流体机械

2019, v.47;No.563(05) 56-60

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提升高度对膜片式电磁阀性能的影响
Effect of Lifting Height on Performance of Diaphragm Solenoid Valve

李忠;章茂森;靳淑军;程红晖;胡春艳;雷艳;
Li Zhong;Zhang Maosen;Jin Shujun;Cheng Honghui;Hu Chunyan;Lei Yan;Hefei General Machinery Research Institute Co.,Ltd.;

摘要(Abstract):

针对膜片式电磁阀内部结构复杂、实际工况多变现象,运用计算流体力学软件对其内部流场进行了数值模拟,研究了不同膜片提升高度下电磁阀内部流量、水头损失、压力和流速的变化规律。结果表明:电磁阀流量值随压差增大相应增大,呈抛物线变化趋势,但增长幅度逐渐减弱;水头损失随流速增大相应增大,呈二次函数变化趋势,且增长幅度逐渐明显;随提升高度设计值的增大,流量值增大,水头损失减小,100%提升高度下二者达到最大值,但压力波动程度和速度变化幅度逐渐减小,100%提升高度下二者达到最小值,研究结果对膜片式电磁阀的后续优化设计提供一定参考。
With respect to the phenomenon of complicated internal structure of the diaphragm solenoid valve and variable actual operating conditions,the internal flow field of the solenoid valve was numerically simulated using the computational fluid dynamics software,and the change rules of internal flowrate,head loss,pressure,and flow velocity of the solenoid valve under different lifting heights of the diaphragm were studied. The results show that the four key parameters have a certain variation rule under different lift heights of the diaphragm,The results show that the flow rate of the solenoid valve increases with the increase of the pressure difference,showing a parabolic trend,but the growth rate is gradually weakened;the head loss increases with the increase of the flow velocity,showing a quadratic function,and the growth rate is gradually obvious;With the increase of the design value of the lifting height,the flow value increases,the head loss decreases,and the maximum value is reached at 100% lifting height,but the pressure fluctuation degree and the speed change amplitude gradually decrease,and both reach a minimum at 100% lift height. The research results can provide some reference for the subsequent optimal design of the diaphragm solenoid valve.

关键词(KeyWords): 膜片式电磁阀;提升高度;数值模拟;内部流场;性能影响
diaphragm solenoid valve;lift height;numerical simulation;internal flow field;performance effect

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作者(Author): 李忠;章茂森;靳淑军;程红晖;胡春艳;雷艳;
Li Zhong;Zhang Maosen;Jin Shujun;Cheng Honghui;Hu Chunyan;Lei Yan;Hefei General Machinery Research Institute Co.,Ltd.;

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