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Je-Chin Han
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Journal Articles

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

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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 Articletitled, Turning Region Heat Transfer in Five, Stationary and Rotating, Multipass Channels With Various Aspect Ratios
Open the PDF for Turning Region Heat Transfer in Five, Stationary and Rotating, Multipass Channels With Various Aspect Ratios in another window
Topics: Design, Heat transfer, Turning vanes, Flow (Dynamics)
Journal Articles

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

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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 Articletitled, 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
Journal Articles

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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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 Articletitled, 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, 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

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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 Articletitled, 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 in a Rotating, Blade-Shaped, Two-Pass Cooling Channel With Various 45-Deg Rib Orientations

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I-Lun Chen, Izzet Sahin, 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. September 2022, 14(9): 091009.
Paper No: TSEA-21-1626
https://doi.org/10.1115/1.4053741
Published Online: March 8, 2022
View Articletitled, Heat Transfer in a Rotating, Blade-Shaped, Two-Pass Cooling Channel With Various 45-Deg Rib Orientations
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Topics: Blades, Cooling, Heat transfer, Pressure, Rotation, Flow (Dynamics), Reynolds number
Journal Articles

Influence of Coolant Density on Turbine Blade Tip Film Cooling at Transonic Cascade Flow Conditions Using the Pressure-Sensitive Paint Technique

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Izhar Ullah, Sulaiman M. Alsaleem, Lesley M. Wright, Chao-Cheng Shiau, Je-Chin Han
Journal: Journal of Thermal Science and Engineering Applications
Publisher: ASME
Article Type: Research Papers
J. Thermal Sci. Eng. Appl. July 2022, 14(7): 071008.
Paper No: TSEA-21-1389
https://doi.org/10.1115/1.4052455
Published Online: October 20, 2021
View Articletitled, Influence of Coolant Density on Turbine Blade Tip Film Cooling at Transonic Cascade Flow Conditions Using the Pressure-Sensitive Paint Technique
Open the PDF for Influence of Coolant Density on Turbine Blade Tip Film Cooling at Transonic Cascade Flow Conditions Using the Pressure-Sensitive Paint Technique in another window
Topics: Blades, Coolants, Density, Film cooling, Flow (Dynamics), Pressure, Leakage flows, Leakage, Design
Journal Articles

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

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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
Publisher: ASME
Article Type: Research Papers
J. Thermal Sci. Eng. Appl. August 2021, 13(4): 041026.
Paper No: TSEA-20-1248
https://doi.org/10.1115/1.4049424
Published Online: January 22, 2021
View Articletitled, Heat Transfer Enhancement in a Rectangular Cooling Channel With Airfoil Shaped Fins
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Topics: Airfoils, Fins, Heat transfer, Heat transfer coefficients, Flow (Dynamics), Cooling, Strips, Temperature, Friction, Pressure
Journal Articles

Heat Transfer and Pressure Drop Measurements in a High Aspect Ratio Channel With Circular Pins and Strip Fins

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Metapun Nuntakulamarat, Chao-Cheng Shiau, Je-Chin Han
Journal: Journal of Thermal Science and Engineering Applications
Publisher: ASME
Article Type: Research Papers
J. Thermal Sci. Eng. Appl. June 2020, 12(3): 031019.
Paper No: TSEA-19-1210
https://doi.org/10.1115/1.4045221
Published Online: December 4, 2019
View Articletitled, Heat Transfer and Pressure Drop Measurements in a High Aspect Ratio Channel With Circular Pins and Strip Fins
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Topics: Fins, Heat transfer, Pins (Engineering), Pressure drop, Reynolds number, Strips, Heat losses, Temperature, Shapes, Copper
Journal Articles

Detailed Heat Transfer Coefficient Measurements on a Scaled Realistic Turbine Blade Internal Cooling System

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Chao-Cheng Shiau, Andrew F. Chen, Je-Chin Han, Robert Krewinkel
Journal: Journal of Thermal Science and Engineering Applications
Publisher: ASME
Article Type: Research Papers
J. Thermal Sci. Eng. Appl. June 2020, 12(3): 031015.
Paper No: TSEA-19-1319
https://doi.org/10.1115/1.4044906
Published Online: October 16, 2019
View Articletitled, Detailed Heat Transfer Coefficient Measurements on a Scaled Realistic Turbine Blade Internal Cooling System
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Topics: Blades, Cooling systems, Flow (Dynamics), Heat transfer, Heat transfer coefficients, Liquid crystals, Pressure, Suction, Temperature, Turbine blades
Journal Articles

Heat Transfer in a Rotating Two-Pass Rectangular Channel Featuring a Converging Tip Turn With Various 45 deg Rib Coverage Designs

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Andrew F Chen, Chao-Cheng Shiau, Je-Chin Han, Robert Krewinkel
Journal: Journal of Thermal Science and Engineering Applications
Publisher: ASME
Article Type: Research-Article
J. Thermal Sci. Eng. Appl. December 2019, 11(6): 061015.
Paper No: TSEA-18-1656
https://doi.org/10.1115/1.4043471
Published Online: May 22, 2019
View Articletitled, Heat Transfer in a Rotating Two-Pass Rectangular Channel Featuring a Converging Tip Turn With Various 45 deg Rib Coverage Designs
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Topics: Heat transfer, Reynolds number, Rotation, Pressure, Design, Flow (Dynamics)
Journal Articles

Turbine Vane Endwall Film Cooling Comparison From Five Film-Hole Design Patterns and Three Upstream Injection Angles

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Chao-Cheng Shiau, Izzet Sahin, Nian Wang, Je-Chin Han, Hongzhou Xu, Michael Fox
Journal: Journal of Thermal Science and Engineering Applications
Publisher: ASME
Article Type: Research Papers
J. Thermal Sci. Eng. Appl. June 2019, 11(3): 031012.
Paper No: TSEA-18-1344
https://doi.org/10.1115/1.4042057
Published Online: February 6, 2019
View Articletitled, Turbine Vane Endwall Film Cooling Comparison From Five Film-Hole Design Patterns and Three Upstream Injection Angles
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Topics: Coolants, Design, Film cooling, Flow (Dynamics), Pressure, Turbines, Cooling
Journal Articles

Swirl Impinging Cooling on an Airfoil Leading Edge Model at Large Reynolds Number

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Nian Wang, Je-Chin Han
Journal: Journal of Thermal Science and Engineering Applications
Publisher: ASME
Article Type: Research-Article
J. Thermal Sci. Eng. Appl. June 2019, 11(3): 031006.
Paper No: TSEA-17-1431
https://doi.org/10.1115/1.4042151
Published Online: January 29, 2019
View Articletitled, Swirl Impinging Cooling on an Airfoil Leading Edge Model at Large Reynolds Number
Topics: Airfoils, Cooling, Heat transfer, Reynolds number, Pressure, Flow (Dynamics), Jets
Journal Articles

Influence of Turbine Blade Leading Edge Profile on Film Cooling With Shaped Holes

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Mingjie Zhang, Nian Wang, Andrew F. Chen, Je-Chin Han
Journal: Journal of Thermal Science and Engineering Applications
Publisher: ASME
Article Type: Research-Article
J. Thermal Sci. Eng. Appl. October 2018, 10(5): 051006.
Paper No: TSEA-17-1103
https://doi.org/10.1115/1.4039703
Published Online: May 21, 2018
View Articletitled, Influence of Turbine Blade Leading Edge Profile on Film Cooling With Shaped Holes
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Topics: Coolants, Film cooling, Density, Computational fluid dynamics, Pressure, Turbine blades, Flow (Dynamics)
Journal Articles

Heat Transfer in a Rib and Pin Roughened Rotating Multipass Channel With Hub Turning Vane and Trailing-Edge Slot Ejection

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Hao-Wei Wu, Hootan Zirakzadeh, Je-Chin Han, Luzeng Zhang, Hee-Koo Moon
Journal: Journal of Thermal Science and Engineering Applications
Publisher: ASME
Article Type: Research-Article
J. Thermal Sci. Eng. Appl. April 2018, 10(2): 021011.
Paper No: TSEA-15-1207
https://doi.org/10.1115/1.4037584
Published Online: October 25, 2017
View Articletitled, Heat Transfer in a Rib and Pin Roughened Rotating Multipass Channel With Hub Turning Vane and Trailing-Edge Slot Ejection
Open the PDF for Heat Transfer in a Rib and Pin Roughened Rotating Multipass Channel With Hub Turning Vane and Trailing-Edge Slot Ejection in another window
Topics: Flow (Dynamics), Heat transfer, Rotation, Turning vanes
Journal Articles

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

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Shang-Feng Yang, Je-Chin Han, Salam Azad, Ching-Pang Lee
Journal: Journal of Thermal Science and Engineering Applications
Publisher: ASME
Article Type: Research-Article
J. Thermal Sci. Eng. Appl. March 2015, 7(1): 011013.
Paper No: TSEA-14-1056
https://doi.org/10.1115/1.4028905
Published Online: March 1, 2015
View Articletitled, Heat Transfer in Rotating Serpentine Coolant Passage With Ribbed Walls at Low Mach Numbers
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Topics: Coolants, Flow (Dynamics), Heat transfer, Rotation, Reynolds number, Mach number
Journal Articles

Influence of Coolant Density on Turbine Platform Film-Cooling With Stator–Rotor Purge Flow and Compound-Angle Holes

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Kevin Liu, Shang-Feng Yang, Je-Chin Han
Journal: Journal of Thermal Science and Engineering Applications
Publisher: ASME
Article Type: Research-Article
J. Thermal Sci. Eng. Appl. December 2014, 6(4): 041007.
Paper No: TSEA-13-1182
https://doi.org/10.1115/1.4026964
Published Online: May 9, 2014
View Articletitled, Influence of Coolant Density on Turbine Platform Film-Cooling With Stator–Rotor Purge Flow and Compound-Angle Holes
Open the PDF for Influence of Coolant Density on Turbine Platform Film-Cooling With Stator–Rotor Purge Flow and Compound-Angle Holes in another window
Topics: Coolants, Density, Film cooling, Flow (Dynamics), Pressure, Turbulence
Journal Articles

Heat Transfer and Pressure Loss Measurements in a Turbulated High Aspect Ratio Channel With Large Reynolds Number Flows

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Shantanu Mhetras, Je-Chin Han, Michael Huth
Journal: Journal of Thermal Science and Engineering Applications
Publisher: ASME
Article Type: Research-Article
J. Thermal Sci. Eng. Appl. December 2014, 6(4): 041001.
Paper No: TSEA-13-1105
https://doi.org/10.1115/1.4027299
Published Online: April 17, 2014
View Articletitled, Heat Transfer and Pressure Loss Measurements in a Turbulated High Aspect Ratio Channel With Large Reynolds Number Flows
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Topics: Flow (Dynamics), Heat transfer, Reynolds number, Pressure
Journal Articles

Impingement Heat Transfer From Jet Arrays on Turbulated Target Walls at Large Reynolds Numbers

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Shantanu Mhetras, Je-Chin Han, Michael Huth
Journal: Journal of Thermal Science and Engineering Applications
Publisher: ASME
Article Type: Research-Article
J. Thermal Sci. Eng. Appl. June 2014, 6(2): 021003.
Paper No: TSEA-13-1106
https://doi.org/10.1115/1.4025665
Published Online: November 8, 2013
View Articletitled, Impingement Heat Transfer From Jet Arrays on Turbulated Target Walls at Large Reynolds Numbers
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Topics: Heat transfer, Reynolds number, Flow (Dynamics), Heat transfer coefficients
Journal Articles

Fundamental Gas Turbine Heat Transfer

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Je-Chin Han
Journal: Journal of Thermal Science and Engineering Applications
Publisher: ASME
Article Type: Research-Article
J. Thermal Sci. Eng. Appl. June 2013, 5(2): 021007.
Paper No: TSEA-12-1176
https://doi.org/10.1115/1.4023826
Published Online: May 17, 2013
View Articletitled, Fundamental Gas Turbine Heat Transfer
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Topics: Cooling, Film cooling, Gas turbines, Heat transfer, Turbines, Blades, Flow (Dynamics), Turbine blades
Journal Articles

Influence of Coolant Density on Turbine Blade Platform Film-Cooling

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Diganta P. Narzary, Kuo-Chun Liu, Je-Chin Han
Journal: Journal of Thermal Science and Engineering Applications
Publisher: ASME
Article Type: Research Papers
J. Thermal Sci. Eng. Appl. June 2012, 4(2): 021002.
https://doi.org/10.1115/1.4005732
Published Online: April 16, 2012
View Articletitled, Influence of Coolant Density on Turbine Blade Platform Film-Cooling
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Topics: Blades, Coolants, Density, Film cooling, Flow (Dynamics), Turbulence, Cooling, Temperature, Pressure, Cascades (Fluid dynamics)