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Journal Articles

Impact of Low Freestream Turbulence and Surface Roughness on the Flat-Plate Boundary Layer Transition Under a High-Lift Airfoil Pressure Gradient

Heechan Jeong, Seung Jin Song
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. November 2024, 146(11): 111003.
Paper No: TURBO-23-1272
https://doi.org/10.1115/1.4065494
Published Online: May 23, 2024
View Article titled, Impact of Low Freestream Turbulence and Surface Roughness on the Flat-Plate Boundary Layer Transition Under a High-Lift Airfoil Pressure Gradient
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Topics: Boundary layers, Free stream turbulence, Surface roughness, Turbulence, Flat plates, Pressure gradient, Airfoils
Journal Articles

Impact of Flow Unsteadiness on Turbine Airfoil Heat Transfer via Streaming

Tapish Agarwal, Ian Jacobi, Beni Cukurel
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. September 2024, 146(9): 091004.
Paper No: TURBO-23-1120
https://doi.org/10.1115/1.4065123
Published Online: April 4, 2024
View Article titled, Impact of Flow Unsteadiness on Turbine Airfoil Heat Transfer via Streaming
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Topics: Airfoils, Flow (Dynamics), Heat transfer, Skin friction (Fluid dynamics), Turbines, Pressure gradient, Fluctuations (Physics), Turbine blades, Pressure, Waves
Journal Articles

Effects of Riblet Dimensions on the Transitional Boundary Layers Over High-Lift Turbine Blades

S. M. Ananth, Massimiliano Nardini, Aditya Vaid, Melissa Kozul, Nagabhushana Rao Vadlamani, Richard D. Sandberg
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. March 2024, 146(3): 031012.
Paper No: TURBO-23-1250
https://doi.org/10.1115/1.4064087
Published Online: December 14, 2023
View Article titled, Effects of Riblet Dimensions on the Transitional Boundary Layers Over High-Lift Turbine Blades
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Topics: Blades, Boundary layers, Dimensions, Flow (Dynamics), Surface roughness, Turbulence, Turbine blades, Skin friction (Fluid dynamics), Simulation, Pressure gradient
Journal Articles

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

Jiangdong Hou, Chao Zhou
Journal: Journal of Turbomachinery
Publisher: ASME
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

Experimental Study of Film Cooling With Favorable and Adverse Pressure Gradients

Ralph J. Volino, Matthew C. Gillcrist
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. June 2023, 145(6): 061003.
Paper No: TURBO-22-1195
https://doi.org/10.1115/1.4056205
Published Online: December 6, 2022
View Article titled, Experimental Study of Film Cooling With Favorable and Adverse Pressure Gradients
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Topics: Boundary layers, Film cooling, Flow (Dynamics), Jets, Pressure gradient, Temperature, Heat transfer, Turbulence
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
Publisher: ASME
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

Unsteady Lattice Boltzmann Simulations of Corner Separation in a Compressor Cascade

J. Boudet, E. Lévêque, H. Touil
Journal: Journal of Turbomachinery
Publisher: ASME
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

Surface Curvature Effects on Film Cooling Performance for Shaped Holes on a Model Turbine Blade

Jacob D. Moore, Christopher Yoon, David G. Bogard
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. November 2020, 142(11): 111008.
Paper No: TURBO-20-1203
https://doi.org/10.1115/1.4048582
Published Online: October 16, 2020
View Article titled, Surface Curvature Effects on Film Cooling Performance for Shaped Holes on a Model Turbine Blade
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Topics: Film cooling, Flat plates, Gas turbines, Blades, Coolants, Turbine blades, Pressure gradient
Journal Articles

Evaluation of Turbulent Spot Production Rate in Boundary Layers Under Variable Pressure Gradients for Gas Turbine Applications

M. Dellacasagrande, D. Lengani, D. Simoni, M. Ubaldi, P. Zunino
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. June 2020, 142(6): 061003.
Paper No: TURBO-19-1180
https://doi.org/10.1115/1.4046494
Published Online: May 12, 2020
View Article titled, Evaluation of Turbulent Spot Production Rate in Boundary Layers Under Variable Pressure Gradients for Gas Turbine Applications
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Topics: Boundary layers, Flow (Dynamics), Pressure gradient, Reynolds number, Turbulence, Separation (Technology), Gas turbines
Journal Articles

Skin Friction Measurements of Transition in High Reynolds Number, Adverse Pressure Gradient Flow

Brian M. Holley, Larry W. Hardin, Gregory Tillman, Ray-Sing Lin, Jongwook Joo
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. February 2020, 142(2): 021001.
Paper No: TURBO-19-1171
https://doi.org/10.1115/1.4045166
Published Online: January 24, 2020
View Article titled, Skin Friction Measurements of Transition in High Reynolds Number, Adverse Pressure Gradient Flow
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Topics: Acoustics, Airfoils, Boundary layers, Flow (Dynamics), Pressure gradient, Reynolds number, Skin friction (Fluid dynamics), Tunnels, Turbulence, Wind tunnels
Journal Articles

Efficient Design Method for Applying Vortex Generators in Turbomachinery

Jiabin Li, Lucheng Ji
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. August 2019, 141(8): 081005.
Paper No: TURBO-18-1213
https://doi.org/10.1115/1.4042990
Published Online: March 13, 2019
View Article titled, Efficient Design Method for Applying Vortex Generators in Turbomachinery
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Topics: Blades, Boundary layers, Computational fluid dynamics, Design, Design methodology, Flow (Dynamics), Generators, Mesh generation, Optimization, Pressure
Journal Articles

Double Wall Cooling of a Full-Coverage Effusion Plate With Main Flow Pressure Gradient, Including Internal Impingement Array Cooling

Sneha Reddy Vanga, David Ritchie, Austin Click, Zhong Ren, Phil Ligrani, Federico Liberatore, Rajeshriben Patel, Ram Srinivasan, Yin-Hsiang Ho
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. April 2019, 141(4): 041002.
Paper No: TURBO-18-1200
https://doi.org/10.1115/1.4041750
Published Online: January 21, 2019
View Article titled, Double Wall Cooling of a Full-Coverage Effusion Plate With Main Flow Pressure Gradient, Including Internal Impingement Array Cooling
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Topics: Coolants, Flow (Dynamics), Heat transfer coefficients, Cooling, Reynolds number, Film cooling, Pressure gradient
Journal Articles

Investigation of Thermal Effect on Bypass Transition on a High-Pressure Turbine Guide Vane

Tânia S. Cação Ferreira, Nikolaos Vasilakopoulos, Tony Arts
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. May 2019, 141(5): 051006.
Paper No: TURBO-18-1294
https://doi.org/10.1115/1.4041909
Published Online: January 21, 2019
View Article titled, Investigation of Thermal Effect on Bypass Transition on a High-Pressure Turbine Guide Vane
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Topics: Flow (Dynamics), Heat transfer coefficients, Temperature, Turbulence, Mach number, Pressure gradient, Turbines, Reynolds number, Guide vanes, Boundary layers
Journal Articles

Effects of Area Ratio and Mean Rise Angle on the Aerodynamics of Interturbine Ducts

Yanfeng Zhang, Shuzhen Hu, Ali Mahallati, Xue-Feng Zhang, Edward Vlasic
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. September 2018, 140(9): 091006.
Paper No: TURBO-16-1144
https://doi.org/10.1115/1.4039936
Published Online: August 28, 2018
View Article titled, Effects of Area Ratio and Mean Rise Angle on the Aerodynamics of Interturbine Ducts
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Topics: Boundary layers, Ducts, Flow (Dynamics), Pressure, Separation (Technology), Wakes, Vortices, Pressure gradient, Aerodynamics
Journal Articles

Modeling of Laminar-Turbulent Transition in Boundary Layers and Rough Turbine Blades

Liang Wei, Xuan Ge, Jacob George, Paul Durbin
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. November 2017, 139(11): 111009.
Paper No: TURBO-16-1283
https://doi.org/10.1115/1.4037670
Published Online: September 6, 2017
View Article titled, Modeling of Laminar-Turbulent Transition in Boundary Layers and Rough Turbine Blades
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Topics: Boundary layers, Surface roughness, Turbine blades, Turbulence, Pressure gradient, Flow (Dynamics), Flat plates, Skin friction (Fluid dynamics)
Journal Articles

Correlation-Based Riblet Model for Turbomachinery Applications

Viktor Koepplin, Florian Herbst, Joerg R. Seume
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. July 2017, 139(7): 071006.
Paper No: TURBO-16-1190
https://doi.org/10.1115/1.4035605
Published Online: February 28, 2017
View Article titled, Correlation-Based Riblet Model for Turbomachinery Applications
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Topics: Cascades (Fluid dynamics), Drag (Fluid dynamics), Drag reduction, Flat plates, Flow (Dynamics), Pressure gradient, Turbomachinery, Compressors, Design, Boundary layers
Journal Articles

Combined Effects of Freestream Pressure Gradient and Density Ratio on the Film Cooling Effectiveness of Round and Shaped Holes on a Flat Plate

Kyle R. Vinton, Travis B. Watson, Lesley M. Wright, Daniel C. Crites, Mark C. Morris, Ardeshir Riahi
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. April 2017, 139(4): 041003.
Paper No: TURBO-16-1223
https://doi.org/10.1115/1.4035044
Published Online: January 4, 2017
View Article titled, Combined Effects of Freestream Pressure Gradient and Density Ratio on the Film Cooling Effectiveness of Round and Shaped Holes on a Flat Plate
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Topics: Coolants, Density, Film cooling, Flow (Dynamics), Pressure, Pressure gradient, Flat plates, Momentum, Cooling
Journal Articles

Competing Three-Dimensional Mechanisms in Compressor Flows

James V. Taylor, Robert J. Miller
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. February 2017, 139(2): 021009.
Paper No: TURBO-16-1210
https://doi.org/10.1115/1.4034685
Published Online: October 4, 2016
View Article titled, Competing Three-Dimensional Mechanisms in Compressor Flows
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Topics: Blades, Computational fluid dynamics, Corners (Structural elements), Design, Pressure gradient, Separation (Technology), Flow (Dynamics), Uncertainty, Compressors, Boundary layers
Journal Articles

A Simplified Model Predicting the Kelvin–Helmholtz Instability Frequency for Laminar Separated Flows

Daniele Simoni, Marina Ubaldi, Pietro Zunino
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Technical Briefs
J. Turbomach. April 2016, 138(4): 044501.
Paper No: TURBO-15-1014
https://doi.org/10.1115/1.4032162
Published Online: December 29, 2015
View Article titled, A Simplified Model Predicting the Kelvin–Helmholtz Instability Frequency for Laminar Separated Flows
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Topics: Boundary layers, Flow (Dynamics), Pressure gradient, Reynolds number, Separation (Technology), Shear (Mechanics), Stability, Waves, Airfoils, Blades
Journal Articles

Exploitation of Subharmonics for Separated Shear Layer Control on a High-Lift Low-Pressure Turbine Using Acoustic Forcing

Chiara Bernardini, Stuart I. Benton, Jen-Ping Chen, Jeffrey P. Bons
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. May 2014, 136(5): 051018.
Paper No: TURBO-13-1144
https://doi.org/10.1115/1.4025586
Published Online: October 24, 2013
View Article titled, Exploitation of Subharmonics for Separated Shear Layer Control on a High-Lift Low-Pressure Turbine Using Acoustic Forcing
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Topics: Excitation, Flow (Dynamics), Pressure, Separation (Technology), Shear (Mechanics), Turbulence, Vortices, Acoustics, Turbines, Blades