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Journal Articles

Interaction Mechanism of Transonic Squealer Tip Cooling With the Effect of High-Speed Relative Casing Motion

W. Xie, S. Lu, H. Jiang, X. Peng, Q. Zhang
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. August 2023, 145(8): 081016.
Paper No: TURBO-22-1219
DOI: https://doi.org/10.1115/1.4062278
Published Online: May 22, 2023
View Article titled, Interaction Mechanism of Transonic Squealer Tip Cooling With the Effect of High-Speed Relative Casing Motion
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Topics: Cavities, Computational fluid dynamics, Cooling, Pressure
Journal Articles

Validation of an Analytical Model for the Acoustic Impedance Eduction of Multicavity Resonant Liners by a High-Fidelity Large Eddy Simulation Approach

Simone Giaccherini, Lorenzo Pinelli, Michele Marconcini, Roberto Pacciani, Andrea Arnone
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. August 2023, 145(8): 081002.
Paper No: TURBO-22-1270
DOI: https://doi.org/10.1115/1.4056984
Published Online: April 3, 2023
View Article titled, Validation of an Analytical Model for the Acoustic Impedance Eduction of Multicavity Resonant Liners by a High-Fidelity Large Eddy Simulation Approach
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Topics: Acoustics, Cavities, Flow (Dynamics), Large eddy simulation, Resonance, Simulation, Excitation, Noise (Sound), Impedance (Electricity)
Journal Articles

Upstream Jet Cooling and Dual Cavity Slashface Leakage Cooling on a Transonic Nozzle Guide Vane Endwall

Shuo Mao, Daniel Van Hout, Kaiyuan Zhang, Jin Woo Lee, Wing F. Ng, Hongzhou Xu, Michael Fox, Jun Li
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. August 2023, 145(8): 081006.
Paper No: TURBO-22-1050
DOI: https://doi.org/10.1115/1.4062180
Published Online: April 3, 2023
View Article titled, Upstream Jet Cooling and Dual Cavity Slashface Leakage Cooling on a Transonic Nozzle Guide Vane Endwall
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Topics: Cavities, Computational fluid dynamics, Coolants, Cooling, Design, Film cooling, Flow (Dynamics), Heat transfer, Nozzle guide vanes, Suction
Journal Articles

Leakage Flow Impact on Shrouded Stator Cavity Flow Topology and Associated High-Speed Axial Compressor Stage Performance

Cedric Babin, Xavier Ottavy, Fabrizio Fontaneto
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. May 2023, 145(5): 051016.
Paper No: TURBO-22-1321
DOI: https://doi.org/10.1115/1.4056698
Published Online: March 2, 2023
View Article titled, Leakage Flow Impact on Shrouded Stator Cavity Flow Topology and Associated High-Speed Axial Compressor Stage Performance
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Topics: Cavities, Compressors, Flow (Dynamics), Leakage, Leakage flows, Stators, Cavity flows, Design, Temperature
Journal Articles

Experimental Investigation of a High-Speed Turbine With Rainbow Rotor and Rim Seal Purge Flow

Bogdan C. Cernat, Jorge Pinho, Mizuki Okada, Sergio Lavagnoli
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. July 2023, 145(7): 071014.
Paper No: TURBO-22-1331
DOI: https://doi.org/10.1115/1.4056776
Published Online: March 2, 2023
View Article titled, Experimental Investigation of a High-Speed Turbine With Rainbow Rotor and Rim Seal Purge Flow
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Topics: Flow (Dynamics), Pressure, Rotors, Turbines, Reynolds-averaged Navier–Stokes equations, Heat transfer, Design, Cavities, Heat flux
Journal Articles

Aerothermal Performance of Axially Varying Winglet-Squealer Blade Tips

Anmol Garg, Nagabhushana Rao Vadlamani, Balaji Srinivasan
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. July 2023, 145(7): 071009.
Paper No: TURBO-22-1134
DOI: https://doi.org/10.1115/1.4056712
Published Online: February 10, 2023
View Article titled, Aerothermal Performance of Axially Varying Winglet-Squealer Blade Tips
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Topics: Blades, Cavities, Flow (Dynamics), Pressure, Design, Leakage, Vortices, Leakage flows, High pressure (Physics)
Journal Articles

Nonlinear Flutter Analysis of Labyrinth Seals

Roque Corral, Michele Greco, Luis Matabuena
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. July 2023, 145(7): 071007.
Paper No: TURBO-22-1326
DOI: https://doi.org/10.1115/1.4056701
Published Online: February 10, 2023
View Article titled, Nonlinear Flutter Analysis of Labyrinth Seals
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Topics: Cavities, Clearances (Engineering), Cycles, Flutter (Aerodynamics), Pressure, Stability, Vibration, Flow (Dynamics), Torsion
Journal Articles

Experimental and Numerical Investigation of High Load Turbine Blade Tip Cavity Structures

Yingjie Chen, Dengyu Jiang, Zhengshuai Du, Songtao Wang
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. June 2023, 145(6): 061008.
Paper No: TURBO-22-1112
DOI: https://doi.org/10.1115/1.4056512
Published Online: January 9, 2023
View Article titled, Experimental and Numerical Investigation of High Load Turbine Blade Tip Cavity Structures
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Topics: Blades, Cavities, Clearances (Engineering), Flow (Dynamics), Flow visualization, Leakage, Leakage flows, Pressure, Suction, Vortices
Journal Articles

LES-CHT for a Rotating Cavity With Axial Throughflow

Tom Hickling, Li He
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. June 2023, 145(6): 061006.
Paper No: TURBO-22-1279
DOI: https://doi.org/10.1115/1.4056091
Published Online: December 13, 2022
View Article titled, LES-CHT for a Rotating Cavity With Axial Throughflow
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Topics: Cavities, Disks, Flow (Dynamics), Fluids, Heating, Temperature
Journal Articles

Aeromechanical Optimization of Scalloping in Mixed Flow Turbines

Matthew Elliott, Stephen Spence, Martin Seiler, Marco Geron
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. May 2023, 145(5): 051013.
Paper No: TURBO-22-1034
DOI: https://doi.org/10.1115/1.4056087
Published Online: December 6, 2022
View Article titled, Aeromechanical Optimization of Scalloping in Mixed Flow Turbines
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Topics: Blades, Design, Flow (Dynamics), Optimization, Rotors, Turbines, Vortices, Computational fluid dynamics, Cavities, Stress
Journal Articles

Characterizing Flow Instabilities During Transient Events in the Turbine Rim Seal Cavity

Maria Rozman, Eric T. DeShong, Karen A. Thole, Reid A. Berdanier, Christopher Robak
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. March 2023, 145(3): 031014.
Paper No: TURBO-22-1240
DOI: https://doi.org/10.1115/1.4055748
Published Online: November 3, 2022
View Article titled, Characterizing Flow Instabilities During Transient Events in the Turbine Rim Seal Cavity
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Topics: Cavities, Flow (Dynamics), Transients (Dynamics), Temperature, Pressure, Turbines, Wheels
Journal Articles

Robustness Analysis on Aerothermal Performance of the Winglet Squealer Tip—Part 1: Aerodynamic Performance

Ming Huang, Zhigang Li, Jun Li
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. January 2023, 145(1): 011013.
Paper No: TURBO-22-1081
DOI: https://doi.org/10.1115/1.4055441
Published Online: October 10, 2022
View Article titled, Robustness Analysis on Aerothermal Performance of the Winglet Squealer Tip—Part 1: Aerodynamic Performance
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Topics: Blades, Cavities, Clearances (Engineering), Flow (Dynamics), Leakage, Leakage flows, Mach number, Pressure, Robustness, Suction
Journal Articles

Robustness Analysis on Aerothermal Performance of the Winglet Squealer Tip—Part II: Heat Transfer Performance

Ming Huang, Zhigang Li, Jun Li
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. January 2023, 145(1): 011014.
Paper No: TURBO-22-1082
DOI: https://doi.org/10.1115/1.4055442
Published Online: October 10, 2022
View Article titled, Robustness Analysis on Aerothermal Performance of the Winglet Squealer Tip—Part II: Heat Transfer Performance
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Topics: Blades, Cavities, Clearances (Engineering), Flow (Dynamics), Heat flux, Heat transfer, Pressure, Robustness, Suction, Temperature
Journal Articles

Plume Model for Buoyancy-Induced Flow and Heat Transfer in Closed Rotating Cavities

Hui Tang, J. Michael Owen
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. January 2023, 145(1): 011005.
Paper No: TURBO-22-1169
DOI: https://doi.org/10.1115/1.4055449
Published Online: October 7, 2022
View Article titled, Plume Model for Buoyancy-Induced Flow and Heat Transfer in Closed Rotating Cavities
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Topics: Cavities, Disks, Flow (Dynamics), Plumes (Fluid dynamics), Temperature, Heat transfer, Fluids, Pressure, Buoyancy
Journal Articles

Stratified and Buoyancy-Induced Flow in Closed Compressor Rotors

Gary D. Lock, Richard W. Jackson, Mikolaj Pernak, Oliver J. Pountney, Carl M. Sangan, J. Michael Owen, Hui Tang, James A. Scobie
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. January 2023, 145(1): 011008.
Paper No: TURBO-22-1170
DOI: https://doi.org/10.1115/1.4055448
Published Online: October 7, 2022
View Article titled, Stratified and Buoyancy-Induced Flow in Closed Compressor Rotors
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Topics: Buoyancy, Cavities, Compressors, Disks, Flow (Dynamics), Heat transfer, Temperature, Heat flux, Fluids, Heat conduction
Journal Articles

Use of Multiple Tracer Gases to Quantify Vane Trailing Edge Flow Into Turbine Rim Seals

Iván Monge-Concepción, Michael D. Barringer, Reid A. Berdanier, Karen A. Thole, Christopher Robak
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. January 2023, 145(1): 011006.
Paper No: TURBO-22-1187
DOI: https://doi.org/10.1115/1.4055445
Published Online: October 7, 2022
View Article titled, Use of Multiple Tracer Gases to Quantify Vane Trailing Edge Flow Into Turbine Rim Seals
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Topics: Cavities, Flow (Dynamics), Turbines, Cooling, Gases, Sealing (Process)
Journal Articles

Loss Analysis of Cavity Leakage Flow in a Compressor Cascade

Hefang Deng, Kailong Xia, Jinfang Teng, Shaopeng Lu, Mingmin Zhu, Xiaoqing Qiang
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. December 2022, 144(12): 121008.
Paper No: TURBO-22-1156
DOI: https://doi.org/10.1115/1.4055334
Published Online: September 19, 2022
View Article titled, Loss Analysis of Cavity Leakage Flow in a Compressor Cascade
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Topics: Cascades (Fluid dynamics), Cavities, Clearances (Engineering), Compressors, Entropy, Flow (Dynamics), Leakage flows, Pressure, Boundary layers, Leakage
Journal Articles

Influence of Vane Trailing Edge Flow on the Formation of Cavity Cells and Rim Sealing

Iván Monge-Concepción, Shawn Siroka, Reid A. Berdanier, Michael D. Barringer, Karen A. Thole, Christopher Robak
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. June 2022, 144(6): 061014.
Paper No: TURBO-21-1294
DOI: https://doi.org/10.1115/1.4054281
Published Online: May 10, 2022
View Article titled, Influence of Vane Trailing Edge Flow on the Formation of Cavity Cells and Rim Sealing
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Topics: Cavities, Flow (Dynamics), Pressure, Sealing (Process), Turbines, Cooling, Temperature
Journal Articles

Efficient Uncertainty Quantification and Sensitivity Analysis on the Aerothermal Performance of Turbine Blade Squealer Tip

Ming Huang, Zhigang Li, Jun Li, Liming Song
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. May 2022, 144(5): 051014.
Paper No: TURBO-21-1158
DOI: https://doi.org/10.1115/1.4054067
Published Online: March 31, 2022
View Article titled, Efficient Uncertainty Quantification and Sensitivity Analysis on the Aerothermal Performance of Turbine Blade Squealer Tip
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Topics: Blades, Cavities, Clearances (Engineering), Flow (Dynamics), Heat transfer, Leakage flows, Sensitivity analysis, Turbine blades, Uncertainty, Uncertainty quantification
Journal Articles

Analysis of the Loss Production Mechanism Due to Cavity–Main Flow Interaction in a Low-Pressure Turbine Stage

Dario Barsi, Davide Lengani, Daniele Simoni, Giulio Venturino, Francesco Bertini, Matteo Giovannini, Filippo Rubechini
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. September 2022, 144(9): 091004.
Paper No: TURBO-22-1013
DOI: https://doi.org/10.1115/1.4053745
Published Online: March 4, 2022
View Article titled, Analysis of the Loss Production Mechanism Due to Cavity–Main Flow Interaction in a Low-Pressure Turbine Stage
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Topics: Cavities, Flow (Dynamics), Pressure, Turbines, Cavity flows