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Proceedings Papers

Numerical Investigations on the Aerodynamic Performance of Supercritical Carbon Dioxide Centrifugal Compressor

Run Cao, Rui Yang, Qinghua Deng, Jun Li, Liming Song, Tieyu Gao
Proc. ASME. GT2024, Volume 11: Supercritical CO2, V011T28A019, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-125624
https://doi.org/10.1115/GT2024-125624
View Paper titled, Numerical Investigations on the Aerodynamic Performance of Supercritical Carbon Dioxide Centrifugal Compressor
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Topics: Compressors, Supercritical carbon dioxide
Journal Articles

Influence of Scallops on Windage Loss and Flow Characteristics in Disk-Type Gap

Zhuobin Zhao, Qinghua Deng, Jun Li, Zhenping Feng
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. November 2024, 146(11): 111205.
Paper No: FE-24-1081
https://doi.org/10.1115/1.4065450
Published Online: May 24, 2024
View Article titled, Influence of Scallops on Windage Loss and Flow Characteristics in Disk-Type Gap
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Topics: Disks, Flow (Dynamics), Computer simulation, Geometry
Journal Articles

Action Mechanism of Film Extraction on Channel Impingement Cooling for Blade Leading Edge Using Large Eddy Simulation

Huihui Wang, Xiying Niu, Qinghua Deng, Zhenping Feng
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 2024, 146(10): 101010.
Paper No: TURBO-24-1012
https://doi.org/10.1115/1.4065396
Published Online: May 8, 2024
View Article titled, Action Mechanism of Film Extraction on Channel Impingement Cooling for Blade Leading Edge Using Large Eddy Simulation
Open the PDF for Action Mechanism of Film Extraction on Channel Impingement Cooling for Blade Leading Edge Using Large Eddy Simulation in another window
Topics: Blades, Coolants, Cooling, Flow (Dynamics), Heat transfer, Impingement cooling, Large eddy simulation, Vortices, Pressure, Film cooling
Journal Articles

Heat Transfer and Flow Characteristics of Channel Impingement Cooling Structure at Leading Edge Inside Turbine Blades Using Large Eddy Simulation

Huihui Wang, Qinghua Deng, Zhenping Feng
Journal: ASME Journal of Heat and Mass Transfer
Publisher: ASME
Article Type: Research-Article
J. Heat Mass Transfer. May 2024, 146(5): 053803.
Paper No: HT-23-1387
https://doi.org/10.1115/1.4064706
Published Online: March 4, 2024
View Article titled, Heat Transfer and Flow Characteristics of Channel Impingement Cooling Structure at Leading Edge Inside Turbine Blades Using Large Eddy Simulation
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Topics: Cooling, Flow (Dynamics), Heat transfer, Impingement cooling, Large eddy simulation, Vortices, Turbine blades, Blades, Coolants, Turbulence
Proceedings Papers

Windage Loss and Flow Characteristics in Back Gap of Radial Inflow Impellers With Steam Medium

Zhuobin Zhao, Qinghua Deng, Lehao Hu, Jun Li, Zhenping Feng
Proc. ASME. GT2023, Volume 13D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V13DT35A011, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102360
https://doi.org/10.1115/GT2023-102360
View Paper titled, Windage Loss and Flow Characteristics in Back Gap of Radial Inflow Impellers With Steam Medium
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Topics: Flow (Dynamics), Impellers, Inflow, Reynolds number, Steam, Turbines
Proceedings Papers

Numerical Investigation of Flow Characteristics in a Supercritical Carbon Dioxide Turbine for 20 Megawatt Brayton Cycle

Guoying Yang, Rui Yang, Qinghua Deng, Bozhou Xu, Jun Li, Zhenping Feng
Proc. ASME. GT2023, Volume 12: Supercritical CO2, V012T28A008, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101767
https://doi.org/10.1115/GT2023-101767
View Paper titled, Numerical Investigation of Flow Characteristics in a Supercritical Carbon Dioxide Turbine for 20 Megawatt Brayton Cycle
Open the PDF for Numerical Investigation of Flow Characteristics in a Supercritical Carbon Dioxide Turbine for 20 Megawatt Brayton Cycle in another window
Topics: Axial flow, Brayton cycle, Clearances (Engineering), Flow (Dynamics), Supercritical carbon dioxide, Turbines
Journal Articles

Cooling and Flow Characteristics of Multi-Channel Wall Jet Structure With Film Holes at Blade Leading Edge

Huihui Wang, Qinghua Deng, Wei He, Zhenping Feng
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. June 2023, 145(6): 061009.
Paper No: TURBO-22-1229
https://doi.org/10.1115/1.4056513
Published Online: January 9, 2023
View Article titled, Cooling and Flow Characteristics of Multi-Channel Wall Jet Structure With Film Holes at Blade Leading Edge
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Topics: Blades, Cooling, Flow (Dynamics), Coolants, Composite materials
Proceedings Papers

Windage Loss and Flow Characteristics in Impeller Back Clearance of sCO 2 Centrifugal Compressor

Lehao Hu, Qinghua Deng, Zhigang Li, Jun Li, Zhenping Feng
Proc. ASME. GT2022, Volume 9: Supercritical CO2, V009T28A018, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82921
https://doi.org/10.1115/GT2022-82921
View Paper titled, Windage Loss and Flow Characteristics in Impeller Back Clearance of sCO 2 Centrifugal Compressor
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Topics: Clearances (Engineering), Compressors, Flow (Dynamics), Impellers
Proceedings Papers

Crossflow Effect on Heat Transfer and Flow Characteristics of Simplified Double Wall Cooling Structure

Juan He, Qinghua Deng, Kun Xiao, Zhenping Feng
Proc. ASME. GT2022, Volume 6A: Heat Transfer — Combustors; Film Cooling, V06AT12A033, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82769
https://doi.org/10.1115/GT2022-82769
View Paper titled, Crossflow Effect on Heat Transfer and Flow Characteristics of Simplified Double Wall Cooling Structure
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Topics: Cooling, Flow (Dynamics), Heat transfer
Journal Articles

Heat Transfer Enhancement of Impingement Cooling by Different Crossflow Diverters

Juan He, Qinghua Deng, Kun Xiao, Zhenping Feng
Journal: ASME Journal of Heat and Mass Transfer
Publisher: ASME
Article Type: Research-Article
J. Heat Mass Transfer. April 2022, 144(4): 042001.
Paper No: HT-21-1404
https://doi.org/10.1115/1.4053275
Published Online: January 25, 2022
View Article titled, Heat Transfer Enhancement of Impingement Cooling by Different Crossflow Diverters
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Topics: Flow (Dynamics), Heat transfer, Impingement cooling, Jets, Turbulence, Reynolds number, Friction, Coolants
Includes: Supplementary data
Proceedings Papers

Conjugate Heat Transfer Characteristics of Double Wall Cooling With Gradient Diameter of Film and Impingement Holes

Juan He, Qinghua Deng, Zhenping Feng
Proc. ASME. GT2021, Volume 5A: Heat Transfer — Combustors; Film Cooling, V05AT12A017, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59423
https://doi.org/10.1115/GT2021-59423
View Paper titled, Conjugate Heat Transfer Characteristics of Double Wall Cooling With Gradient Diameter of Film and Impingement Holes
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Topics: Cooling, Heat transfer, Flow (Dynamics), Pressure, Film cooling, Film flow, Flat plates, Impingement cooling, Reynolds-averaged Navier–Stokes equations, Temperature uniformity
Proceedings Papers

Jet Impingement Heat Transfer Enhancement With Different Crossflow Diverter Shapes

Juan He, Qinghua Deng, Zhenping Feng
Proc. ASME. GT2021, Volume 5B: Heat Transfer — General Interest; Internal Air Systems; Internal Cooling, V05BT15A008, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59080
https://doi.org/10.1115/GT2021-59080
View Paper titled, Jet Impingement Heat Transfer Enhancement With Different Crossflow Diverter Shapes
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Topics: Friction, Heat transfer, Impingement cooling, Shapes, Reynolds number, Flow (Dynamics), Blades, Cooling, Diamonds, Engineering simulation
Journal Articles

Effects of Turning Angle and Turning Internal Radius on Channel Impingement Cooling for a Novel Internal Cooling Structure

Wei He, Qinghua Deng, Guoying Yang, Zhenping Feng
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. September 2021, 143(9): 091005.
Paper No: TURBO-20-1405
https://doi.org/10.1115/1.4050608
Published Online: May 3, 2021
View Article titled, Effects of Turning Angle and Turning Internal Radius on Channel Impingement Cooling for a Novel Internal Cooling Structure
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Topics: Coolants, Cooling, Flow (Dynamics), Heat transfer, Impingement cooling, Pressure, Reynolds number, Turbulence, Turning angles, Vortices
Proceedings Papers

Effects of Turning Angle and Turning Internal Radius on Channel Impingement Cooling for a Novel Internal Cooling Structure

Wei He, Qinghua Deng, Guoying Yang, Zhenping Feng
Proc. ASME. GT2020, Volume 7A: Heat Transfer, V07AT15A034, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-16115
https://doi.org/10.1115/GT2020-16115
View Paper titled, Effects of Turning Angle and Turning Internal Radius on Channel Impingement Cooling for a Novel Internal Cooling Structure
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Topics: Cooling, Impingement cooling, Pressure, Reynolds number, Turning, Turning angles
Proceedings Papers

Conjugate Heat Transfer Characteristics of Double Wall Cooling on a Film Plate With Gradient Thickness

Juan He, Qinghua Deng, Weilun Zhou, Wei He, Tieyu Gao, Zhenping Feng
Proc. ASME. GT2020, Volume 7B: Heat Transfer, V07BT12A008, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14275
https://doi.org/10.1115/GT2020-14275
View Paper titled, Conjugate Heat Transfer Characteristics of Double Wall Cooling on a Film Plate With Gradient Thickness
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Topics: Cooling, Flow (Dynamics), Heat transfer
Proceedings Papers

Design and Aerodynamic Performance Investigations of Centrifugal Compressor for 150kW Class Supercritical Carbon Dioxide Simple Brayton Cycle

Run Cao, Zhigang Li, Qinghua Deng, Jun Li
Proc. ASME. GT2020, Volume 11: Structures and Dynamics: Structural Mechanics, Vibration, and Damping; Supercritical CO2, V011T31A019, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-16156
https://doi.org/10.1115/GT2020-16156
View Paper titled, Design and Aerodynamic Performance Investigations of Centrifugal Compressor for 150kW Class Supercritical Carbon Dioxide Simple Brayton Cycle
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Topics: Brayton cycle, Compressors, Design, Supercritical carbon dioxide, Flow (Dynamics), Impellers, Clearances (Engineering), Leakage flows, Cycles, Numerical stability
Proceedings Papers

Effects of Jetting Orifice Geometry Parameters and Channel Reynolds Number on Bended Channel Cooling for a Novel Internal Cooling Structure

Wei He, Qinghua Deng, Juan He, Tieyu Gao, Zhenping Feng
Proc. ASME. GT2019, Volume 5A: Heat Transfer, V05AT11A005, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90421
https://doi.org/10.1115/GT2019-90421
View Paper titled, Effects of Jetting Orifice Geometry Parameters and Channel Reynolds Number on Bended Channel Cooling for a Novel Internal Cooling Structure
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Topics: Cooling, Geometry, Pressure, Reynolds number
Proceedings Papers

Investigations on Unsteady Flow Excitation and Mechanical Performance of Last Turbine Stage Long Blade Using Fluid-Structure Interaction Method

Jun Li, Zhigang Li, Liming Song, Qinghua Deng
Proc. ASME. IMECE2018, Volume 1: Advances in Aerospace Technology, V001T03A002, November 9–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2018-86950
https://doi.org/10.1115/IMECE2018-86950
View Paper titled, Investigations on Unsteady Flow Excitation and Mechanical Performance of Last Turbine Stage Long Blade Using Fluid-Structure Interaction Method
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Topics: Blades, Equipment performance, Excitation, Fluid structure interaction, Turbines, Unsteady flow, Pressure, Finite element methods, Rotors, Separation (Technology)
Proceedings Papers

Effects of Hole Pitch to Diameter Ratio P/D of Impingement and Film Hole on Laminated Cooling Effectiveness

Weilun Zhou, Qinghua Deng, Wei He, Zhenping Feng
Proc. ASME. GT2017, Volume 5A: Heat Transfer, V05AT10A005, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-64566
https://doi.org/10.1115/GT2017-64566
View Paper titled, Effects of Hole Pitch to Diameter Ratio P/D of Impingement and Film Hole on Laminated Cooling Effectiveness
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Topics: Cooling, Pressure, Coolants, Blades, Flow (Dynamics), Gas turbines, Heat transfer, Mach number
Proceedings Papers

Conjugate Heat Transfer Analysis for Laminated Cooling Effectiveness: Part B — Effects of Film Hole Incline Angle

Qinghua Deng, Weilun Zhou, Zhenping Feng
Proc. ASME. GT2016, Volume 5A: Heat Transfer, V05AT10A009, June 13–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-57256
https://doi.org/10.1115/GT2016-57256
View Paper titled, Conjugate Heat Transfer Analysis for Laminated Cooling Effectiveness: Part B — Effects of Film Hole Incline Angle
Open the PDF for Conjugate Heat Transfer Analysis for Laminated Cooling Effectiveness: Part B — Effects of Film Hole Incline Angle in another window
Topics: Cooling, Heat transfer, Flat plates, Pressure, Blades, Combustion, Coolants, Flow separation, Gas turbines