Simulation and experimental research on steady flow force compensation for a servo proportional valve

被引：4
|
作者：
Chen, Lei [1 ]
Zhang, Ce [2 ]
Jin, Bo [1 ]
Yuan, Tangbo [1 ]
机构：
[1] Zhejiang Univ, State Key Lab Fluid Power & Mechatron Syst, Hangzhou 310027, Peoples R China
[2] Ningbo HOYEA Machinery Manufacture Co Ltd, Ningbo 315131, Peoples R China
来源：
FLOW MEASUREMENT AND INSTRUMENTATION | 2023年 / 94卷
关键词：
CFD simulation; Steady-state flow force; Flow force compensation; Servo proportional valve;
D O I：
10.1016/j.flowmeasinst.2023.102457
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
In the development of high-performance directly driven proportional directional valves, reducing the flow force of the spool is a crucial aspect due to its significant influence on the dynamic characteristics and power consumption of these valves. This paper presents a study on the steady-state flow force of a servo-proportional valve spool by employing a combined approach of numerical simulations and experiments. Additionally, a method is proposed to compensate for the steady-state flow force by modifying the shoulder inclination of the spool. The results demonstrate that modifying the shoulder angle of the spool alters the emergence angle, leading to a substantial reduction in the steady-state flow force acting on the spool. Notably, the compensation method has negligible impact on the through-flow capability of the servo-proportional valve.
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页数：14
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