文献类型： 外文期刊
第一作者： Gao, Zhenjun
作者： Gao, Zhenjun;Hu, Chaoqun;Hong, Feng;Gao, Zhenjun;Gao, Zhenjun;Liu, Jianrui
作者机构：
关键词： cooling circulating channel; magnetic drive pump; numerical simulation; pressure fluctuation
期刊名称：JOURNAL OF VIBROENGINEERING （ 影响因子：1.0； 五年影响因子：1.0 ）
ISSN： 1392-8716
年卷期： 2019 年 21 卷 5 期
页码：
收录情况： SCI
摘要： In order to study the layout and developments of pressure pulsation of the main flow passage component in magnetic drive pump, the full flow field numerical research of magnetic drive pump was done with CFX software, the pressure pulsation character of cooling circulating channel and external characteristic curve of pump were obtained. The reliability of the numerical calculation method is verified by the external characteristic test, and the pressure pulsation characteristics in the main flow components of the magnetic drive pump are studied. The results show that the main source of pressure pulsation in magnetic drive pump is the dynamic and static interference between impeller channel, pressurized water chamber and baffle tongue; the main frequency of cooling circulating channel is blade frequency and the pressure fluctuation amplitude of cooling circulation channel decreases with the increase of flow and the propagation of pressure fluctuation in cooling circulation channel weakens the intensity of pressure fluctuating.
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