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    题名 作者 年代 出处 被引量
1Turbine efficiency test on a large hydraulic turbine unit显示文摘The flow rate measurements are the most difficult part of efficiency tests on prototype hydraulic turbines.Among the numerous flow rate measurement methods,the Winter Kennedy method is preferred for measuring turbine flow rates,since it is convenient,practical and economical.This paper describes efficiency tests on a large 300 MW Francis turbine,with the flow rate measured using the Winter Kennedy method and the Winter Kennedy flow rate coefficient calibrated using the Gibson method.The measured turbine efficiency curve is then compared with the curve provided by the manufacturer.The CFD calculations including the spiral case are then used to analyze the influence with the coefficient K and index n in the Winter Kennedy flow rate formula on the flow rate measurement.The uncertainty values of n and K are a key reason for the differences between the curves obtained from the efficiency test and the curves provided by the manufacturer.YAN ZongGuo ZHOU LingJiu WANG ZhengWei 2012Science China(Technological Sciences)2012,55,8:5
2Chebyshev super spectral viscosity method for water hammer analysis显示文摘In this paper,a new fast and efficient algorithm,Chebyshev super spectral viscosity(SSV)method,is introduced to solve the water hammer equations.Compared with standard spectral method,the method's advantage essentially consists in adding a super spectral viscosity to the equations for the high wave numbers of the numerical solution.It can stabilize the numerical oscillation(Gibbs phenomenon)and improve the computational efficiency while discontinuities appear in the solution.Results obtained from the Chebyshev super spectral viscosity method exhibit greater consistency with conventional water hammer calculations.It shows that this new numerical method offers an altemative way to investigate the behavior of the water hammer in propellant pipelines.Hongyu Chen Hongjun Liu Jianhua Chen Lingjiu Wu 2013Propulsion and Power Research2013,2,3:2
3Numerical simulation of cavitation around a hydrofoil and evaluation of a RNG k-e model显示文摘Zhou Lingjiu Wang Zhengwei 2008Journal of Fluids Engineering2008,130,1:1
4Numericalsimulation of three-dimensional cavitation around a hy-drofoil 显示文摘Yang Jing Zhou Lingjiu Wang Zhengwei 2011Journal of Fluids Engineenng2011,133,8:1
5Hydraulic performance of a large slanted axial-flow pump显示文摘Wang Zhengwei Peng Guangjie Zhou Lingjiu 2010Engineering Computations2010,27,2:1
6Hydraulic performance of a large slanted axial-flow pump显示文摘Wang Zhengwei Peng Guangjie Zhou Lingjiu 2010Engineering Computations2010,27,2:1
7Hydraulic performance of a large slanted axial-flow pump显示文摘Wang Zhengwei Peng Guangjie Zhou Lingjiu 0,,02:1
8Hydraulic performance of a large slanted axial-flow pump 显示文摘WANG Zhengwei PEI Guangjie ZHOU Lingjiu 2010Engineering Computations2010,27,2:1
9Simulations and measurements of pressure oscillations caused by vortex ropes 显示文摘WANG Zhengwei ZHOU Lingjiu 2006Journal of fluids engineering2006,128,4:1
10Simulations and measurements of pressure oscillations caused by vor- tex ropes 显示文摘Wang Zhengwei Zhou Lingjiu 2006Journal of Fluids Engineering2006,128,7:1
11Hydraulic performance of a large slanted axial-flow pump 显示文摘Wang Zhengwei Peng Guangjie Zhou lingjiu 2010Engineering Computations2010,27,2:1
12Hydraulic performance of a large slanted axial-flow pump 显示文摘WANG Zhengwei PENG Guangjie ZHOU Lingjiu ct al 2010Engineering computations2010,27,2:1
13Simulations and measurements of pressure oscillations caused by vortex ropes显示文摘Wang Zhengwei Zhou Lingjiu 2006Journal of Fluids Engineering2006,128,:1
14Numerical simulation of three-dimensional cavitation around a hy- drofoil显示文摘Yang Jing Zhou Lingjiu Wang Zhengwei 2011Journal of Fluids Engineering2011,133,08:1
15Hydraulic performance of slanted axial pump system 显示文摘Wang Zhengwei Peng Guangjie Zhou Lingjiu 2010Engineering Computations2010,27,2:1
16Numerical simulation of cavitation around a hydrofoil and evaluation of a RNG k - s model 显示文摘Zhou Lingjiu Wang Zhengwei 2008Journal of Fluids Engineering2008,130,01:1
17Numerical simulation of cavitation around a hydrofoil and evaluation of a RNG k model 显示文摘Zhou Lingjiu Wang Zhengwei 2008Journal of Fluids Engineering2008,130,1:1
18Simulation of unsteady flow in a Francis turbine draft tube 显示文摘WANG Zhengwei ZHOU Lingjiu 2003Hydropower &Dams2003,10,1:1
19Hydraulic performance of a large slanted axial-flow pump 显示文摘WANG Zhengwei PENG Guangjie ZHOU Lingjiu 2010Engineering computations2010,27,2:1
20Simulations and measurements of pressure oscillations caused by vortex ropes 显示文摘WANG Zhengwei ZHOU Lingjiu 2006J Fluids Eng Trans ASME2006,128,:1
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