Search Results - "Gong, Ruzhi"

Unsteady simulation and analysis for hump characteristics of a pump turbine model by Deyou, Li, Hongjie, Wang, Gaoming, Xiang, Ruzhi, Gong, Xianzhu, Wei, Zhansheng, Liu

“…Presently, hydropower is the world's largest source of renewable energy. Pump Storage Power Plant develops the rapidly because of its effective electricity…”
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Entropy Production Analysis for Hump Characteristics of a Pump Turbine Model by Li, Deyou, Gong, Ruzhi, Wang, Hongjie, Xiang, Gaoming, Wei, Xianzhu, Qin, Daqing

“…The hump characteristic is one of the main problems for the stable operation of pump turbines in pump mode.However,traditional methods cannot reflect directly…”
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Application of entropy production theory to hydro-turbine hydraulic analysis by Gong, RuZhi, Wang, HongJie, Chen, LiXia, Li, DeYou, Zhang, HaoChun, Wei, XianZhu

“…The understanding of hydraulic behavior in the hydro turbine requires the detailed study of fluid flow in the turbine. Previous methods of analyzing the…”
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Influence of axial clearance on the performance characteristics of a turbopump by Li, Deyou, Ren, Zhipeng, Fan, Rong, Chai, Yafei, Gong, Ruzhi, Wang, Hongjie

“…To evaluate the influence of axial clearance on the performance characteristics in turbopumps, numerical simulations of an entire flow passage were carried…”
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Investigations on Pressure Fluctuations in the S-Shaped Region of a Pump–Turbine by Wang, Hongjie, Wang, Jianpeng, Gong, Ruzhi, Shang, Chaoying, Li, Deyou, Wei, Xianzhu

“…Hydraulic pumped storage is a special power generation and electricity shortage technology, which is usually operated with thermal power and nuclear power…”
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Analysis of vorticity dynamics for hump characteristics of a pump turbine model by Li, Deyou, Gong, Ruzhi, Wang, Hongjie, Han, Lei, Wei, Xianzhu, Qin, Daqing

“…Conventional parameters based on CFD methodology for the investigation on hump characteristics of a pump turbine cannot reflect the dynamic interaction…”
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Dynamic analysis on pressure fluctuation in vaneless region of a pump turbine by Li, DeYou, Gong, RuZhi, Wang, HongJie, Xiang, GaoMing, Wei, XianZhu, Liu, ZhanSheng

“…As the pump turbine tends to be operated with high head and high rotational speed, the study of stability problems becomes more important. The pump turbine…”
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Investigation on reversible pump turbine flow structures and associated pressure field characteristics under different guide vane openings by Binama, Maxime, Su, WenTao, Cai, WeiHua, Li, FengChen, Wei, XianZhu, Muhirwa, Alex, Gong, RuZhi, Wekesa, David W.

“…The use of reversible pump turbines (RPT) within pumped storage power plants goes with prolonged periods of off-design operating conditions, which leads to the…”
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Investigation into the flow details of runner region in a pump turbine at off-design conditions by Gong, Ruzhi, Li, Deyou, Wang, Hongjie, Wei, Xianzhu, Qin, Daqing

“…Due to the rapid development of large thermal power stations and nuclear power stations, it requires that the power grid should provide greater capability and…”
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Energy and exergy analysis of a novel pumped hydro compressed air energy storage system by Yang, Biao, Li, Deyou, Fu, Xiaolong, Wang, Hongjie, Gong, Ruzhi

“…Many pumped hydro compressed air energy storage systems suffer from defects owing to large head variations in the hydraulic machinery. To solve this problem,…”
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Numerical study of the hydrofoil cavitation flow with thermodynamic effects by Li, Deyou, Miao, Boxuan, Li, Yu, Gong, Ruzhi, Wang, Hongjie

“…High-temperature water exhibits evident thermodynamic effects during cavitation, which influences the cavitation flow and generates complex flow…”
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Parameter impact and sensitivity analysis of a pumped hydro compressed air energy storage system by Yang, Biao, Li, Deyou, Fu, Xiaolong, Wang, Hongjie, Gong, Ruzhi

“…•Impacts of 11 design parameters on evaluation indices are explored.•Local sensitivity of each design parameter is revealed.•Global sensitivity of each…”
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Thermodynamic effects on the cavitation flow of a liquid oxygen turbopump by Li, Deyou, Ren, Zhipeng, Li, Yu, Gong, Ruzhi, Wang, Hongjie

“…•Numerical simulations of the turbopump with the thermodynamic effects were performed.•The distribution of the cavitation in the turbopump was…”
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Cavitation effects on pressure fluctuation in pump-turbine hump region by Li, Deyou, Zhu, Yutong, Lin, Song, Gong, Ruzhi, Wang, Hongjie, Luo, Xingqi

“…•Large eddy simulations considering cavitation in a pump-turbine were performed.•Effect mechanism of cavitation on pressure fluctuation in the hump region was…”
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Review of innovative design and application of hydraulic compressed air energy storage technology by Yang, Biao, Li, Deyou, Zhang, Yi, Fu, Xiaolong, Wang, Hongjie, Gong, Ruzhi, Wei, Xianzhu, Qin, Daqing

“…Owing to the rapid increase in the scale of grid connections of uncertain energy sources, such as wind and solar, the regulation capacity of grids has been…”
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Frequency spectrum analysis for hump characteristic in a pump turbine by Li, Deyou, Wang, Hongjie, Xiang, Gaoming, Gong, Ruzhi, Qin, Daqing

“…In order to analyze the instabilities during the hump region, three dimensional unsteady incompressible simulations are carried out using SST k-ω turbulence…”
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Research on nozzle synchronous control system in a pelton turbine based on MRAC by Wang, Hao, Wang, Hongjie, Zhang, Jian, He, Xiaolin, Gong, Ruzhi

“…To keep pelton turbine running stably, it's important to ensure that the flow of each nozzle is the same. In order to keep the elctro-hydraulic servo nozzle…”
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CFD detection for inner flow and presure fluctuation in a hydraulic tubine by Ruzhi Gong, Hongjie Wang, Yang Yao, Fengchen Li, Daqing Qin

“…Pressure fluctuation is a common problem in large-scale hydroturbine, which will affect the performance of hydroturbines, such as negatively affecting the…”
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Analysis of Rotor-Stator Interaction in Turbine Mode of a Pump-Turbine Model by Li, Deyou, Gong, Ruzhi, Wang, Hongjie, Wei, Xianzhu, Liu, Z S, Qin, D Q

“…The highest-level fluctuations in large pump-turbines are usually originated from rotor-stator interaction (RSI) in the vaneless region. Hence, the studies of…”
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Numerical Investigation in the Vaned Distributor under Different Guide Vanes Openings of a Pump Turbine in Pump Mode by Li, D Y, Gong, R Z, Wang, H J, Zhang, J, Wei, X Z, Shu, L F

“…The performance of a pump turbine in pump mode is of great importance to a pumped storage power plant. In order to obtain the pump characteristics of a pump…”
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