FRANCIS

作品数：92被引量：180H指数：7
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Prediction of the precessing vortex core in the Francis-99 draft tube under off-design conditions by using Liutex/Rortex method被引量：6
《Journal of Hydrodynamics》2020年第3期623-628,共6页Cong Trieu Tran Xin-ping Long Bin Ji Chaoqun Liu 
The turbulent flow in the draft tube of a Francis turbine is very complicated while working under off-design conditions. Although the off-design conditions were widely studied, the vortex core line in the draft tube o...
关键词：Cavitating vortex rope Francis turbine Liutex/Rortex method off-design condition vortex core line 
A new method of dynamic mesh used in continuous guide vane closure of a reversible pump-turbine in generating mode被引量：5
《Journal of Hydrodynamics》2019年第5期976-985,共10页Xiu-li Mao Yuan Zheng Giorgio Pavesi Zhan-shan Xie 
Project supported by the National Natural Science Foundation of China(Grant No.51909222).
In this paper,a new method of dynamic mesh based on two functional controls is used in the continuous guide vane closure,and the three-dimensional numerical simulation is carried out to investigate the transient flow ...
关键词：Francis-type REVERSIBLE TURBINE dynamic mesh guide VANE CLOSURE flow characteristics 
Numerical predictions of pressure pulses in a Francis pump turbine with misaligned guide vanes被引量：13
《Journal of Hydrodynamics》2014年第2期250-256,共7页肖业祥 王正伟 张瑾 罗永要 
supported by the National Natural Science Foundation of China(Grant No.51009077);the National High Technology Research and Development Program of China(863 Program,2009AA05Z424)
Previous experimental and numerical analyses of the pressure pulse characteristics in a Francis turbine are extended here by using the unsteady Reynolds-averaged Navier-Stokes equations with the shear stress transport...
关键词：pump turbine misaligned guide vanes pressure pulsation rotor stator interaction numerical simulation 
NUMERICAL SIMULATION AND ANALYSIS OF PRESSURE PULSATION IN FRANCIS HYDRAULIC TURBINE WITH AIR ADMISSION被引量：24
《Journal of Hydrodynamics》2007年第4期467-472,共6页QIAN Zhong-dong YANG Jian-dong HUAI Wen-xin 
the National Natural Science Foundation of China (Grant No.50609020);Natural Science Foundation of Hubei Province (Grant No. 2006ABB040)
In this article, the three-dimensional unsteady multiphase flow is simulated in the whole passage of Francis hydraulic turbine. The pressure pulsation is predicted and compared with experimental data at positions in t...
关键词：Francis hydraulic turbine air admission pressure pulsation numerical simulation 
LARGE-EDDY SIMULATION OF TURBULENT FLOW CONSIDERING INFLOW WAKES IN A FRANCIS TURBINE BLADE PASSAGE被引量：12
《Journal of Hydrodynamics》2007年第2期201-209,共9页WANG Wen-quan ZHANG Li-xiang YAN Yan GUO Yakun 
Project supported by the National Natural Science Foundation of China (Grant Nos. 50579025 and 90210005 ).
Turbulent flow in a 3-D blade passage of a Francis hydro turbine was simulated with the Large Eddy Simulation （LES） to investigate the spatial and temporal distributions of the turbulence when strongly distorted wak...
关键词：Large Eddy Simulation （LES） turbulent flow numerical simulation WAKES Francis hydro turbine 
ANALYSIS AND ESTIMATION OF HYDRAULIC STABILITY OF FRANCIS HYDRO TURBINE被引量：16
《Journal of Hydrodynamics》2004年第2期194-200,共7页LAIXi-de 
ThisworkwassupportedbytheNationalNaturalScienceFoundationofChina (GrantNo :5 94 9370 4 )andPartiallysupportedbySichuanProvincialKeyDisiplines.(GrantNo :SZD0 4 12 )
With the development of large-capacity hydro turbines, the hydraulicinstability of hydro turbines has become one of the most important problems that affect the stableoperation of the hydro-electric units. The hydrauli...
关键词：francis hydro turbines hydraulic stability vortex core performanceestimation 
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