溢流阀复位弹簧流场特性的CFD研究  

CFD Study on Flow Field Characteristics of Relief Valve Reset Spring

作　　者：郭宗凯 王伟 卢海承 卢德来 Guo Zongkai;Wang Wei;Lu Haicheng;Lu Delai(Beijing Tianma Intelligent Control Technology Co.,Ltd.,Beijing 101399,China)

机构地区：[1]北京天玛智控科技股份有限公司,北京101399

出　　处：《煤矿机械》2023年第8期45-47,共3页Coal Mine Machinery

基　　金：北京天玛智控科技股份有限公司科技项目(2022TM006-J1)。

摘　　要：在ANSYS WorkBench平台工作流中分析了液压系统中弹簧对系统压力损失的影响程度。在建模过程中,采用布尔运算的方法处理弹簧和阀体之间的奇异性部位,并使用Fluent的多面体网格提高计算效率和精度。分析了3种阀体一致、内部弹簧结构不同的溢流阀内部流场。结果表明,弹簧在流场中不一定是增加流阻,在溢流阀中流阻因为弹簧的引入而降低了。同时,设计了一款有导流功能的阀芯,经过验证,其减阻作用明显。In the workflow of ANSYS Workbench platform,the influence of spring in hydraulic system on system pressure loss was analyzed.In the modeling process,the Boolean operation method was used to deal with the singular parts between the spring and the valve body,and the polyhedral mesh of Fluent was used to improve the calculation efficiency and accuracy.The internal flow fields of three relief valves with same valve body and different internal spring structures were analyzed.The results show that the spring does not necessarily increase the flow resistance in the flow field.In the relief valve,the flow resistance is reduced due to the introduction of the spring.At the same time,a valve core with diversion function was designed.After verification,its drag reduction effect is obvious.

关 键 词：弹簧 压降 ANSYS FLUENT 结构优化 减阻 

分 类 号：TH137.52[机械工程—机械制造及自动化] TP391.1[自动化与计算机技术—计算机应用技术]