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Journal Articles

Investigation on the Contribution of Large-Scale Fluctuation and Small-Scale Disturbance of Coolant to Heat Transfer Enhancement in a Rectangular Channel With Pin Fins

Jingtian Duan, Ke Zhang, Jin Xu, Jiang Lei, Junmei Wu
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. July 2022, 144(7): 071014.
Paper No: TURBO-21-1233
DOI: https://doi.org/10.1115/1.4054446
Published Online: May 27, 2022
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Topics: Fins, Flow (Dynamics), Heat transfer, Statistics, Turbulence, Pins (Engineering), Shear (Mechanics), Reynolds number, Fluctuations (Physics), Principal component analysis
Proceedings Papers

Investigation on Flow Mechanism Driving Heat Transfer Enhancement in a Wide Channel With Staggered Square Pin Fins

Jingtian Duan, Ke Zhang, Jin Xu, Jiang Lei, Junmei Wu
Proc. ASME. GT2021, Volume 5B: Heat Transfer — General Interest; Internal Air Systems; Internal Cooling, V05BT15A021, June 7–11, 2021
Paper No: GT2021-60138
DOI: https://doi.org/10.1115/GT2021-60138
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Topics: Fins, Flow (Dynamics), Heat transfer, Geometry, Physics, Reynolds number, Liquid crystals, Particulate matter, Shear (Mechanics), Temperature measurement
Proceedings Papers

The Flow Field Characteristic Correlated With Heat Transfer Performance in a Wide Channel With Staggered Circular Pin Fins

Jingtian Duan, Ke Zhang, Jin Xu, Jiang Lei, Junmei Wu
Proc. ASME. GT2020, Volume 7A: Heat Transfer, V07AT15A035, September 21–25, 2020
Paper No: GT2020-16177
DOI: https://doi.org/10.1115/GT2020-16177
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Topics: Fins, Flow (Dynamics), Heat transfer, Statistics, Cylinders, Geometry, Kinetic energy, Liquid crystals, Particulate matter, Reynolds number
Proceedings Papers

Numerical Study on Cooling Characteristics of Double-Row Cylindrical Holes on Upstream Endwall

Ding Luo, Ruishan Lu, Jiang Lei, Lesley M. Wright
Proc. ASME. GT2019, Volume 5A: Heat Transfer, V05AT12A014, June 17–21, 2019
Paper No: GT2019-91069
DOI: https://doi.org/10.1115/GT2019-91069
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Topics: Cooling, Film cooling, Jets, Pressure, Vortices, Airfoils, Simulation, Suction
Proceedings Papers

Numerical Study on Flow and Heat Transfer Characteristics of Pin-Fins With Different Shapes

Wei Jin, Ning Jia, Junmei Wu, Jiang Lei, Lin Liu
Proc. ASME. GT2019, Volume 5A: Heat Transfer, V05AT11A006, June 17–21, 2019
Paper No: GT2019-90520
DOI: https://doi.org/10.1115/GT2019-90520
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Topics: Fins, Flow (Dynamics), Heat transfer, Shapes, Friction, Blades, Computer software, Cooling, Geometry, Heat
Proceedings Papers

An Experimental Study of Impingement Cooling on Latticework in a Wide Channel

Jin Xu, Ruishan Lu, Ke Zhang, Jiang Lei, Junmei Wu
Proc. ASME. GT2019, Volume 5B: Heat Transfer, V05BT18A007, June 17–21, 2019
Paper No: GT2019-91427
DOI: https://doi.org/10.1115/GT2019-91427
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Topics: Blades, Convection, Cooling, Flow (Dynamics), Friction, Heat transfer, Heat transfer coefficients, Impingement cooling, Liquid crystals, Pressure
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
Article Type: Research-Article
J. Turbomach. May 2019, 141(5): 051008.
Paper No: TURBO-18-1119
DOI: https://doi.org/10.1115/1.4041810
Published Online: January 22, 2019
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Topics: Density, Film cooling, Shapes, Flat plates
Journal Articles

Interaction of Flow and Film-Cooling Effectiveness Between Double-Jet Film-Cooling Holes With Various Spanwise Distances

Jiaxu Yao, Jin Xu, Ke Zhang, Jiang Lei, Lesley M. Wright
Journal: Journal of Turbomachinery
Article Type: Research-Article
J. Turbomach. December 2018, 140(12): 121011.
Paper No: TURBO-18-1118
DOI: https://doi.org/10.1115/1.4041809
Published Online: November 28, 2018
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Topics: Film cooling, Flow (Dynamics), Vortices, Coolants, Jets
Proceedings Papers

Effects of Streamwise Distance and Density Ratio on Film-Cooling Effectiveness for Double-Jet Film-Cooling on a Flat Plate

Jiaxu Yao, Jiang Lei, Junmei Wu, Yu Fang, Lesley M. Wright
Proc. ASME. GT2018, Volume 5C: Heat Transfer, V05CT19A010, June 11–15, 2018
Paper No: GT2018-75456
DOI: https://doi.org/10.1115/GT2018-75456
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Topics: Density, Film cooling, Flat plates, Jets, Momentum, Pressure
Proceedings Papers

Heat Transfer and Pressure Loss Characteristics of Pin-Fins With Different Shapes in a Wide Channel

Jin Xu, Jiaxu Yao, Pengfei Su, Jiang Lei, Junmei Wu, Tieyu Gao
Proc. ASME. GT2017, Volume 5A: Heat Transfer, V05AT16A006, June 26–30, 2017
Paper No: GT2017-63761
DOI: https://doi.org/10.1115/GT2017-63761
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Topics: Fins, Heat transfer, Pressure, Shapes, Reynolds number, Blades, Convection, Friction, Gas turbines, Heat transfer coefficients
Proceedings Papers

Interaction of Flow and Film-Cooling Effectiveness Between Double-Jet Film-Cooling Holes With Various Spanwise Distances

Jiaxu Yao, Jin Xu, Ke Zhang, Jiang Lei, Lesley M. Wright
Proc. ASME. GT2017, Volume 5C: Heat Transfer, V05CT19A011, June 26–30, 2017
Paper No: GT2017-63740
DOI: https://doi.org/10.1115/GT2017-63740
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Topics: Film cooling, Flow (Dynamics), Jets, Coolants, Flat plates, Kidney, Pressing, Vortices, Density, Paints
Proceedings Papers

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
Proc. ASME. GT2017, Volume 5C: Heat Transfer, V05CT19A012, June 26–30, 2017
Paper No: GT2017-63743
DOI: https://doi.org/10.1115/GT2017-63743
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Topics: Density, Film cooling, Flat plates, Shapes, Coolants, Paints, Pressure
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 Multi-Pass Rectangular Smooth Channel With and Without a Turning Vane in Hub Region

Jiang Lei, Shiou-Jiuan Li, Je-Chin Han, Luzeng Zhang, Hee-Koo Moon
Proc. ASME. GT2013, Volume 3A: Heat Transfer, V03AT12A008, June 3–7, 2013
Paper No: GT2013-94269
DOI: https://doi.org/10.1115/GT2013-94269
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Topics: Heat transfer, Turning vanes, Rotation, Heat transfer coefficients, Density, Flow (Dynamics), Reynolds number
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

Measurement and Modelling of Blade Tip Cooling in Gas Turbines

Julio Teloxa, Diganta Narzary, F. Z. Sierra, Jiang Lei, Francisco Carrillo, Je-Chin Han
Proc. ASME. GT2013, Volume 3B: Heat Transfer, V03BT13A034, June 3–7, 2013
Paper No: GT2013-94812
DOI: https://doi.org/10.1115/GT2013-94812
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Topics: Blades, Cooling, Gas turbines, Modeling, Cavities, Clearances (Engineering), Metals, Reynolds number, Temperature, Airfoils
Proceedings Papers

Heat Transfer in Rotating Multi-Pass Rectangular Ribbed Channel With and Without a Turning Vane

Jiang Lei, Shiou-Jiuan Li, Je-Chin Han, Luzeng Zhang, Hee-Koo Moon
Proc. ASME. GT2012, Volume 4: Heat Transfer, Parts A and B, 435-445, June 11–15, 2012
Paper No: GT2012-69139
DOI: https://doi.org/10.1115/GT2012-69139
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Topics: Heat transfer, Turning vanes, Rotation, Heat transfer coefficients, Flow (Dynamics)
Journal Articles

Heat Transfer in Rotating Multipass Rectangular Ribbed Channel With and Without a Turning Vane

Jiang Lei, Shiou-Jiuan Li, Je-Chin Han, Luzeng Zhang, Hee-Koo Moon
Journal: Journal of Heat Transfer
Article Type: Research-Article
J. Heat Transfer. April 2013, 135(4): 041903.
Paper No: HT-12-1195
DOI: https://doi.org/10.1115/1.4023040
Published Online: March 20, 2013
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Topics: Flow (Dynamics), Heat transfer, Rotation, Turning vanes
Journal Articles

Effect of Rib Spacing on Heat Transfer in a Two Pass Rectangular Channel (AR = 2:1) at High Rotation Numbers

Jiang Lei, Je-Chin Han, Michael Huh
Journal: Journal of Heat Transfer
Article Type: Heat Transfer Enhancement
J. Heat Transfer. September 2012, 134(9): 091901.
DOI: https://doi.org/10.1115/1.4006298
Published Online: July 9, 2012
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Topics: Buoyancy, Flow (Dynamics), Heat transfer, Rotation, Reynolds number
Proceedings Papers

Effect of Rib Spacing on Heat Transfer in a Two Pass Rectangular Channel (AR=2:1) at High Rotation Numbers

Jiang Lei, Je-Chin Han, Michael Huh
Proc. ASME. GT2011, Volume 5: Heat Transfer, Parts A and B, 1329-1339, June 6–10, 2011
Paper No: GT2011-45926
DOI: https://doi.org/10.1115/GT2011-45926
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Topics: Heat transfer, Rotation, Reynolds number, Exterior walls, Flow (Dynamics)