Unsteady Numerical Simulation for Gas-liquid Two-phase Flow in Self-priming Process of Centrifugal Pump
A common vertical self-priming centrifugal pump was selected as the object in this paper.Using unsteady numerical simulation,the authors investigated the transient gas-liquid two-phase flow in the self-priming centrifugal pump during the self-priming process.The main innovation in the simulation was that a section of the suction pipe filled with air was set as the initial condition,which conformed to the actual self-priming conditions.The gas-liquid two-phase distribution,the pressure and velocity in relation to time were computed and analyzed.Flow rates of both phases with time at the pump inlet and outlet were obtained based on the simulation,which could be used to estimate the self-priming time and other performance parameters.
Self-priming pump self-priming process gas-liquid two-phase flow void fraction unsteady numerical simulation
Si Huang Le Yue Jing Guo
School of Mechanical and Automotive Engineering,South China University of Technology,Guangzhou,China,510640
国际会议
桂林
英文
1-10
2013-07-16（万方平台首次上网日期，不代表论文的发表时间）