Structure optimization and flow field simulation of plate type high speed on-off valve

作     者：WANG Xiao-jing LI Wen-jie LI Chun-hui PENG Yi-wen 王晓晶;李文杰;李春辉;彭义文

作者机构：Key Laboratory of Advanced Manufacturing and Intelligent Technology of Ministry of EducationHarbin University of Science and TechnologyHarbin 150080China 

基　　金：Project(51975164)supported by the National Natural Science Foundation of China Project(201908230358)supported by the China Scholarship Council Project supported by the Fundamental Research Foundation for Universities of Heilongjiang Province,China 

出 版 物：《Journal of Central South University》 (中南大学学报（英文版）)

年 卷 期：2020年第27卷第5期

页      码：1557-1571页

摘      要：There is a relatively complex flow state inside the high speed on-off valve,which often produces low pressure area and oil reflux in the high-speed opening and closing process of the spool,causing cavitation and vortex and other *** phenomena will affect the stability of the internal flow field of the plate valve and the flow characteristics of the high speed on-off *** at the problems of small flow rate and instability of internal flow field,a new spool structure was *** flow field models of two-hole and three-hole plate spools with different openings were established,and software ANSYS Workbench was chosen to mesh the *** standard k−εturbulence model was selected for numerical simulation using FLUENT *** pressure distribution and velocity distribution under the same pressure and different opening degree were *** structure and parameters of the optimization model were also *** stability analysis of flow field under different pressure was carried *** results demonstrate that the three-hole spool has a similar flow field change with the two-hole spool,but it does not create a low pressure zone,and the three-hole spool can work stably at 2 MPa or *** method improves the appearance of low pressure area and oil backflow in the process of high speed opening and closing of *** stability of flow field and the flow rate of high speed switch valve are ***,the products designed in this paper are compared with existing hydraulic valve *** results show that the three-hole plate type high speed on-off valve designed in this paper maintains the stability of the internal flow field under the condition of 200 Hz and large opening degree,and realizes the increase of flow rate.

主 题 词：high speed on-off valve flow field simulation pressure and flow characteristics 

学科分类：0810[工学-土木类] 080704[080704] 0806[工学-电气类] 08[工学] 0807[工学-电子信息类] 0805[工学-能源动力学] 0703[理学-化学类] 0812[工学-测绘类] 

核心收录：

D　O　I：10.1007/s11771-020-4390-2

馆 藏 号：203935070...