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Proceedings Papers

Experimental Evaluation of a Wavy Trailing Edge Cooling Design as an Alternative to Pressure Side Cutback Cooling

Izhar Ullah, Timothy A. Burdett, Lesley M. Wright, Je-Chin Han, Ching-Pang Lee
Proc. ASME. GT2022, Volume 6A: Heat Transfer — Combustors; Film Cooling, V06AT12A004, June 13–17, 2022
Paper No: GT2022-78286
DOI: https://doi.org/10.1115/GT2022-78286
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Topics: Cooling, Design, Film cooling, Pressure, Blades, Coolants, Cascades (Fluid dynamics), Suction, Density, Flow (Dynamics)
Journal Articles

Heat Transfer Enhancement in a Rectangular Cooling Channel With Airfoil Shaped Fins

Lesley M. Wright, Andrew F. Chen, Hao-Wei Wu, Je-Chin Han, Ching-Pang Lee, Salam Azad, Jae Um
Journal: Journal of Thermal Science and Engineering Applications
Article Type: Research Papers
J. Thermal Sci. Eng. Appl. August 2021, 13(4): 041026.
Paper No: TSEA-20-1248
DOI: https://doi.org/10.1115/1.4049424
Published Online: January 22, 2021
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Topics: Airfoils, Fins, Heat transfer, Heat transfer coefficients, Flow (Dynamics), Cooling, Strips, Temperature, Friction, Pressure
Journal Articles

Heat Transfer in a Rotating, Blade-Shaped Serpentine Cooling Passage With Discrete Ribbed Walls at High Reynolds Numbers

Lesley M. Wright, Shang-Feng Yang, Hao-Wei Wu, Je-Chin Han, Ching-Pang Lee, Salam Azad, Jae Um
Journal: Journal of Heat Transfer
Article Type: Research-Article
J. Heat Transfer. January 2020, 142(1): 012002.
Paper No: HT-19-1309
DOI: https://doi.org/10.1115/1.4045243
Published Online: November 8, 2019
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Topics: Coolants, Cooling, Flow (Dynamics), Heat transfer, Reynolds number, Rotation, Heat transfer coefficients, Pressure, Blades, Suction
Proceedings Papers

Numerical Study of Heat Transfer in Novel Wavy Trailing Edge Design for Gas Turbine Airfoils

Sarwesh Parbat, Li Yang, Minking Chyu, Sin Chien Siw, Ching-Pang Lee
Proc. ASME. GT2019, Volume 5A: Heat Transfer, V05AT10A007, June 17–21, 2019
Paper No: GT2019-91123
DOI: https://doi.org/10.1115/GT2019-91123
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Topics: Airfoils, Design, Gas turbines, Heat transfer, Blades, Cooling, Pressure, Coolants, Suction, Fluids
Journal Articles

Film Cooling Effectiveness Comparison on Full-Scale Turbine Vane Endwalls Using Pressure-Sensitive Paint Technique

Chao-Cheng Shiau, Andrew F Chen, Je-Chin Han, Salam Azad, Ching-Pang Lee
Journal: Journal of Turbomachinery
Article Type: Research-Article
J. Turbomach. February 2018, 140(2): 021009.
Paper No: TURBO-17-1168
DOI: https://doi.org/10.1115/1.4038278
Published Online: December 6, 2017
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Topics: Film cooling, Pressure, Flow (Dynamics), Coolants, Design, Turbines
Proceedings Papers

Film Cooling Effectiveness Comparison on Full-Scale Turbine Vane Endwalls Using PSP Technique

Chao-Cheng Shiau, Andrew F. Chen, Je-Chin Han, Salam Azad, Ching-Pang Lee
Proc. ASME. GT2017, Volume 5C: Heat Transfer, V05CT19A028, June 26–30, 2017
Paper No: GT2017-64994
DOI: https://doi.org/10.1115/GT2017-64994
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Topics: Film cooling, Turbines, Coolants, Flow (Dynamics), Cascades (Fluid dynamics), Density, Design, Durability, Errors, Failure
Proceedings Papers

Detailed Experimental Characterization of Heat Transfer Coefficient Over the Internal Cooling Passages of an Additive Manufactured Turbine Airfoil

Sin Chien Siw, Minking K. Chyu, Jae Y. Um, Ching-Pang Lee
Proc. ASME. GT2016, Volume 5A: Heat Transfer, V05AT13A029, June 13–17, 2016
Paper No: GT2016-57787
DOI: https://doi.org/10.1115/GT2016-57787
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Topics: Additive manufacturing, Airfoils, Cooling, Experimental characterization, Heat transfer coefficients, Turbines, Heat transfer, Pressure, Flow (Dynamics), Reynolds number
Journal Articles

Full-Scale Turbine Vane Endwall Film-Cooling Effectiveness Distribution Using Pressure-Sensitive Paint Technique

Chao-Cheng Shiau, Andrew F Chen, Je-Chin Han, Salam Azad, Ching-Pang Lee
Journal: Journal of Turbomachinery
Article Type: Research-Article
J. Turbomach. May 2016, 138(5): 051002.
Paper No: TURBO-15-1253
DOI: https://doi.org/10.1115/1.4032166
Published Online: January 12, 2016
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Topics: Coolants, Film cooling, Pressure, Turbines, Flow (Dynamics), Cooling, Cascades (Fluid dynamics)
Proceedings Papers

Full-Scale Turbine Vane End-Wall Film-Cooling Effectiveness Distribution Using PSP Technique

Chao-Cheng Shiau, Andrew F. Chen, Je-Chin Han, Salam Azad, Ching-Pang Lee
Proc. ASME. GT2015, Volume 5B: Heat Transfer, V05BT12A007, June 15–19, 2015
Paper No: GT2015-42206
DOI: https://doi.org/10.1115/GT2015-42206
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Topics: Film cooling, Turbines, Flow (Dynamics), Coolants, Cooling, Engines, Design, Cascades (Fluid dynamics), Combustion chambers, Density
Journal Articles

Heat Transfer in Rotating Serpentine Coolant Passage With Ribbed Walls at Low Mach Numbers

Shang-Feng Yang, Je-Chin Han, Salam Azad, Ching-Pang Lee
Journal: Journal of Thermal Science and Engineering Applications
Article Type: Research-Article
J. Thermal Sci. Eng. Appl. March 2015, 7(1): 011013.
Paper No: TSEA-14-1056
DOI: https://doi.org/10.1115/1.4028905
Published Online: March 1, 2015
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Topics: Coolants, Flow (Dynamics), Heat transfer, Rotation, Reynolds number, Mach number
Proceedings Papers

Jet Mixing in a Slot

Ting Wang, Sekhar Chintalapati, Ronald S. Bunker, Ching Pang Lee
Proc. ASME. GT1998, Volume 4: Heat Transfer; Electric Power; Industrial and Cogeneration, V004T09A007, June 2–5, 1998
Paper No: 98-GT-056
DOI: https://doi.org/10.1115/98-GT-056
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Topics: Cooling, Flow (Dynamics), Gas turbines, High pressure (Physics), Jets, Pressure, Shear (Mechanics)
Journal Articles

Heat Transfer Measurements in Rotating Blade–Shape Serpentine Coolant Passage With Ribbed Walls at High Reynolds Numbers

Akhilesh Rallabandi, Jiang Lei, Je-Chin Han, Salam Azad, Ching-Pang Lee
Journal: Journal of Turbomachinery
Article Type: Research-Article
J. Turbomach. September 2014, 136(9): 091004.
Paper No: TURBO-14-1002
DOI: https://doi.org/10.1115/1.4026945
Published Online: March 17, 2014
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Topics: Flow (Dynamics), Heat transfer, Heat transfer coefficients, Reynolds number, Rotation, Shapes, Fluids, Coolants, Temperature, Buoyancy
Proceedings Papers

Heat Transfer in Rotating Serpentine Coolant Passage With Ribbed Walls at Low Mach Numbers

Shang-Feng Yang, Je-Chin Han, Salam Azad, Ching-Pang Lee
Proc. ASME. GT2013, Volume 3A: Heat Transfer, V03AT12A009, June 3–7, 2013
Paper No: GT2013-94288
DOI: https://doi.org/10.1115/GT2013-94288
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Topics: Coolants, Heat transfer, Mach number, Rotation, Reynolds number, Flow (Dynamics), Heat transfer coefficients, Blades, Copper, Fluids
Proceedings Papers

Heat Transfer Measurements in Rotating Blade-Shape Serpentine Coolant Passage With Ribbed Walls at High Reynolds Numbers

Akhilesh Rallabandi, Jiang Lei, Je-Chin Han, Salam Azad, Ching-Pang Lee
Proc. ASME. GT2013, Volume 3A: Heat Transfer, V03AT12A004, June 3–7, 2013
Paper No: GT2013-94162
DOI: https://doi.org/10.1115/GT2013-94162
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Topics: Blades, Coolants, Heat transfer, Reynolds number, Shapes, Rotation, Heat transfer coefficients, Cooling, Flow (Dynamics), Fluids
Proceedings Papers

In-Wall Network (Mesh) Cooling Augmentation of Gas Turbine Airfoils

Ronald S. Bunker, Jeremy C. Bailey, Ching-Pang Lee, Charles W. Stevens
Proc. ASME. GT2004, Volume 3: Turbo Expo 2004, 1007-1018, June 14–17, 2004
Paper No: GT2004-54260
DOI: https://doi.org/10.1115/GT2004-54260
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Topics: Airfoils, Cooling, Gas turbines, Heat transfer, Pins (Engineering), Diamonds, Pressure, Design, Friction, Investment castings
Proceedings Papers

Analysis of Some Improved Blade Tip Concepts

Chander Prakash, Ching-Pang Lee, David Cherry, Aspi Wadia, Roger Doughty
Proc. ASME. GT2005, Volume 6: Turbo Expo 2005, Parts A and B, 529-533, June 6–9, 2005
Paper No: GT2005-68333
DOI: https://doi.org/10.1115/GT2005-68333
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Topics: Blades, Leakage, Pressure, Turbines, Clearances (Engineering), Computational fluid dynamics, Flow (Dynamics), High pressure (Physics), Separation (Technology)