Articles

Experimental Investigation of Additional Loss Associated With Incoming Wakes in Low-Pressure Turbine Cascades

Hidekazu Kodama, Ken-ichi Funazaki
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. May 2024, 146(5): 051013.
Paper No: TURBO-23-1274
https://doi.org/10.1115/1.4064318
Published Online: January 16, 2024
View Article titled, Experimental Investigation of Additional Loss Associated With Incoming Wakes in Low-Pressure Turbine Cascades
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Topics: Blades, Cascades (Fluid dynamics), Flow (Dynamics), Pressure, Reynolds number, Suction, Turbines, Wakes, Unsteady flow, Boundary layers
Journal Articles

Unsteady Flow Structure of Corner Separation in a Highly Loaded Compressor Cascade

Weibo Zhong, Yangwei Liu, Yumeng Tang
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. March 2024, 146(3): 031003.
Paper No: TURBO-23-1220
https://doi.org/10.1115/1.4063926
Published Online: November 16, 2023
View Article titled, Unsteady Flow Structure of Corner Separation in a Highly Loaded Compressor Cascade
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Topics: Cascades (Fluid dynamics), Compressors, Corners (Structural elements), Flow (Dynamics), Pressure, Separation (Technology), Unsteady flow, Vortices, Blades, Delay differential equations
Journal Articles

Investigation of Unsteady Rotor–Stator Interaction and Deterministic Correlation Analysis in a Transonic Compressor Stage

Yangwei Liu, Xindi Wei, Yumeng Tang
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. July 2023, 145(7): 071004.
Paper No: TURBO-22-1301
https://doi.org/10.1115/1.4056716
Published Online: February 9, 2023
View Article titled, Investigation of Unsteady Rotor–Stator Interaction and Deterministic Correlation Analysis in a Transonic Compressor Stage
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Topics: Rotors, Stators, Compressors, Flow (Dynamics), Stress, Unsteady flow, Blades, Anisotropy
Journal Articles

High-Fidelity Simulation Study of the Unsteady Flow Effects on High-Pressure Turbine Blade Performance

John Leggett, Yaomin Zhao, Richard D. Sandberg
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. January 2023, 145(1): 011002.
Paper No: TURBO-22-1215
https://doi.org/10.1115/1.4055576
Published Online: October 3, 2022
View Article titled, High-Fidelity Simulation Study of the Unsteady Flow Effects on High-Pressure Turbine Blade Performance
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Topics: Blades, Boundary layers, Flow (Dynamics), Pressure, Rotors, Stators, Suction, Turbulence, Wakes, High pressure (Physics)
Journal Articles

An Approximate Time Domain Nonlinear Harmonic Method for Analyzing Unsteady Flows With Multiple Fundamental Modes

Dingxi Wang, Sen Zhang
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. December 2022, 144(12): 121002.
Paper No: TURBO-22-1130
https://doi.org/10.1115/1.4055266
Published Online: September 15, 2022
View Article titled, An Approximate Time Domain Nonlinear Harmonic Method for Analyzing Unsteady Flows With Multiple Fundamental Modes
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Topics: Blades, Fourier transforms, Turbomachinery, Unsteady flow, Flow (Dynamics), Boundary-value problems
Journal Articles

Analysis of the Unsteady Flow Field at Stall Conditions for a Low-Speed Low-Pressure Ratio Axial Fan With Full-Annulus Simulation

Yannick Bousquet, Nicolas Binder, Ludovic Rojda, Adrien Thacker
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. November 2022, 144(11): 111008.
Paper No: TURBO-22-1019
https://doi.org/10.1115/1.4054815
Published Online: July 21, 2022
View Article titled, Analysis of the Unsteady Flow Field at Stall Conditions for a Low-Speed Low-Pressure Ratio Axial Fan With Full-Annulus Simulation
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Topics: Blades, Flow (Dynamics), Pressure, Rotors, Simulation, Stators, Stall inception, Annulus, Unsteady flow, Computer simulation
Journal Articles

Physics and Instantaneous Performance of Radial Turbines in Unsteady Flows: Validity of the Quasi-Steady Assumption for the Rotor

Nicolas Binder, Yanncik Bousquet, Florian Hermet, Jérémie Gressier
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. November 2022, 144(11): 111002.
Paper No: TURBO-21-1186
https://doi.org/10.1115/1.4054777
Published Online: July 4, 2022
View Article titled, Physics and Instantaneous Performance of Radial Turbines in Unsteady Flows: Validity of the Quasi-Steady Assumption for the Rotor
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Topics: Flow (Dynamics), Pressure, Rotors, Torque, Transients (Dynamics), Turbines, Unsteady flow, Waves, Computer simulation, Physics
Journal Articles

Detached Eddy Simulation of the Unsteady Flow and Film Cooling Characteristics of an Endwall With an Interrupted Slot

Qiang Du, Guangyao Xu, Qingzong Xu, Pei Wang
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 2022, 144(10): 101012.
Paper No: TURBO-21-1195
https://doi.org/10.1115/1.4054543
Published Online: June 16, 2022
View Article titled, Detached Eddy Simulation of the Unsteady Flow and Film Cooling Characteristics of an Endwall With an Interrupted Slot
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Topics: Coolants, Film cooling, Flat plates, Flow (Dynamics), Simulation, Unsteady flow, Vortices, Eddies (Fluid dynamics), Temperature, Vorticity
Journal Articles

Coupled Time and Passage Spectral Method for an Efficient Resolution of Turbomachinery Far Upstream Wakes

Dingxi Wang, Sen Zhang, Xiuquan Huang, Huang Huang
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. February 2022, 144(2): 021006.
Paper No: TURBO-21-1119
https://doi.org/10.1115/1.4052232
Published Online: September 27, 2021
View Article titled, Coupled Time and Passage Spectral Method for an Efficient Resolution of Turbomachinery Far Upstream Wakes
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Topics: Blades, Flow (Dynamics), Rotors, Wakes, Turbomachinery, Stators, Resolution (Optics), Fourier transforms, Unsteady flow
Journal Articles

Efficient Passage-Spectral Method For Unsteady Flows Under Stall Conditions

David Romera, Roque Corral
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. December 2020, 142(12): 121007.
Paper No: TURBO-19-1176
https://doi.org/10.1115/1.4047934
Published Online: November 16, 2020
View Article titled, Efficient Passage-Spectral Method For Unsteady Flows Under Stall Conditions
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Topics: Annulus, Blades, Flow (Dynamics), Pressure, Rotors, Simulation, Unsteady flow, Compressors, Stall inception, NASA
Journal Articles

Unsteady Flow Interactions Between a High- and Low-Pressure Turbine

P. Z. Sterzinger, S. Zerobin, F. Merli, L. Wiesinger, M. Dellacasagrande, A. Peters, G. Maini, F. Heitmeir, E. Göttlich
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 2020, 142(10): 101012.
Paper No: TURBO-19-1259
https://doi.org/10.1115/1.4046453
Published Online: September 18, 2020
View Article titled, Unsteady Flow Interactions Between a High- and Low-Pressure Turbine
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Topics: Flow (Dynamics), Fluctuations (Physics), Pressure, Rotors, Turbines, Unsteady flow
Journal Articles

Time-Space Spectral Method for Rotor–Rotor/Stator–Stator Interactions

Xiuquan Huang, Ding Xi Wang
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. November 2019, 141(11): 111006.
Paper No: TURBO-19-1125
https://doi.org/10.1115/1.4044771
Published Online: October 11, 2019
View Article titled, Time-Space Spectral Method for Rotor–Rotor/Stator–Stator Interactions
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Topics: Blades, Flow (Dynamics), Rotors, Stators, Unsteady flow