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Journal Articles

Excitation of a Separated Flow by a Series of Protuberances Near the Leading Edge of a Model Aerofoil

Pradeep Singh, S. Sarkar
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. November 2023, 145(11): 111001.
Paper No: TURBO-23-1047
https://doi.org/10.1115/1.4063048
Published Online: August 16, 2023
View Article titled, Excitation of a Separated Flow by a Series of Protuberances Near the Leading Edge of a Model Aerofoil
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Topics: Airfoils, Bubbles, Excitation, Flow (Dynamics), Separation (Technology), Shear (Mechanics), Turbulence, Fluctuations (Physics), Boundary layers
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
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

An Insight into Quasi-Two-Dimensional Flow Features Over Turbine Blading From the Works of Jonathan Paul Gostelow

Aldo Rona, David S. Adebayo, Jonathan Paul Gostelow
Journal: Journal of Turbomachinery
Article Type: Review Articles
J. Turbomach. September 2023, 145(9): 090801.
Paper No: TURBO-22-1290
https://doi.org/10.1115/1.4062552
Published Online: June 9, 2023
View Article titled, An Insight into Quasi-Two-Dimensional Flow Features Over Turbine Blading From the Works of Jonathan Paul Gostelow
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Topics: Blades, Boundary layers, Flow (Dynamics), Separation (Technology), Turbomachinery, Turbulence, Vortex shedding, Pressure, Vorticity, Shock (Mechanics)
Journal Articles

The Effects of Hub Profile on the Aerodynamics of Integrated Intermediate Turbine Ducts

Jiangdong Hou, Chao Zhou
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. June 2023, 145(6): 061012.
Paper No: TURBO-22-1293
https://doi.org/10.1115/1.4056580
Published Online: January 9, 2023
View Article titled, The Effects of Hub Profile on the Aerodynamics of Integrated Intermediate Turbine Ducts
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Topics: Computational fluid dynamics, Corners (Structural elements), Ducts, Flow (Dynamics), Pressure, Pressure gradient, Separation (Technology), Turbines, Turbulence, Vortices
Journal Articles

Response of Separated Boundary Layers to Steady and Pulsated Flow Injection

Hunter D. Nowak, Federico Lluesma-Rodriguez, Iman Rahbari, John P. Clark, Guillermo Paniagua
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. June 2023, 145(6): 061001.
Paper No: TURBO-22-1276
https://doi.org/10.1115/1.4056184
Published Online: December 6, 2022
View Article titled, Response of Separated Boundary Layers to Steady and Pulsated Flow Injection
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Topics: Flow (Dynamics), Flow control, Pressure, Separation (Technology), Reynolds-averaged Navier–Stokes equations
Journal Articles

Unsteady Structure of Compressor Tip Leakage Flows

Joshua M. Maynard, Andrew P. S. Wheeler, James V. Taylor, Roger Wells
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. May 2023, 145(5): 051005.
Paper No: TURBO-22-1153
https://doi.org/10.1115/1.4055769
Published Online: November 25, 2022
View Article titled, Unsteady Structure of Compressor Tip Leakage Flows
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Topics: Blades, Flow (Dynamics), Separation (Technology), Simulation, Turbulence, Corners (Structural elements), Compressors, Stators, Bubbles, Suction
Journal Articles

Profile Loss Reduction of High-Lift Turbine Blades With Rough and Ribbed Surfaces

Ananth Sivaramakrishnan Malathi, Massimiliano Nardini, Aditya Vaid, Nagabhushana Rao Vadlamani, Richard D. Sandberg
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. February 2023, 145(2): 021001.
Paper No: TURBO-22-1214
https://doi.org/10.1115/1.4055501
Published Online: October 11, 2022
View Article titled, Profile Loss Reduction of High-Lift Turbine Blades With Rough and Ribbed Surfaces
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Topics: Boundary layers, Flow (Dynamics), Pressure gradient, Suction, Surface roughness, Turbulence, Simulation, Skin friction (Fluid dynamics), Turbine blades, Shapes
Journal Articles

A Turbo-Oriented Data-Driven Modification to the Spalart–Allmaras Turbulence Model

Xiao He, Fanzhou Zhao, Mehdi Vahdati
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. December 2022, 144(12): 121007.
Paper No: TURBO-22-1148
https://doi.org/10.1115/1.4055333
Published Online: September 19, 2022
View Article titled, A Turbo-Oriented Data-Driven Modification to the Spalart–Allmaras Turbulence Model
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Topics: Calibration, Cascades (Fluid dynamics), Compressors, Flow (Dynamics), NASA, Pressure, Rotors, Turbulence, Computational fluid dynamics, Corners (Structural elements)
Journal Articles

Fan Stability With Leading Edge Damage: Blind Prediction and Validation

E. J. Gunn, T. Brandvik, M. J. Wilson, R. Maxwell
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. September 2022, 144(9): 091015.
Paper No: TURBO-22-1072
https://doi.org/10.1115/1.4054970
Published Online: August 1, 2022
View Article titled, Fan Stability With Leading Edge Damage: Blind Prediction and Validation
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Topics: Blades, Computational fluid dynamics, Damage, Flow (Dynamics), Pressure, Rotors, Simulation, Stability, Stall inception, Separation (Technology)
Journal Articles

The Unsteady Topology of Corner Separations

Ivo Dawkins, James Taylor, Xavier Ottavy, Rob Miller
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. November 2022, 144(11): 111001.
Paper No: TURBO-21-1255
https://doi.org/10.1115/1.4054676
Published Online: July 4, 2022
View Article titled, The Unsteady Topology of Corner Separations
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Topics: Blades, Cascades (Fluid dynamics), Corners (Structural elements), Flow (Dynamics), Separation (Technology), Topology, Design, Boundary layers
Journal Articles

Aerodynamic Interaction of Volute With Rotor in a Nozzleless Radial Turbine

Lei Pan, Mingyang Yang, Shota Murae, Wataru Sato, Naoto Shimohara, Akihiro Yamagata
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. June 2022, 144(6): 061012.
Paper No: TURBO-21-1265
https://doi.org/10.1115/1.4054162
Published Online: May 5, 2022
View Article titled, Aerodynamic Interaction of Volute With Rotor in a Nozzleless Radial Turbine
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Topics: Blades, Excitation, Flow (Dynamics), Leakage, Pressure, Rotors, Turbines, Vortices, Wakes, Stress
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
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

Low Reynolds Number Effects on the Separation and Wake of a Compressor Blade

Qiang Liu, Will Ager, Cesare Hall, Andrew P.S. Wheeler
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. October 2022, 144(10): 101008.
Paper No: TURBO-21-1221
https://doi.org/10.1115/1.4054148
Published Online: April 19, 2022
View Article titled, Low Reynolds Number Effects on the Separation and Wake of a Compressor Blade
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Topics: Blades, Bubbles, Compressors, Flow (Dynamics), Pressure, Reynolds number, Separation (Technology), Turbulence, Wakes, Cascades (Fluid dynamics)
Journal Articles

Sweep Effects on Fan–Intake Aerodynamics at High Angle of Attack

Ben Mohankumar, Cesare A. Hall, Mark J. Wilson
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. October 2022, 144(10): 101001.
Paper No: TURBO-21-1211
https://doi.org/10.1115/1.4054064
Published Online: April 7, 2022
View Article titled, Sweep Effects on Fan–Intake Aerodynamics at High Angle of Attack
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Topics: Design, Flow (Dynamics), Rotors, Separation (Technology), Mach number, Pressure, Aerodynamics
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
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

Improved Prediction of Losses With Large Eddy Simulation in a Low-Pressure Turbine

Kenji Miki, Ali Ameri
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. July 2022, 144(7): 071002.
Paper No: TURBO-21-1207
https://doi.org/10.1115/1.4053234
Published Online: February 24, 2022
View Article titled, Improved Prediction of Losses With Large Eddy Simulation in a Low-Pressure Turbine
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Topics: Pressure, Turbulence, Wakes, Separation (Technology), Flow (Dynamics), Blades, Turbines, Suction, Emission spectroscopy, Spectroscopy
Journal Articles

Detached Eddy Simulation of Transition in Turbomachinery: Linear Compressor Cascade

Zifei Yin, Paul A. Durbin
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. March 2022, 144(3): 031002.
Paper No: TURBO-21-1056
https://doi.org/10.1115/1.4052309
Published Online: September 29, 2021
View Article titled, Detached Eddy Simulation of Transition in Turbomachinery: Linear Compressor Cascade
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Topics: Flow (Dynamics), Pressure, Simulation, Turbulence, Inflow, Separation (Technology), Suction, Eddies (Fluid dynamics), Skin friction (Fluid dynamics), Compressors
Journal Articles

Unsteady Lattice Boltzmann Simulations of Corner Separation in a Compressor Cascade

J. Boudet, E. Lévêque, H. Touil
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. January 2022, 144(1): 011010.
Paper No: TURBO-20-1219
https://doi.org/10.1115/1.4052017
Published Online: September 21, 2021
View Article titled, Unsteady Lattice Boltzmann Simulations of Corner Separation in a Compressor Cascade
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Topics: Blades, Boundary layers, Cascades (Fluid dynamics), Compressors, Corners (Structural elements), Flow (Dynamics), Lattice Boltzmann methods, Pressure, Separation (Technology), Simulation
Journal Articles

Time-Resolved Measurements of the Unsteady Boundary Layer in an Annular Low-Pressure Turbine Configuration With Perturbed Inlet

Martin Sinkwitz, Benjamin Winhart, David Engelmann, Francesca di Mare
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. January 2022, 144(1): 011001.
Paper No: TURBO-21-1067
https://doi.org/10.1115/1.4051711
Published Online: September 7, 2021
View Article titled, Time-Resolved Measurements of the Unsteady Boundary Layer in an Annular Low-Pressure Turbine Configuration With Perturbed Inlet
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Topics: Blades, Boundary layers, Flow (Dynamics), Inflow, Pressure, Suction, Turbines, Turbulence, Wakes, Sensors
Journal Articles

Estimation of Aircraft Engine Flight Mission Severity Caused by Erosion

Tim Brandes, Christian Koch, Stephan Staudacher
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. November 2021, 143(11): 111001.
Paper No: TURBO-21-1021
https://doi.org/10.1115/1.4051000
Published Online: June 7, 2021
View Article titled, Estimation of Aircraft Engine Flight Mission Severity Caused by Erosion
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Topics: Blades, Compressors, Engines, Erosion, Flight, Flow (Dynamics), Particulate matter, Separation (Technology), Simulation