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Journal Articles

Turbine Vane Passage Cooling Experiments With a Close-Coupled Combustor-Turbine Interface Geometry—Part I: Describing the Flow

Kedar P. Nawathe, Aaditya R. Nath, Yong W. Kim, Terrence W. Simon
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. October 2023, 145(10): 101005.
Paper No: TURBO-22-1251
https://doi.org/10.1115/1.4056439
Published Online: August 2, 2023
View Article titled, Turbine Vane Passage Cooling Experiments With a Close-Coupled Combustor-Turbine Interface Geometry—Part I: Describing the Flow
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Topics: Combustion chambers, Coolants, Cooling, Flow (Dynamics), Turbines, Vortices, Vorticity, Engines, Geometry
Journal Articles

Turbine Vane Passage Cooling Experiments With a Close-Coupled Combustor–Turbine Interface Geometry Part II: Describing the Coolant Coverage

Kedar P. Nawathe, Aaditya R. Nath, Yong W. Kim, Terrence W. Simon
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. October 2023, 145(10): 101006.
Paper No: TURBO-22-1252
https://doi.org/10.1115/1.4062802
Published Online: August 2, 2023
View Article titled, Turbine Vane Passage Cooling Experiments With a Close-Coupled Combustor–Turbine Interface Geometry Part II: Describing the Coolant Coverage
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Topics: Combustion chambers, Coolants, Cooling, Flow (Dynamics), Geometry, Phantom cooling, Pressure, Suction, Turbines, Vortices
Journal Articles

Investigation of the Interaction Between Tip Leakage and Main Annulus Flow in the Large Scale Turbine Rig: Comparison of Different Rotor Tip Geometries

Dominik Ade, Johannes Eitenmüller, Sebastian Leichtfuß, Heinz-Peter Schiffer, Christoph Lyko, Gregor Schmid
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. August 2023, 145(8): 081005.
Paper No: TURBO-22-1224
https://doi.org/10.1115/1.4062123
Published Online: April 3, 2023
View Article titled, Investigation of the Interaction Between Tip Leakage and Main Annulus Flow in the Large Scale Turbine Rig: Comparison of Different Rotor Tip Geometries
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Topics: Annulus, Blades, Flow (Dynamics), Leakage, Leakage flows, Rotors, Vortices, Turbines, Design
Journal Articles

Investigation of Tip Leakage Vortex Breakdown in a High-Speed Multistage Axial Compressor

Ryosuke Seki, Toshihiko Azuma, Junji Iwatani, Akihiro Nakaniwa, Hidetaka Okui, Takanori Shibata
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. July 2023, 145(7): 071017.
Paper No: TURBO-22-1184
https://doi.org/10.1115/1.4056981
Published Online: April 3, 2023
View Article titled, Investigation of Tip Leakage Vortex Breakdown in a High-Speed Multistage Axial Compressor
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Topics: Blades, Clearances (Engineering), Compressors, Leakage, Pressure, Vortices, Surges, Rotors, Flow (Dynamics)
Journal Articles

A Comprehensive Analytical Model for Vortex Shedding From Low-Speed Axial Fan Blades

Gábor Daku, János Vad
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. July 2023, 145(7): 071008.
Paper No: TURBO-22-1337
https://doi.org/10.1115/1.4056700
Published Online: February 10, 2023
View Article titled, A Comprehensive Analytical Model for Vortex Shedding From Low-Speed Axial Fan Blades
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Topics: Blades, Flow (Dynamics), Vortices, Wakes, Wire, Vortex shedding
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
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

Impact of Operating Conditions and Axial Casing Grooves on the Evolution of Flow Structure Across Blade Rows in an Axial Compressor

Ayush Saraswat, Subhra Shankha Koley, Joseph Katz
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. July 2023, 145(7): 071002.
Paper No: TURBO-22-1261
https://doi.org/10.1115/1.4056697
Published Online: February 9, 2023
View Article titled, Impact of Operating Conditions and Axial Casing Grooves on the Evolution of Flow Structure Across Blade Rows in an Axial Compressor
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Topics: Blades, Compressors, Flow (Dynamics), Rotors, Vorticity, Stators, Vortices, Pressure, Leakage flows, Machinery
Journal Articles

Lean-Burn Combustor Simulator for an Engine-Component Test Facility: An Experimental and Computational Study

Jonas Amend, Roderick Lubbock, Francesco Ornano, Thomas Povey
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. June 2023, 145(6): 061014.
Paper No: TURBO-22-1043
https://doi.org/10.1115/1.4056387
Published Online: January 30, 2023
View Article titled, Lean-Burn Combustor Simulator for an Engine-Component Test Facility: An Experimental and Computational Study
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Topics: Combustion chambers, Computational fluid dynamics, Flow (Dynamics), Pressure, Temperature, Coolants, Design, Engines, Simulation, Nozzle guide vanes
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
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

Turbine Vane Passage Experiments Documenting Evolution of Secondary Flows With Changes in Combustor Coolant Injection Flowrates

Kedar P. Nawathe, Yong W. Kim, Terrence W. Simon
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. April 2023, 145(4): 041016.
Paper No: TURBO-22-1253
https://doi.org/10.1115/1.4056440
Published Online: January 9, 2023
View Article titled, Turbine Vane Passage Experiments Documenting Evolution of Secondary Flows With Changes in Combustor Coolant Injection Flowrates
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Topics: Combustion chambers, Coolants, Flow (Dynamics), Vortices, Turbines
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

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
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

Numerical Investigations on Effect of Inflow Parameters on Development of Secondary Flow Field for Linear Low-Pressure Turbine Cascade

Anand P. Darji, Beena D. Baloni, Chetan S. Mistry
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. May 2023, 145(5): 051008.
Paper No: TURBO-22-1273
https://doi.org/10.1115/1.4056093
Published Online: November 25, 2022
View Article titled, Numerical Investigations on Effect of Inflow Parameters on Development of Secondary Flow Field for Linear Low-Pressure Turbine Cascade
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Topics: Cascades (Fluid dynamics), Flow (Dynamics), Inflow, Pressure, Turbines, Turbulence, Vortices, Design, Blades
Journal Articles

Numerical Investigation of Near-Tip Modifications for a Highly Loaded Low-Speed Rotor Under the Influence of Double Leakage

Jannik Eckel, Philipp von Jeinsen, Volker Gümmer
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. April 2023, 145(4): 041003.
Paper No: TURBO-22-1204
https://doi.org/10.1115/1.4055651
Published Online: November 3, 2022
View Article titled, Numerical Investigation of Near-Tip Modifications for a Highly Loaded Low-Speed Rotor Under the Influence of Double Leakage
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Topics: Blades, Design, Entropy, Flow (Dynamics), Leakage, Pressure, Rotors, Vortices, Compressors
Journal Articles

Low Reynolds Number Effects on the Endwall Flow Field in a High-Lift Turbine Passage

Molly H. Donovan, Markus P. Rumpfkeil, Christopher R. Marks, Zachary Robison, Andreas Gross
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. March 2023, 145(3): 031006.
Paper No: TURBO-22-1221
https://doi.org/10.1115/1.4055646
Published Online: October 17, 2022
View Article titled, Low Reynolds Number Effects on the Endwall Flow Field in a High-Lift Turbine Passage
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Topics: Flow (Dynamics), Pressure, Reynolds number, Vortices, Boundary layers, Turbines
Journal Articles

Computational and Experimental Study of Film-Cooling Effectiveness With and Without Downstream Vortex Generators

Chien-Shing Lee, Tom I-P. Shih, Douglas Straub, Justin M. Weber, Edward H. Robey
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. February 2023, 145(2): 021007.
Paper No: TURBO-22-1228
https://doi.org/10.1115/1.4055529
Published Online: October 12, 2022
View Article titled, Computational and Experimental Study of Film-Cooling Effectiveness With and Without Downstream Vortex Generators
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Topics: Film cooling, Flow (Dynamics), Temperature, Vortices, Generators, Heat transfer, Cooling
Journal Articles

Frequency Lock-In Phenomenon of Vortex Induced Vibration of a Rotating Blade Considering Bending-Torsion Coupling Effect

Yuankai Ren, Jianwei Lu, Gaoming Deng, Bofu Wu, Dinghua Zhou
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. February 2023, 145(2): 021003.
Paper No: TURBO-22-1052
https://doi.org/10.1115/1.4055528
Published Online: October 11, 2022
View Article titled, Frequency Lock-In Phenomenon of Vortex Induced Vibration of a Rotating Blade Considering Bending-Torsion Coupling Effect
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Topics: Blades, Locks (Waterways), Torsion, Vortex-induced vibration, Vortices, Rotating blades, Wakes, Damping
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
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

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
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

Vortex Unsteadiness in the Endwall Region of a High-Lift Low-Pressure Turbine Passage

Christopher R. Marks, Nathan Fletcher, Rolf Sondergaard
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. January 2023, 145(1): 011012.
Paper No: TURBO-22-1167
https://doi.org/10.1115/1.4055444
Published Online: October 7, 2022
View Article titled, Vortex Unsteadiness in the Endwall Region of a High-Lift Low-Pressure Turbine Passage
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Topics: Flow (Dynamics), Vortices, Pressure, Turbines, Fluctuations (Physics)