Analysis of force and leakage in water hydraulic motor's piston pairs

被引：0
|
作者：
王志强 [1 ,2 ]
DAI Zejun [1 ]
LI Xinglin [3 ]
HE Wen [2 ]
GAO Dianrong [4 ]
机构：
[1] School of Mechanical Engineering, Hangzhou Dianzi University
[2] School of Mechanical Engineering, Zhejiang University
[3] Post-Doctoral Research Center, Hangzhou Bearing Test&Research Center Co. Ltd.
[4] School of Mechanical Engineering, Yanshan University
来源：
High Technology Letters | 2022年 / 28卷 / 03期
基金：
中国博士后科学基金; 中国国家自然科学基金;
关键词：
D O I：
暂无
中图分类号：
TH69 [其他专用机械与设备];
学科分类号：
0802 ;
摘要：
The positive pressure between pistonwall and piston hole of inner curve water hydraulic motor’s piston pairs is analyzed.The flow field of the piston pairs is numerically calculated and analyzed by the use of computational fluid dynamics method.The pressure and velocity distribution of flow field at different clearance is analyzed in the paper.The results show that when the clearance is 4-8 μm,with the increase of clearance,the negative pressure and the velocity of piston chamber decrease significantly,the velocity and leakage flow of the clearance increase.However,when the clearance is 10 μm,the negative pressure and the velocity of plunger chamber increase suddenly.By comprehensive analysis,the cylinder annular clearance should be controlled to be near 8 μm.
引用
收藏
页码：328 / 336
页数：9
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