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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
Paper No: GT2022-79526
DOI: https://doi.org/10.1115/GT2022-79526
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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
Article Type: Research Papers
J. Turbomach. March 2023, 145(3): 031010.
Paper No: TURBO-22-1157
DOI: https://doi.org/10.1115/1.4055611
Published Online: October 20, 2022
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Topics: Computational fluid dynamics, Flow (Dynamics), Heat transfer, Magnetic resonance, Turbulence, Liquid crystals, Errors, Cooling systems
Journal Articles

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

Izhar Ullah, Sulaiman M. Alsaleem, Lesley M. Wright, Chao-Cheng Shiau, Je-Chin Han
Journal: Journal of Thermal Science and Engineering Applications
Article Type: Research Papers
J. Thermal Sci. Eng. Appl. July 2022, 14(7): 071008.
Paper No: TSEA-21-1389
DOI: https://doi.org/10.1115/1.4052455
Published Online: October 20, 2021
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Topics: Blades, Coolants, Density, Film cooling, Flow (Dynamics), Pressure, Leakage flows, Leakage, Design
Proceedings Papers

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

Izhar Ullah, Sulaiman M. Alsaleem, Lesley M. Wright, Chao-Cheng Shiau, Je-Chin Han
Proc. ASME. GT2021, Volume 5A: Heat Transfer — Combustors; Film Cooling, V05AT12A015, June 7–11, 2021
Paper No: GT2021-59366
DOI: https://doi.org/10.1115/GT2021-59366
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Topics: Blades, Coolants, Density, Film cooling, Flow (Dynamics), Leakage, Paints, Pressure, Turbine blades
Journal Articles

Transonic Turbine Vane Endwall Film Cooling Using the Pressure-Sensitive Paint Measurement Technique

Chao-Cheng Shiau, Izzet Sahin, Izhar Ullah, Je-Chin Han, Alexander V. Mirzamoghadam, Ardeshir Riahi, Curtis Stimpson
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. August 2020, 142(8): 081004.
Paper No: TURBO-19-1273
DOI: https://doi.org/10.1115/1.4045990
Published Online: July 28, 2020
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Topics: Coolants, Film cooling, Flow (Dynamics), Mach number, Momentum, Pressure, Density, Turbines, Cooling, Cascades (Fluid dynamics)
Journal Articles

Effect of 45-deg Rib Orientations on Heat Transfer in a Rotating Two-Pass Channel With Aspect Ratio from 4:1 to 2:1

Izzet Sahin, Andrew F Chen, Chao-Cheng Shiau, Je-Chin Han, Robert Krewinkel
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. July 2020, 142(7): 071003.
Paper No: TURBO-20-1006
DOI: https://doi.org/10.1115/1.4046492
Published Online: June 30, 2020
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Topics: Flow (Dynamics), Heat transfer, Reynolds number, Rotation, Pressure, Design
Journal Articles

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

Metapun Nuntakulamarat, Chao-Cheng Shiau, Je-Chin Han
Journal: Journal of Thermal Science and Engineering Applications
Article Type: Research Papers
J. Thermal Sci. Eng. Appl. June 2020, 12(3): 031019.
Paper No: TSEA-19-1210
DOI: https://doi.org/10.1115/1.4045221
Published Online: December 4, 2019
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Topics: Fins, Heat transfer, Pins (Engineering), Pressure drop, Reynolds number, Strips, Heat losses, Temperature, Shapes, Copper
Proceedings Papers

Transonic Turbine Vane Endwall Film Cooling Using PSP Measurement Technique

Chao-Cheng Shiau, Izzet Sahin, Izhar Ullah, Je-Chin Han, Alexander V. Mirzamoghadam, Ardeshir Riahi, Curtis Stimpson
Proc. ASME. GT2019, Volume 5B: Heat Transfer, V05BT19A014, June 17–21, 2019
Paper No: GT2019-91030
DOI: https://doi.org/10.1115/GT2019-91030
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Topics: Film cooling, Turbines, Flow (Dynamics), Pressure, Shock waves, Carbon dioxide, Cascades (Fluid dynamics), Coolants, Cooling, Cross-flow
Proceedings Papers

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

Chao-Cheng Shiau, Andrew F. Chen, Je-Chin Han, Robert Krewinkel
Proc. ASME. GT2019, Volume 5A: Heat Transfer, V05AT16A001, June 17–21, 2019
Paper No: GT2019-90097
DOI: https://doi.org/10.1115/GT2019-90097
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Topics: Cooling systems, Heat transfer coefficients, Turbine blades, Cooling, Heat transfer, Fins, Additive manufacturing, Blades, Coolants, Design
Proceedings Papers

Effect of 45-Deg Rib Orientations on Heat Transfer in a Rotating Two-Pass Channel With Aspect Ratio From 4:1 to 2:1

Izzet Sahin, Andrew F. Chen, Chao-Cheng Shiau, Je-Chin Han, Robert Krewinkel
Proc. ASME. GT2019, Volume 5A: Heat Transfer, V05AT16A002, June 17–21, 2019
Paper No: GT2019-90099
DOI: https://doi.org/10.1115/GT2019-90099
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Topics: Heat transfer, Cooling, Flow (Dynamics), Pressure, Rotation, Pressure drop, Blades, Design, Gas turbines, Reynolds number
Journal Articles

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

Chao-Cheng Shiau, Andrew F. Chen, Je-Chin Han, Robert Krewinkel
Journal: Journal of Thermal Science and Engineering Applications
Article Type: Research Papers
J. Thermal Sci. Eng. Appl. June 2020, 12(3): 031015.
Paper No: TSEA-19-1319
DOI: https://doi.org/10.1115/1.4044906
Published Online: October 16, 2019
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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

Andrew F Chen, Chao-Cheng Shiau, Je-Chin Han, Robert Krewinkel
Journal: Journal of Thermal Science and Engineering Applications
Article Type: Research-Article
J. Thermal Sci. Eng. Appl. December 2019, 11(6): 061015.
Paper No: TSEA-18-1656
DOI: https://doi.org/10.1115/1.4043471
Published Online: May 22, 2019
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Topics: Heat transfer, Reynolds number, Rotation, Pressure, Design, Flow (Dynamics)
Journal Articles

Film Cooling Effectiveness From Two Rows of Compound Angled Cylindrical Holes Using Pressure-Sensitive Paint Technique

Nian Wang, Mingjie Zhang, Chao-Cheng Shiau, Je-Chin Han
Journal: Journal of Heat Transfer
Article Type: Research-Article
J. Heat Transfer. April 2019, 141(4): 042202.
Paper No: HT-18-1455
DOI: https://doi.org/10.1115/1.4042777
Published Online: February 25, 2019
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Topics: Cooling, Design, Film cooling, Flow (Dynamics), Density, Coolants, Pressure, Geometry, Flat plates
Journal Articles

Heat Transfer in a Rotating Two-Pass Rectangular Channel Featuring Reduced Cross-Sectional Area After Tip Turn (Aspect Ratio = 4:1 to 2:1) With Profiled 60 deg Angled Ribs

Andrew F Chen, Chao-Cheng Shiau, Je-Chin Han, Robert Krewinkel
Journal: Journal of Turbomachinery
Article Type: Research-Article
J. Turbomach. July 2019, 141(7): 071008.
Paper No: TURBO-18-1169
DOI: https://doi.org/10.1115/1.4042653
Published Online: February 22, 2019
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Topics: Flow (Dynamics), Heat transfer, Pressure, Reynolds number, Rotation, Design
Journal Articles

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

Chao-Cheng Shiau, Izzet Sahin, Nian Wang, Je-Chin Han, Hongzhou Xu, Michael Fox
Journal: Journal of Thermal Science and Engineering Applications
Article Type: Research Papers
J. Thermal Sci. Eng. Appl. June 2019, 11(3): 031012.
Paper No: TSEA-18-1344
DOI: https://doi.org/10.1115/1.4042057
Published Online: February 6, 2019
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Topics: Coolants, Design, Film cooling, Flow (Dynamics), Pressure, Turbines, Cooling
Proceedings Papers

Film Cooling Effectiveness From Two-Row of Compound Angled Cylindrical Holes Using PSP Technique

Nian Wang, Mingjie Zhang, Chao-Cheng Shiau, Je-Chin Han
Proc. ASME. GT2018, Volume 5C: Heat Transfer, V05CT19A003, June 11–15, 2018
Paper No: GT2018-75167
DOI: https://doi.org/10.1115/GT2018-75167
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Topics: Film cooling, Density, Flat plates, Cooling, Flow (Dynamics), Pressure, Steady state, Turbulence
Proceedings Papers

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

Chao-Cheng Shiau, Izzet Sahin, Nian Wang, Je-Chin Han, Hongzhou Xu, Michael Fox
Proc. ASME. GT2018, Volume 5C: Heat Transfer, V05CT19A005, June 11–15, 2018
Paper No: GT2018-75272
DOI: https://doi.org/10.1115/GT2018-75272
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Topics: Design, Film cooling, Leakage, Turbines, Cooling, Cascades (Fluid dynamics), Chords (Trusses), Leakage flows, Combustion chambers, Coolants
Proceedings Papers

Heat Transfer in a Rotating Two-Pass Rectangular Channel Featuring Reduced Cross-Sectional Area After Tip Turn (AR=4:1 to 2:1) With Profiled 60 Deg Angled Ribs

Andrew F. Chen, Chao-Cheng Shiau, Je-Chin Han, Robert Krewinkel
Proc. ASME. GT2018, Volume 5A: Heat Transfer, V05AT16A015, June 11–15, 2018
Paper No: GT2018-76999
DOI: https://doi.org/10.1115/GT2018-76999
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Topics: Heat transfer, Flow (Dynamics), Rotation, Blades, Cooling, Design, Pressure, Reynolds number, Gas turbines, Heat transfer coefficients
Proceedings Papers

Film Cooling Effectiveness Comparison on Turbine Vane Endwall With Cluster Configurations Using PSP Measurement Technique

Nafiz H. K. Chowdhury, Chao-Cheng Shiau, Je-Chin Han, Hongzhou Xu, Michael Fox
Proc. ASME. IMECE2017, Volume 8: Heat Transfer and Thermal Engineering, V008T10A039, November 3–9, 2017
Paper No: IMECE2017-72157
DOI: https://doi.org/10.1115/IMECE2017-72157
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Topics: Film cooling, Turbines, Cooling, Design, Leakage, Coolants, Cascades (Fluid dynamics), Chords (Trusses), Density, Flow (Dynamics)
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