Abstract：Abstract：In order to improve the performance of the canned motor pump and simplify the design period，the canned motor and the hydraulic components of canned motor pump GPS40—-9F were designed on basis of numefical simulation。The command flow was written by using the parametrization design
language APDL in ANSYS and was used to complete the entire magnetic field simulation．Magnetic field lines，magnetic flux density distribution maps derived from two canned motor models were analysed．The three-dimensional model of the hydraulic components in canned motor pump was constructed and the flow field simulation was carried out at different operating points by using SIMPLER algorithm and SIMPLE algorithm in the CFX.The results show that the air-gap flux of model 2 is greater than that of model l，which is nlore conducive to conversion between the electrical and mechanical energy． In the same condi-tions of model and mesh，the calculation by using SIMPLER algorithm is more efficient than that by using SIMPLE aI_Sorithm．Therefore，SIMPLER algorithm is better in convergence results．Comparing the simu-lation results with the experimental values，which confirms that the numerical simul ation computation isfeasible and accutate．
孔繁余，周水清，沈小凯，王文廷，邵 飞. GPS40—9F型屏蔽泵的设计[J]. 排灌机械工程学报, 2011, 29(1): 16-20.
Kong Fanyu，Zhou Shuiqing，Shen Xiaokai，Wang Wenting，Shao Fei. Design of canned motor pump GPS40-9 F. Journal of Drainage and Irrigation Machinery Engin, 2011, 29(1): 16-20.
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