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Journal Articles

Reduction of Pressure Pulsation for Pump-Turbine by Variable Speed Operation

Yulan Li, Weijia Yang, Yifan Huang, Weichao Ma, Zhigao Zhao, Jiebin Yang, Yongguang Cheng, Zhongdong Qian, Jiandong Yang
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Research Papers
J. Energy Resour. Technol. August 2023, 145(8): 081301.
Paper No: JERT-22-1598
https://doi.org/10.1115/1.4062442
Published Online: May 24, 2023
View Article titled, Reduction of Pressure Pulsation for Pump-Turbine by Variable Speed Operation
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Topics: Pressure, Trajectories (Physics), Pump turbines
Journal Articles

Numerical Study of Mitigating Cloud Cavitation Shedding Using Biomimetic Protuberant Stripes

Zhongdong Qian, Shaofeng Zhang, Longjian Xue
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. September 2022, 144(9): 091201.
Paper No: FE-21-1511
https://doi.org/10.1115/1.4053680
Published Online: March 11, 2022
View Article titled, Numerical Study of Mitigating Cloud Cavitation Shedding Using Biomimetic Protuberant Stripes
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Topics: Cavitation, Flow (Dynamics), Hydrofoil, Pressure
Journal Articles

Erosion Wear on Runner of Francis Turbine in Jhimruk Hydroelectric Center

Zhongdong Qian, Zilong Zhao, Zhiwei Guo, Biraj Singh Thapa, Bhola Thapa
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Technical Briefs
J. Fluids Eng. September 2020, 142(9): 094502.
Paper No: FE-19-1726
https://doi.org/10.1115/1.4047230
Published Online: June 1, 2020
View Article titled, Erosion Wear on Runner of Francis Turbine in Jhimruk Hydroelectric Center
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Topics: Blades, Erosion, Francis turbines, Guide vanes, Hydropower, Vortices, Wear, Particulate matter, Sediments
Proceedings Papers

Numerical Investigation of Tip Leakage Vortex Cavitation in Axial Waterjet Pump With Different Tip Gap Sizes

Shun Xu, Bin Ji, Xinping Long, Zhongdong Qian, Guibin Li, Jiajian Zhou
Proc. ASME. AJKFluids2019, Volume 3B: Fluid Applications and Systems, V03BT03A070, July 28–August 1, 2019
Publisher: American Society of Mechanical Engineers
Paper No: AJKFluids2019-4990
https://doi.org/10.1115/AJKFluids2019-4990
View Paper titled, Numerical Investigation of Tip Leakage Vortex Cavitation in Axial Waterjet Pump With Different Tip Gap Sizes
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Topics: Cavitation, Leakage, Pumps, Vortices, Impellers, Axial flow, Vorticity, Computer simulation, Diffusion (Physics), Flow (Dynamics)
Journal Articles

Evolutions of Pressure Fluctuations and Runner Loads During Runaway Processes of a Pump-Turbine

Linsheng Xia, Yongguang Cheng, Zhiyan Yang, Jianfeng You, Jiandong Yang, Zhongdong Qian
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. September 2017, 139(9): 091101.
Paper No: FE-16-1808
https://doi.org/10.1115/1.4036248
Published Online: June 5, 2017
View Article titled, Evolutions of Pressure Fluctuations and Runner Loads During Runaway Processes of a Pump-Turbine
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Topics: Flow (Dynamics), Fluctuations (Physics), Pressure, Stress, Pump turbines, Blades
Journal Articles

Mechanism of the S-Shaped Characteristics and the Runaway Instability of Pump-Turbines

Linsheng Xia, Yongguang Cheng, Jianfeng You, Xiaoxi Zhang, Jiandong Yang, Zhongdong Qian
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. March 2017, 139(3): 031101.
Paper No: FE-15-1721
https://doi.org/10.1115/1.4035026
Published Online: December 7, 2016
View Article titled, Mechanism of the S-Shaped Characteristics and the Runaway Instability of Pump-Turbines
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Topics: Flow (Dynamics), Pump turbines, Turbines, Vortices, Blades
Proceedings Papers

Study of a Bionic Anti-Erosion Blade in a Double Suction Centrifugal Pump

Zhongdong Qian, Jing Dong, Zhiwei Guo, Zhiyuan Wang, Fan Wang
Proc. ASME. FEDSM2016, Volume 1A, Symposia: Turbomachinery Flow Simulation and Optimization; Applications in CFD; Bio-Inspired and Bio-Medical Fluid Mechanics; CFD Verification and Validation; Development and Applications of Immersed Boundary Methods; DNS, LES and Hybrid RANS/LES Methods; Fluid Machinery; Fluid-Structure Interaction and Flow-Induced Noise in Industrial Applications; Flow Applications in Aerospace; Active Fluid Dynamics and Flow Control — Theory, Experiments and Implementation, V01AT09A007, July 10–14, 2016
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2016-7627
https://doi.org/10.1115/FEDSM2016-7627
View Paper titled, Study of a Bionic Anti-Erosion Blade in a Double Suction Centrifugal Pump
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Topics: Bionics, Blades, Centrifugal pumps, Erosion, Suction, Domes (Structural elements), Pumps, Pressure
Journal Articles

Looping Dynamic Characteristics of a Pump-Turbine in the S-shaped Region During Runaway

Xiaoxi Zhang, Yongguang Cheng, Linsheng Xia, Jiandong Yang, Zhongdong Qian
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. September 2016, 138(9): 091102.
Paper No: FE-15-1406
https://doi.org/10.1115/1.4033297
Published Online: May 26, 2016
View Article titled, Looping Dynamic Characteristics of a Pump-Turbine in the S-shaped Region During Runaway
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Topics: Flow (Dynamics), Pump turbines, Transients (Dynamics), Computational fluid dynamics, Unsteady flow, Simulation