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Journal Articles

IMPACT OF THE WALL-PARALLEL LENGTH SCALE OF ROUGHNESS ON THE DEVELOPMENT OF TURBULENT BOUNDARY LAYERS IN TURBINES

Accepted Manuscript
Abigail M. Berhane, John P. Longley
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-24-1185
https://doi.org/10.1115/1.4066579
Published Online: September 18, 2024
View Article titled, IMPACT OF THE WALL-PARALLEL LENGTH SCALE OF ROUGHNESS ON THE DEVELOPMENT OF TURBULENT BOUNDARY LAYERS IN TURBINES
Open the PDF for IMPACT OF THE WALL-PARALLEL LENGTH SCALE OF ROUGHNESS ON THE DEVELOPMENT OF TURBULENT BOUNDARY LAYERS IN TURBINES in another window
Topics: Boundary layer turbulence, Surface roughness, Turbine blades, Turbines, Turbochargers, Sands, Separation (Technology), Additive manufacturing, Boundary layers, Compressors
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
Open the PDF for Impact of Low Freestream Turbulence and Surface Roughness on the Flat-Plate Boundary Layer Transition Under a High-Lift Airfoil Pressure Gradient in another window
Topics: Boundary layers, Free stream turbulence, Surface roughness, Turbulence, Flat plates, Pressure gradient, Airfoils
Journal Articles

Pressure Sensitive Paint and Large Eddy Simulation Investigation on the Impact of Trench Depth on Flat Plate Film Cooling Through Shaped Holes

H. Abdeh, G. Barigozzi, A. Zamiri, J. T. Chung
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. May 2024, 146(5): 051001.
Paper No: TURBO-23-1282
https://doi.org/10.1115/1.4064229
Published Online: December 21, 2023
View Article titled, Pressure Sensitive Paint and Large Eddy Simulation Investigation on the Impact of Trench Depth on Flat Plate Film Cooling Through Shaped Holes
Open the PDF for Pressure Sensitive Paint and Large Eddy Simulation Investigation on the Impact of Trench Depth on Flat Plate Film Cooling Through Shaped Holes in another window
Topics: Coolants, Film cooling, Flat plates, Large eddy simulation, Pressure, Geometry, Flow (Dynamics), Cooling, Wind tunnels
Journal Articles

Effects of Ribbed Surfaces on Profile Losses of Low-Pressure Turbine Blades

M. Dellacasagrande, D. Lengani, D. Simoni, M. Ubaldi, F. Bertini
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 2023, 145(10): 101009.
Paper No: TURBO-22-1292
https://doi.org/10.1115/1.4063049
Published Online: August 16, 2023
View Article titled, Effects of Ribbed Surfaces on Profile Losses of Low-Pressure Turbine Blades
Open the PDF for Effects of Ribbed Surfaces on Profile Losses of Low-Pressure Turbine Blades in another window
Topics: Blades, Boundary layers, Cascades (Fluid dynamics), Flat plates, Geometry, Pressure, Reynolds number, Suction, Turbines, Turbulence
Journal Articles

Impact of Temperature Ratio on Overall Cooling Performance: Low-Order-Model-Based Analysis of Experiment Design

Aravin Dass Naidu, Thomas Povey
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. September 2023, 145(9): 091006.
Paper No: TURBO-22-1173
https://doi.org/10.1115/1.4062279
Published Online: June 9, 2023
View Article titled, Impact of Temperature Ratio on Overall Cooling Performance: Low-Order-Model-Based Analysis of Experiment Design
Open the PDF for Impact of Temperature Ratio on Overall Cooling Performance: Low-Order-Model-Based Analysis of Experiment Design in another window
Topics: Coolants, Cooling, Temperature, Flat plates, Engines
Journal Articles

Scaling Flat Plate Overall Effectiveness Measurements

Luke J. McNamara, Jacob P. Fischer, Marta E. Kernan, James L. Rutledge
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. March 2023, 145(3): 031003.
Paper No: TURBO-22-1212
https://doi.org/10.1115/1.4055614
Published Online: October 17, 2022
View Article titled, Scaling Flat Plate Overall Effectiveness Measurements
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Topics: Coolants, Flat plates, Gases, Thermal conductivity, Cooling, Temperature, Carbon dioxide, Reynolds number, Engines, Specific heat
Journal Articles

Detached Eddy Simulation of the Unsteady Flow and Film Cooling Characteristics of an Endwall With an Interrupted Slot

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 Article titled, Detached Eddy Simulation of the Unsteady Flow and Film Cooling Characteristics of an Endwall With an Interrupted Slot
Open the PDF for Detached Eddy Simulation of the Unsteady Flow and Film Cooling Characteristics of an Endwall With an Interrupted Slot in another window
Topics: Coolants, Film cooling, Flat plates, Flow (Dynamics), Simulation, Unsteady flow, Vortices, Eddies (Fluid dynamics), Temperature, Vorticity
Journal Articles

Film Cooling Effectiveness Measurement of Fan-Shaped Holes Manufactured Using Electrical Discharge Machining Technique

S. Rouina, H. Abdeh, G. Barigozzi, V. Odemondo, L. Abba, M. Iannone
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. July 2022, 144(7): 071008.
Paper No: TURBO-21-1204
https://doi.org/10.1115/1.4053236
Published Online: March 2, 2022
View Article titled, Film Cooling Effectiveness Measurement of Fan-Shaped Holes Manufactured Using Electrical Discharge Machining Technique
Open the PDF for Film Cooling Effectiveness Measurement of Fan-Shaped Holes Manufactured Using Electrical Discharge Machining Technique in another window
Topics: Coolants, Electrical discharge machining, Film cooling, Manufacturing, Diffusers, Pressure, Flat plates, Flow (Dynamics), Reynolds number
Journal Articles

Novel Focal Sweep Strategy for Optical Aerothermal Measurements of Film-Cooled Gas Turbine Blades With Highly Inclined Viewing Angle

Hongyi Shao, Xu Zhang, Di Peng, Yingzheng Liu, Wenwu Zhou, Wenbin Chen, Yihong He, Fei Zeng
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. March 2022, 144(3): 031008.
Paper No: TURBO-21-1075
https://doi.org/10.1115/1.4052406
Published Online: October 5, 2021
View Article titled, Novel Focal Sweep Strategy for Optical Aerothermal Measurements of Film-Cooled Gas Turbine Blades With Highly Inclined Viewing Angle
Open the PDF for Novel Focal Sweep Strategy for Optical Aerothermal Measurements of Film-Cooled Gas Turbine Blades With Highly Inclined Viewing Angle in another window
Topics: Film cooling, Blades, Pressure, Gas turbines, Flat plates, Turbine blades
Journal Articles

V-Shaped Holes for Full Coverage Film Cooling of a High-Pressure Nozzle Guide Vane

G. Barigozzi, H. Abdeh, S. Rouina, L. Abba, M. Iannone, V. Odemondo
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. November 2021, 143(11): 111004.
Paper No: TURBO-20-1270
https://doi.org/10.1115/1.4051081
Published Online: June 15, 2021
View Article titled, V-Shaped Holes for Full Coverage Film Cooling of a High-Pressure Nozzle Guide Vane
Open the PDF for V-Shaped Holes for Full Coverage Film Cooling of a High-Pressure Nozzle Guide Vane in another window
Topics: Cascades (Fluid dynamics), Coolants, Cooling, Film cooling, Flow (Dynamics), Geometry, Pressure, Suction, High pressure (Physics), Nozzle guide vanes
Journal Articles

Heat Transfer Coefficient Augmentation for a Shaped Film Cooling Hole at a Range of Compound Angles

Shane Haydt, Stephen Lynch
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. May 2021, 143(5): 051012.
Paper No: TURBO-19-1318
https://doi.org/10.1115/1.4046964
Published Online: April 15, 2021
View Article titled, Heat Transfer Coefficient Augmentation for a Shaped Film Cooling Hole at a Range of Compound Angles
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Topics: Coolants, Film cooling, Heat flux, Heat transfer coefficients, Temperature, Vortices, Flow (Dynamics), Heat transfer, Flat plates
Journal Articles

The Effects of Inlet Boundary Layer Condition and Periodically Incoming Wakes on Secondary Flow in a Low Pressure Turbine Cascade

Tobias Schubert, Silvio Chemnitz, Reinhard Niehuis
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. April 2021, 143(4): 041001.
Paper No: TURBO-20-1250
https://doi.org/10.1115/1.4050116
Published Online: March 2, 2021
View Article titled, The Effects of Inlet Boundary Layer Condition and Periodically Incoming Wakes on Secondary Flow in a Low Pressure Turbine Cascade
Open the PDF for The Effects of Inlet Boundary Layer Condition and Periodically Incoming Wakes on Secondary Flow in a Low Pressure Turbine Cascade in another window
Topics: Blades, Boundary layers, Cascades (Fluid dynamics), Design, Flow (Dynamics), Inflow, Pressure, Turbines, Wakes, Flat plates
Journal Articles

Numerical Investigation of Effects of Blockage, Inclination Angle, and Hole-Size on Film Cooling Effectiveness at Concave Surface

Fu-qiang Wang, Jian Pu, Jian-hua Wang, Wei-dong Xia
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. February 2021, 143(2): 021007.
Paper No: TURBO-20-1223
https://doi.org/10.1115/1.4049786
Published Online: February 2, 2021
View Article titled, Numerical Investigation of Effects of Blockage, Inclination Angle, and Hole-Size on Film Cooling Effectiveness at Concave Surface
Open the PDF for Numerical Investigation of Effects of Blockage, Inclination Angle, and Hole-Size on Film Cooling Effectiveness at Concave Surface in another window
Topics: Film cooling, Pressure, Coolants, Flat plates
Journal Articles

Scalable Heat Transfer Characterization on Film Cooled Geometries Based on Discrete Green’s Functions

Jorge Saavedra, Venkat Athmanathan, Guillermo Paniagua, Terrence Meyer, Doug Straub, James Black, Sridharan Ramesh
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. February 2021, 143(2): 021005.
Paper No: TURBO-20-1226
https://doi.org/10.1115/1.4049613
Published Online: February 1, 2021
View Article titled, Scalable Heat Transfer Characterization on Film Cooled Geometries Based on Discrete Green’s Functions
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Topics: Flat plates, Heat flux, Heat transfer, Temperature, Wall temperature, Flow (Dynamics), Errors, Heat, Boundary-value problems, Simulation
Journal Articles

Stress-Blended Eddy Simulation/Flamelet Generated Manifold Simulation of Film-Cooled Surface Heat Transfer and Near-Wall Reaction

Yu Xia, Patrick Sharkey, Stefano Orsino, Mike Kuron, Florian Menter, Ishan Verma, Robert Malecki, Baris Sen
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. January 2021, 143(1): 011008.
Paper No: TURBO-20-1204
https://doi.org/10.1115/1.4049133
Published Online: December 29, 2020
View Article titled, Stress-Blended Eddy Simulation/Flamelet Generated Manifold Simulation of Film-Cooled Surface Heat Transfer and Near-Wall Reaction
Open the PDF for Stress-Blended Eddy Simulation/Flamelet Generated Manifold Simulation of Film-Cooled Surface Heat Transfer and Near-Wall Reaction in another window
Topics: Cooling, Heat flux, Simulation, Flamelet generated manifold, Heat transfer, Flat plates, Stress, Eddies (Fluid dynamics), Computational fluid dynamics
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

Scaling Flat-Plate, Low-Temperature Adiabatic Effectiveness Results Using the Advective Capacity Ratio

Jacob P. Fischer, Luke J. McNamara, James L. Rutledge, Marc D. Polanka
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. August 2020, 142(8): 081010.
Paper No: TURBO-19-1124
https://doi.org/10.1115/1.4046544
Published Online: July 29, 2020
View Article titled, Scaling Flat-Plate, Low-Temperature Adiabatic Effectiveness Results Using the Advective Capacity Ratio
Open the PDF for Scaling Flat-Plate, Low-Temperature Adiabatic Effectiveness Results Using the Advective Capacity Ratio in another window
Topics: Coolants, Density, Flat plates, Flow (Dynamics), Gases, Low temperature, Turbulence, Momentum, Specific heat, Film cooling
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
Open the PDF for Skin Friction Measurements of Transition in High Reynolds Number, Adverse Pressure Gradient Flow in another window
Topics: Acoustics, Airfoils, Boundary layers, Flow (Dynamics), Pressure gradient, Reynolds number, Skin friction (Fluid dynamics), Tunnels, Turbulence, Wind tunnels
Journal Articles

Effect of Density Ratio on Film-Cooling Effectiveness Distribution and Its Uniformity for Several Hole Geometries on a Flat Plate

Jiaxu Yao, Jin Xu, Ke Zhang, Jiang Lei, Lesley M. Wright
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. May 2019, 141(5): 051008.
Paper No: TURBO-18-1119
https://doi.org/10.1115/1.4041810
Published Online: January 22, 2019
View Article titled, Effect of Density Ratio on Film-Cooling Effectiveness Distribution and Its Uniformity for Several Hole Geometries on a Flat Plate
Open the PDF for Effect of Density Ratio on Film-Cooling Effectiveness Distribution and Its Uniformity for Several Hole Geometries on a Flat Plate in another window
Topics: Density, Film cooling, Shapes, Flat plates
Journal Articles

Effects of Density and Blowing Ratios on the Turbulent Structure and Effectiveness of Film Cooling

Zachary T. Stratton, Tom I-P. Shih
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. October 2018, 140(10): 101007.
Paper No: TURBO-18-1195
https://doi.org/10.1115/1.4041218
Published Online: September 28, 2018
View Article titled, Effects of Density and Blowing Ratios on the Turbulent Structure and Effectiveness of Film Cooling
Open the PDF for Effects of Density and Blowing Ratios on the Turbulent Structure and Effectiveness of Film Cooling in another window
Topics: Boundary layer turbulence, Boundary layers, Density, Film cooling, Flow (Dynamics), Turbulence, Vortices, Cooling, Shear (Mechanics), Vorticity