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Journal Articles

Impact of Wall Temperature on Aerothermal Characteristics of an Array of Surface Microstructures

D. Campanaro, L. He

J. Fluids Eng. February 2023, 145(2): 021203.

Paper No: FE-22-1270

DOI: https://doi.org/10.1115/1.4056036

Published Online: November 23, 2022

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Topics: Boundary layers, Cooling, Flat plates, Flow (Dynamics), Heat transfer, Reynolds number, Turbulence, Wall temperature, Viscosity, Temperature

Proceedings Papers

Vortical Structures and Loss Mechanism of Tip Leakage Flow In Subsonic and Transonic Turbine Stages

P. H. Duan, L. He

Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT30A032, June 13–17, 2022

Paper No: GT2022-83473

DOI: https://doi.org/10.1115/GT2022-83473

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Topics: Leakage flows, Turbines, Flow (Dynamics), Cavities, Vortices, Leakage, Platform supply vessels, Pressure, Cascades (Fluid dynamics), Heat transfer

Proceedings Papers

Design Optimization of Blade Tip in Subsonic and Transonic Turbine Stages - Part I: Stage Design and Preliminary Tip Optimization

P. H. Duan, L. He

Proc. ASME. GT2022, Volume 10D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Turbomachinery General Interest; Unsteady Flows in Turbomachinery, V10DT34A020, June 13–17, 2022

Paper No: GT2022-83050

DOI: https://doi.org/10.1115/GT2022-83050

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Topics: Blades, Design, Optimization, Turbines, Flow (Dynamics), Rotors, Heat transfer, Mach number, Heat, Stress

Journal Articles

Investigation of Structurally and Aerodynamically Mistuned Oscillating Cascade Using Fully Coupled Method

H. M. Phan, L. He

J. Eng. Gas Turbines Power. March 2022, 144(3): 031009.

Paper No: GTP-21-1518

DOI: https://doi.org/10.1115/1.4052751

Published Online: December 7, 2021

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Topics: Blades, Cascades (Fluid dynamics), Vibration, Oscillations

Journal Articles

A High-Speed Disk Rotor Rig Design for Tip Aerothermal Research

S. Lu, Q. Zhang, L. He

J. Turbomach. May 2022, 144(5): 051002.

Paper No: TURBO-21-1082

DOI: https://doi.org/10.1115/1.4052603

Published Online: November 15, 2021

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Topics: Design, Disks, Rotors, Computational fluid dynamics, Flow (Dynamics), Mach number, Cascades (Fluid dynamics), Heat transfer

Proceedings Papers

Investigation of Mistuned Oscillating Cascade Using Fully-Coupled Method

H. M. Phan, L. He

Proc. ASME. GT2021, Volume 9A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Design and Engineering, V09AT23A009, June 7–11, 2021

Paper No: GT2021-59124

DOI: https://doi.org/10.1115/GT2021-59124

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Topics: Cascades (Fluid dynamics), Oscillations, Blades, Flutter (Aerodynamics), Damping, Dynamics (Mechanics), Fluid structure interaction, Inspection, Signals, Simulation

Journal Articles

Optimization of Turbine Cascade Squealer Tip Cooling Design by Combining Shaping and Flow Injection

P. H. Duan, L. He

J. Turbomach. November 2021, 143(11): 111007.

Paper No: TURBO-21-1023

DOI: https://doi.org/10.1115/1.4051204

Published Online: June 15, 2021

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Topics: Cooling, Design, Flow (Dynamics), Optimization, Turbines, Heat transfer, Cavities, Coolants, Blades

Journal Articles

Efficient Steady and Unsteady Flow Modeling for Arbitrarily Mis-Staggered Bladerow Under Influence of Inlet Distortion

H. M. Phan, L. He

J. Eng. Gas Turbines Power. July 2021, 143(7): 071009.

Paper No: GTP-21-1007

DOI: https://doi.org/10.1115/1.4050364

Published Online: March 29, 2021

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Topics: Blades, Computation, Flow (Dynamics), Inflow, Unsteady flow, Simulation, Pressure, Resolution (Optics), Modeling, Annulus

Journal Articles

Averaging for High Fidelity Modeling—Toward Large Eddy Simulations in Multi-Passage Multi-Row Configurations

L. He

J. Turbomach. February 2021, 143(2): 021002.

Paper No: TURBO-20-1210

DOI: https://doi.org/10.1115/1.4049616

Published Online: February 1, 2021

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Topics: Blades, Flow (Dynamics), Modeling, Resolution (Optics), Spacetime, Turbomachinery, Turbulence, Large eddy simulation

Proceedings Papers

A High-Speed Disk Rotor Rig Design for Tip Aerothermal Research

S. Lu, Q. Zhang, L. He

Proc. ASME. GT2020, Volume 7C: Heat Transfer, V07CT13A012, September 21–25, 2020

Paper No: GT2020-14624

DOI: https://doi.org/10.1115/GT2020-14624

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Topics: Design, Disks, Rotors, Cascades (Fluid dynamics), Flow (Dynamics), Belts, Computational fluid dynamics, Engines, Heat transfer, Leakage

Proceedings Papers

Optimization of Turbine Squealer Tip Cooling Design by Combining Shaping and Flow Injection

P. H. Duan, L. He

Proc. ASME. GT2020, Volume 7C: Heat Transfer, V07CT13A018, September 21–25, 2020

Paper No: GT2020-15116

DOI: https://doi.org/10.1115/GT2020-15116

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Topics: Cooling, Design, Flow (Dynamics), Optimization, Turbines, Coolants, Film cooling, Heat transfer, Leakage, Leakage flows

Proceedings Papers

Averaging for High Fidelity Modelling: Towards Large Eddy Simulations in Multi-Passage Multi-Row Configurations

L. He

Proc. ASME. GT2020, Volume 2C: Turbomachinery, V02CT35A030, September 21–25, 2020

Paper No: GT2020-15157

DOI: https://doi.org/10.1115/GT2020-15157

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Topics: Blades, Computation, Flow (Dynamics), Flow simulation, Large eddy simulation, Modeling, Resolution (Optics), Scalars, Spacetime, Turbomachinery

Journal Articles

Application of Multiscale Methodology for Transonic Turbine Blade Tip Cooling Design

P. H. Duan, L. He

J. Turbomach. August 2020, 142(8): 081011.

Paper No: TURBO-20-1010

DOI: https://doi.org/10.1115/1.4046462

Published Online: July 29, 2020

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Topics: Cooling, Design, Flow (Dynamics), Turbine blades, Heat transfer, Blades, Resolution (Optics), Turbines

Journal Articles

Validation Studies of Linear Oscillating Compressor Cascade and Use of Influence Coefficient Method

H. M. Phan, L. He

J. Turbomach. May 2020, 142(5): 051005.

Paper No: TURBO-19-1211

DOI: https://doi.org/10.1115/1.4045657

Published Online: April 9, 2020

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Topics: Blades, Cascades (Fluid dynamics), Clearances (Engineering), Damping, Pressure, Suction, Boundary layers, Flow (Dynamics), Compressors, Turbulence

Journal Articles

On the Validity of Scaling Transient Conjugate Heat Transfer Characteristics

R. Maffulli, G. Marinescu, L. He

J. Eng. Gas Turbines Power. March 2020, 142(3): 031021.

Paper No: GTP-19-1542

DOI: https://doi.org/10.1115/1.4045868

Published Online: February 5, 2020

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Topics: Fluids, Heat transfer, Rotors, Steam turbines, Stress, Temperature, Transients (Dynamics), Specific heat, Flow (Dynamics), Multiscale modeling

Journal Articles

Implicit Discontinuous Galerkin Solution on Unstructured Mesh for Turbine Blade Secondary Flow

M. Yao, L. He

J. Turbomach. January 2020, 142(1): 011004.

Paper No: TURBO-18-1330

DOI: https://doi.org/10.1115/1.4045551

Published Online: December 14, 2019

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Topics: Cascades (Fluid dynamics), Flow (Dynamics), Reynolds-averaged Navier–Stokes equations, Turbines, Turbulence, Cylinders, Separation (Technology), Boundary layers, Pressure, Blades

Proceedings Papers

Validation Studies of Linear Oscillating Compressor Cascade and Use of Influence Coefficient Method

H. M. Phan, L. He

Proc. ASME. GT2019, Volume 7A: Structures and Dynamics, V07AT36A011, June 17–21, 2019

Paper No: GT2019-90941

DOI: https://doi.org/10.1115/GT2019-90941

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Topics: Cascades (Fluid dynamics), Compressors, Clearances (Engineering), Blades, Boundary layers, Computational fluid dynamics, Damping, Bubbles, Modeling, Stability

Proceedings Papers

Application of Multi-Scale Methodology for Transonic Turbine Blade Tip Cooling Design

P. H. Duan, L. He

Proc. ASME. GT2019, Volume 5B: Heat Transfer, V05BT22A006, June 17–21, 2019

Paper No: GT2019-91009

DOI: https://doi.org/10.1115/GT2019-91009

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Topics: Cooling, Design, Turbine blades, Flow (Dynamics), Geometry, Turbines, Ducts, Heat transfer, Resolution (Optics), Shock (Mechanics)

Journal Articles

Effect of Multiple Pulse Resistance Spot Welding Schedules on Liquid Metal Embrittlement Severity

E. Wintjes, C. DiGiovanni, L. He, S. Bag, F. Goodwin, E. Biro, Y. Zhou

J. Manuf. Sci. Eng. October 2019, 141(10): 101001.

Paper No: MANU-19-1221

DOI: https://doi.org/10.1115/1.4044099

Published Online: July 31, 2019

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Topics: Welding, Welded joints, Heat

Journal Articles

Experimental Evidence of Temperature Ratio Effect on Turbine Blade Tip Heat Transfer

H. Jiang, Q. Zhang, L. He, S. Lu, L. Wang, J. Teng

J. Turbomach. December 2018, 140(12): 121010.

Paper No: TURBO-18-1011

DOI: https://doi.org/10.1115/1.4041811

Published Online: November 28, 2018

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Topics: Flow (Dynamics), Heat transfer, Temperature, Transients (Dynamics), Turbine blades, Heat flux, Clearances (Engineering)

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Journal citation

NARROW

Impact of Wall Temperature on Aerothermal Characteristics of an Array of Surface Microstructures

Vortical Structures and Loss Mechanism of Tip Leakage Flow In Subsonic and Transonic Turbine Stages

Design Optimization of Blade Tip in Subsonic and Transonic Turbine Stages - Part I: Stage Design and Preliminary Tip Optimization

Investigation of Structurally and Aerodynamically Mistuned Oscillating Cascade Using Fully Coupled Method

A High-Speed Disk Rotor Rig Design for Tip Aerothermal Research

Investigation of Mistuned Oscillating Cascade Using Fully-Coupled Method

Optimization of Turbine Cascade Squealer Tip Cooling Design by Combining Shaping and Flow Injection

Efficient Steady and Unsteady Flow Modeling for Arbitrarily Mis-Staggered Bladerow Under Influence of Inlet Distortion

Averaging for High Fidelity Modeling—Toward Large Eddy Simulations in Multi-Passage Multi-Row Configurations

A High-Speed Disk Rotor Rig Design for Tip Aerothermal Research

Optimization of Turbine Squealer Tip Cooling Design by Combining Shaping and Flow Injection

Averaging for High Fidelity Modelling: Towards Large Eddy Simulations in Multi-Passage Multi-Row Configurations

Application of Multiscale Methodology for Transonic Turbine Blade Tip Cooling Design

Validation Studies of Linear Oscillating Compressor Cascade and Use of Influence Coefficient Method

On the Validity of Scaling Transient Conjugate Heat Transfer Characteristics

Implicit Discontinuous Galerkin Solution on Unstructured Mesh for Turbine Blade Secondary Flow

Validation Studies of Linear Oscillating Compressor Cascade and Use of Influence Coefficient Method

Application of Multi-Scale Methodology for Transonic Turbine Blade Tip Cooling Design

Effect of Multiple Pulse Resistance Spot Welding Schedules on Liquid Metal Embrittlement Severity

Experimental Evidence of Temperature Ratio Effect on Turbine Blade Tip Heat Transfer

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