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Proceedings Papers

Recent Advancements in the Pressure Sensitive Paint (PSP) Technique for Film Cooling Effectiveness Measurements

Lesley M. Wright, Je-Chin Han
Proc. ASME. HT2024, ASME 2024 Heat Transfer Summer Conference, V001T15A001, July 15–17, 2024
Publisher: American Society of Mechanical Engineers
Paper No: HT2024-131091
https://doi.org/10.1115/HT2024-131091
View Paper titled, Recent Advancements in the Pressure Sensitive Paint (PSP) Technique for Film Cooling Effectiveness Measurements
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Topics: Cooling, Film cooling, Gas turbines, Paints, Pressure
Proceedings Papers

Film Cooling Performance Comparison of Blade Tips With a Trailing Edge, Pressure Side Cutback or a Suction Side Squealer in a Transonic Linear Cascade

Ming-Feng Yeh, Timothy A. Burdett, Lesley M. Wright, Je-Chin Han
Proc. ASME. GT2024, Volume 7: Heat Transfer: Combustors; Heat Transfer: Film Cooling, V007T12A020, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-124605
https://doi.org/10.1115/GT2024-124605
View Paper titled, Film Cooling Performance Comparison of Blade Tips With a Trailing Edge, Pressure Side Cutback or a Suction Side Squealer in a Transonic Linear Cascade
Open the PDF for Film Cooling Performance Comparison of Blade Tips With a Trailing Edge, Pressure Side Cutback or a Suction Side Squealer in a Transonic Linear Cascade in another window
Topics: Blades, Cascades (Fluid dynamics), Density, Film cooling, Leakage flows, Pressure, Suction
Proceedings Papers

Heat Transfer Coefficients in a Three-Passage Ribbed Channel Using a Transient Liquid Crystal Technique

Lesley M. Wright, Chao-Cheng Shiau, Je-Chin Han, Robert Krewinkel
Proc. ASME. GT2024, Volume 8: Heat Transfer: Internal Air Systems; Heat Transfer: Internal Cooling; Industrial and Cogeneration, V008T15A032, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-129107
https://doi.org/10.1115/GT2024-129107
View Paper titled, Heat Transfer Coefficients in a Three-Passage Ribbed Channel Using a Transient Liquid Crystal Technique
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Topics: Heat transfer coefficients, Liquid crystals, Transients (Dynamics), Flow (Dynamics), Temperature, Transient heat transfer, Convection, Heat transfer, Blades, Boundary-value problems
Journal Articles

Effect of Strip-Fin Height on Jet Impingement Heat Transfer in a Rectangular Channel at Two Jet-to-Target Surface Spacings

Yasser S. Alzahrani, Lesley M. Wright, Je-Chin Han
Journal: ASME Journal of Heat and Mass Transfer
Publisher: ASME
Article Type: Research-Article
J. Heat Mass Transfer. May 2024, 146(5): 052303.
Paper No: HT-23-1470
https://doi.org/10.1115/1.4065086
Published Online: March 28, 2024
View Article titled, Effect of Strip-Fin Height on Jet Impingement Heat Transfer in a Rectangular Channel at Two Jet-to-Target Surface Spacings
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Topics: Fins, Flow (Dynamics), Heat transfer, Pressure, Reynolds number, Strips, Temperature, Jets
Includes: Supplementary data
Journal Articles

Turning Region Heat Transfer in Five, Stationary and Rotating, Multipass Channels With Various Aspect Ratios

I-Lun Chen, Lesley M. Wright, Je-Chin Han
Journal: Journal of Thermal Science and Engineering Applications
Publisher: ASME
Article Type: Research Papers
J. Thermal Sci. Eng. Appl. April 2024, 16(4): 041001.
Paper No: TSEA-23-1422
https://doi.org/10.1115/1.4064427
Published Online: January 29, 2024
View Article titled, Turning Region Heat Transfer in Five, Stationary and Rotating, Multipass Channels With Various Aspect Ratios
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Topics: Design, Heat transfer, Turning vanes, Flow (Dynamics)
Proceedings Papers

Turning Region Heat Transfer in Five, Stationary and Rotating, Multi-Pass Channels With Various Aspect Ratios

I-Lun Chen, Lesley M. Wright, Je-Chin Han
Proc. ASME. GT2023, Volume 7B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V07BT15A008, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103275
https://doi.org/10.1115/GT2023-103275
View Paper titled, Turning Region Heat Transfer in Five, Stationary and Rotating, Multi-Pass Channels With Various Aspect Ratios
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Topics: Blades, Cooling, Heat transfer, Turning, Turning vanes
Proceedings Papers

Effect of Strip-Fin Height on Jet Impingement Heat Transfer in a Rectangular Channel With Two Jet-to-Target Surface Spacings

Yasser S. Alzahrani, Lesley M. Wright, Je-Chin Han
Proc. ASME. GT2023, Volume 7B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V07BT15A011, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-104128
https://doi.org/10.1115/GT2023-104128
View Paper titled, Effect of Strip-Fin Height on Jet Impingement Heat Transfer in a Rectangular Channel With Two Jet-to-Target Surface Spacings
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Topics: Fins, Heat transfer, Strips
Proceedings Papers

Detailed Heat Transfer Coefficient Distributions Under an Array of Impinging Jets With Coolant Extraction

Yizhe Huang, Srinath V. Ekkad, Je-Chin Han
Proc. ASME. IMECE96, Heat Transfer: Volume 2 — Heat Transfer in Turbulent Flows; Fundamentals of Convection Heat Transfer; Fundamentals of Natural Convection in Laminar and Turbulent Flows; Natural Circulation, 143-150, November 17–22, 1996
Publisher: American Society of Mechanical Engineers
Paper No: IMECE1996-0067
https://doi.org/10.1115/IMECE1996-0067
View Paper titled, Detailed Heat Transfer Coefficient Distributions Under an Array of Impinging Jets With Coolant Extraction
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Topics: Coolants, Heat transfer coefficients, Jets, Heat transfer, Flow (Dynamics), Coating processes, Coatings, Impingement cooling, Liquid crystals, Pressure
Journal Articles

Film Cooling Comparison of Full-Scale Turbine Vanes Using the Pressure Sensitive Paint Technique

Izhar Ullah, Lesley M. Wright, Chao-Cheng Shiau, Je-Chin Han, Zhihong Gao, Andrea Stanton
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. September 2023, 145(9): 091003.
Paper No: TURBO-21-1252
https://doi.org/10.1115/1.4062436
Published Online: May 22, 2023
View Article titled, Film Cooling Comparison of Full-Scale Turbine Vanes Using the Pressure Sensitive Paint Technique
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Topics: Coolants, Film cooling, Flow (Dynamics), Pressure, Suction, Cooling, Turbines
Journal Articles

Optimized Film Cooling Flow on a Contoured Endwall Within a Transonic Annular Cascade

Timothy A. Burdett, Izhar Ullah, Lesley M. Wright, Je-Chin Han, John W. McClintic, Daniel C. Crites, Ardeshir Riahi
Journal: Journal of Thermal Science and Engineering Applications
Publisher: ASME
Article Type: Research Papers
J. Thermal Sci. Eng. Appl. April 2023, 15(4): 041011.
Paper No: TSEA-22-1484
https://doi.org/10.1115/1.4056839
Published Online: March 2, 2023
View Article titled, Optimized Film Cooling Flow on a Contoured Endwall Within a Transonic Annular Cascade
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Topics: Coolants, Film cooling, Flow (Dynamics), Cascades (Fluid dynamics), Pressure
Proceedings Papers

Assessment of Binary Pressure Sensitive Paint for Temperature and Heat Transfer Coefficient Measurement of Leading Edge Film Cooling

Timothy A. Burdett, Ming-Feng Yeh, Lesley M. Wright, Je-Chin Han
Proc. ASME. IMECE2022, Volume 8: Fluids Engineering; Heat Transfer and Thermal Engineering, V008T11A024, October 30–November 3, 2022
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2022-94315
https://doi.org/10.1115/IMECE2022-94315
View Paper titled, Assessment of Binary Pressure Sensitive Paint for Temperature and Heat Transfer Coefficient Measurement of Leading Edge Film Cooling
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Topics: Film cooling, Gas turbines, Heat transfer, Heat transfer coefficients, Paints, Pressure, Temperature
Journal Articles

Heat Transfer in a Rotating, Blade-Shaped, Two-Pass Cooling Channel With Various 45-Deg Rib Turbulators and a Tip Turning Vane

I-Lun Chen, Lesley M. Wright, Je-Chin Han, Robert Krewinkel
Journal: Journal of Thermal Science and Engineering Applications
Publisher: ASME
Article Type: Research Papers
J. Thermal Sci. Eng. Appl. February 2023, 15(2): 021014.
Paper No: TSEA-22-1327
https://doi.org/10.1115/1.4056248
Published Online: December 6, 2022
View Article titled, Heat Transfer in a Rotating, Blade-Shaped, Two-Pass Cooling Channel With Various 45-Deg Rib Turbulators and a Tip Turning Vane
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Topics: Blades, Cooling, Flow (Dynamics), Heat transfer, Pressure, Rotation, Turning vanes, Coolants, Reynolds number
Journal Articles

Effects of Jet-to-Target Surface Spacing and Pin-Fin Height on Jet Impingement Heat Transfer in a Rectangular Channel

Yasser S. Alzahrani, Lesley M. Wright, Je-Chin Han
Journal: Journal of Thermal Science and Engineering Applications
Publisher: ASME
Article Type: Research Papers
J. Thermal Sci. Eng. Appl. March 2023, 15(3): 031003.
Paper No: TSEA-22-1366
https://doi.org/10.1115/1.4056250
Published Online: December 6, 2022
View Article titled, Effects of Jet-to-Target Surface Spacing and Pin-Fin Height on Jet Impingement Heat Transfer in a Rectangular Channel
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Topics: Heat transfer, Jets, Pins (Engineering), Pressure, Reynolds number, Temperature, Flow (Dynamics), Fins, Discharge coefficient, Heat transfer coefficients
Journal Articles

Heat Transfer and Friction in a Rectangular Channel With Varying Numbers of Walls Roughened With 90-Deg Transverse or 45-Deg V-Shaped Ribs

Sulaiman M. Alsaleem, Lesley M. Wright, Je-Chin Han
Journal: ASME Journal of Heat and Mass Transfer
Publisher: ASME
Article Type: Research-Article
J. Heat Mass Transfer. February 2023, 145(2): 023901.
Paper No: HT-22-1512
https://doi.org/10.1115/1.4056144
Published Online: November 22, 2022
View Article titled, Heat Transfer and Friction in a Rectangular Channel With Varying Numbers of Walls Roughened With 90-Deg Transverse or 45-Deg V-Shaped Ribs
Open the PDF for Heat Transfer and Friction in a Rectangular Channel With Varying Numbers of Walls Roughened With 90-Deg Transverse or 45-Deg V-Shaped Ribs in another window
Topics: Friction, Heat transfer, Reynolds number, Surface roughness
Proceedings Papers

Heat Transfer in a Rotating, Blade-Shaped, Two-Pass Cooling Channel With Various 45 Deg Rib Turbulators and a Tip Turning Vane

I-Lun Chen, Lesley M. Wright, Je-Chin Han, Robert Krewinkel
Proc. ASME. GT2022, Volume 6B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V06BT15A014, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82035
https://doi.org/10.1115/GT2022-82035
View Paper titled, Heat Transfer in a Rotating, Blade-Shaped, Two-Pass Cooling Channel With Various 45 Deg Rib Turbulators and a Tip Turning Vane
Open the PDF for Heat Transfer in a Rotating, Blade-Shaped, Two-Pass Cooling Channel With Various 45 Deg Rib Turbulators and a Tip Turning Vane in another window
Topics: Blades, Cooling, Heat transfer, Turning vanes
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
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-78286
https://doi.org/10.1115/GT2022-78286
View Paper titled, Experimental Evaluation of a Wavy Trailing Edge Cooling Design as an Alternative to Pressure Side Cutback Cooling
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Topics: Cooling, Design, Film cooling, Pressure, Blades, Coolants, Cascades (Fluid dynamics), Suction, Density, Flow (Dynamics)
Proceedings Papers

Optimized Film Cooling Flow on a Contoured Endwall Within a Transonic Annular Cascade

Timothy A. Burdett, Izhar Ullah, Lesley M. Wright, Je-Chin Han, John W. McClintic, Daniel C. Crites, Ardeshir Riahi
Proc. ASME. GT2022, Volume 6A: Heat Transfer — Combustors; Film Cooling, V06AT12A005, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-78519
https://doi.org/10.1115/GT2022-78519
View Paper titled, Optimized Film Cooling Flow on a Contoured Endwall Within a Transonic Annular Cascade
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Topics: Cascades (Fluid dynamics), Film cooling, Flow (Dynamics)
Proceedings Papers

Assessment of the Flow Field and Heat Transfer in an NGV Using Magnetic Resonance Velocimetry, Thermochromic Liquid Crystals and CFD

Martin Bruschewski, Carolin Wüstenhagen, Clemens Domnick, Robert Krewinkel, Chao-Cheng Shiau, Sven Grundmann, Je-Chin Han
Proc. ASME. GT2022, Volume 6B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V06BT15A005, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-79526
https://doi.org/10.1115/GT2022-79526
View Paper titled, Assessment of the Flow Field and Heat Transfer in an NGV Using Magnetic Resonance Velocimetry, Thermochromic Liquid Crystals and CFD
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Topics: Computational fluid dynamics, Cooling systems, Flow (Dynamics), Heat transfer, Liquid crystals, Magnetic resonance, Nozzle guide vanes, Turbulence
Journal Articles

Assessment of the Flow Field and Heat Transfer in a Vane Cooling System Using Magnetic Resonance Velocimetry, Thermochromic Liquid Crystals, and Computational Fluid Dynamics

Martin Bruschewski, Carolin Wüstenhagen, Clemens Domnick, Robert Krewinkel, Chao-Cheng Shiau, Sven Grundmann, Je-Chin Han
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. March 2023, 145(3): 031010.
Paper No: TURBO-22-1157
https://doi.org/10.1115/1.4055611
Published Online: October 20, 2022
View Article titled, Assessment of the Flow Field and Heat Transfer in a Vane Cooling System Using Magnetic Resonance Velocimetry, Thermochromic Liquid Crystals, and Computational Fluid Dynamics
Open the PDF for Assessment of the Flow Field and Heat Transfer in a Vane Cooling System Using Magnetic Resonance Velocimetry, Thermochromic Liquid Crystals, and Computational Fluid Dynamics in another window
Topics: Computational fluid dynamics, Flow (Dynamics), Heat transfer, Magnetic resonance, Turbulence, Liquid crystals, Errors, Cooling systems
Journal Articles

Thermal Performance of Double-Sided, Partial Height Strip Fin Arrays in a High Aspect Ratio, Rectangular Channel

Nathaniel J. Tracy, Lesley M. Wright, Je-Chin Han
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. November 2022, 144(11): 111006.
Paper No: TURBO-21-1234
https://doi.org/10.1115/1.4054544
Published Online: July 21, 2022
View Article titled, Thermal Performance of Double-Sided, Partial Height Strip Fin Arrays in a High Aspect Ratio, Rectangular Channel
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Topics: Fins, Flow (Dynamics), Friction, Heat transfer, Reynolds number, Strips