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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
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

Mechanism of Fast Transition of Pressure Pulsations in the Vaneless Space of a Model Pump-Turbine During Runaway

Xiaoxi Zhang, Wei Zeng, Yongguang Cheng, Zhiyan Yang, Qiuhua Chen, Jiandong Yang
Journal: Journal of Fluids Engineering
Article Type: Research-Article
J. Fluids Eng. December 2019, 141(12): 121104.
Paper No: FE-18-1567
https://doi.org/10.1115/1.4044068
Published Online: July 12, 2019
View Article titled, Mechanism of Fast Transition of Pressure Pulsations in the Vaneless Space of a Model Pump-Turbine During Runaway
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Topics: Flow (Dynamics), Impellers, Pressure, Pump turbines, Vortices
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
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
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
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
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
Proceedings Papers

Domain Partitioned Transformation of Pump-Turbine Characteristic Curves in 3-D Space

Wei Zeng, Jiandong Yang, Yongguang Cheng
Proc. ASME. FEDSM2014, Volume 1B, Symposia: Fluid Machinery; Fluid-Structure Interaction and Flow-Induced Noise in Industrial Applications; Flow Applications in Aerospace; Flow Manipulation and Active Control: Theory, Experiments and Implementation; Multiscale Methods for Multiphase Flow; Noninvasive Measurements in Single and Multiphase Flows, V01BT10A034, August 3–7, 2014
Paper No: FEDSM2014-21738
https://doi.org/10.1115/FEDSM2014-21738
View Paper titled, Domain Partitioned Transformation of Pump-Turbine Characteristic Curves in 3-D Space
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Topics: Pump turbines, Guide vanes, Hydraulic transients, Interpolation, Simulation, Boundary-value problems, Hydroelectric power stations, Shapes, Storage
Journal Articles

Construction of Pump-Turbine Characteristics at Any Specific Speed by Domain-Partitioned Transformation

Wei Zeng, Jiandong Yang, Yongguang Cheng
Journal: Journal of Fluids Engineering
Article Type: Research-Article
J. Fluids Eng. March 2015, 137(3): 031103.
Paper No: FE-14-1116
https://doi.org/10.1115/1.4028607
Published Online: October 21, 2014
View Article titled, Construction of Pump-Turbine Characteristics at Any Specific Speed by Domain-Partitioned Transformation
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Topics: Construction, Pump turbines