热流固耦合下微观织构配流副摩擦特性的研究  

Study on Friction Characteristics of Micro-textured Valve Plate Pair under Thermal-Fluid-Solid Coupling

作　　者：王宇帆 王兆强 张娇 WANG Yufan;WANG Zhaoqiang;ZHANG Jiao(School of Mechanical and Automotive Engineering,Shanghai University of Engineering Science,Shanghai 201620,China)

机构地区：[1]上海工程技术大学机械与汽车工程学院,上海201620

出　　处：《机床与液压》2022年第4期19-23,共5页Machine Tool & Hydraulics

基　　金：国家自然科学基金青年科学基金项目(51505272);流体动力与机电系统国家重点实验室开放基金项目(GZKF-201514)。

摘　　要：建立带有矩形微观织构配流盘的配流副数学模型,运用有限差分法求解极坐标下的Reynolds方程和能量方程,通过松弛迭代法得到符合精度要求的离散数值解,并将数值解导入MATLAB做出油膜压力云图、温度云图和弹性变形云图。最后改变矩形织构的参数得到配流副的润滑特性值,对比结果发现:织构的边长越大,润滑效果越好,但是不同的边长对应的最佳织构深度并不同。The mathematical model of port plate pair with rectangular micro-texture was established,the finite difference method was used to solve Reynolds equation and energy equation in polar coordinates,the discrete numerical solution which was in accordance with the accuracy requirements was obtained through the relaxation iteration method.The numerical solution was imported into MATLAB to draw nephograms of oil film pressure,temperature and elastic deformation.Finally,the lubrication characteristics of the port plate pair were obtained by changing the parameters of the rectangular micro-texture.The results show that the larger the micro-texture side length is,the better the lubrication effect is,but once the side lengths are different,the corresponding optimal micro-texture depths are different.

关 键 词：热流固耦合 配流副 微观织构 摩擦特性 

分 类 号：TH137[机械工程—机械制造及自动化]