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Journal Articles

Numerical Study on Unsteady Flow of a Supersonic Partial Admission Impulse Turbine

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Tongxi Li, Jiakang Wang, Zhiheng Wang, Guang Xi
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. July 2025, 147(7): 071017.
Paper No: TURBO-24-1113
https://doi.org/10.1115/1.4067733
Published Online: February 18, 2025
View Articletitled, Numerical Study on Unsteady Flow of a Supersonic Partial Admission Impulse Turbine
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Topics: Aerodynamics, Blades, Flow (Dynamics), Fluid-dynamic forces, Nozzles, Rotors, Turbines, Impulse (Physics), Mach number, Unsteady flow
Journal Articles

Using Pseudotime Marching for the Solution of Harmonic Balance Problems

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Christian Frey, Jan Backhaus, Graham Ashcroft, Georg Geiser, Benjamin Winhart, Heinrich Stüer
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. September 2025, 147(9): 091007.
Paper No: TURBO-24-1275
https://doi.org/10.1115/1.4067519
Published Online: February 13, 2025
View Articletitled, Using Pseudotime Marching for the Solution of Harmonic Balance Problems
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Topics: Flow (Dynamics), Robustness, Turbochargers, Unsteady flow, Errors, Computation, Computational fluid dynamics, Linear systems, Simulation, Compressors
Journal Articles

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

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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 Articletitled, 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

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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 Articletitled, 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

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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 Articletitled, 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

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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 Articletitled, 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

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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 Articletitled, 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

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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 Articletitled, 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

Characterizing the Unsteady Flow Field in Low-Flow Turbine Operation

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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 Articletitled, 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

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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 Articletitled, 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

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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 Articletitled, 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

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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 Articletitled, 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

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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 Articletitled, 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

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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 Articletitled, 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

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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 Articletitled, 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

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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 Articletitled, Physics and Instantaneous Performance of Radial Turbines in Unsteady Flows: Validity of the Quasi-Steady Assumption for the Rotor
Open the PDF for Physics and Instantaneous Performance of Radial Turbines in Unsteady Flows: Validity of the Quasi-Steady Assumption for the Rotor in another window
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

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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 Articletitled, 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

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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 Articletitled, 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

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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 Articletitled, 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

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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 Articletitled, Unsteady Flow Interactions Between a High- and Low-Pressure Turbine
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Topics: Flow (Dynamics), Fluctuations (Physics), Pressure, Rotors, Turbines, Unsteady flow