基于FLUENT的喷嘴挡板式电-气压力伺服阀的数值计算和试验研究  

Numerical Simulation and Experimental Study of the Nozzle Flapper Electro-pneumatic Pressure Servo-valve Based on Fluent

作　　者：云霞 程雪飞 金瑶兰 俞帅 徐见云 

机构地区：[1]中船重工集团第七〇四研究所,上海200070

出　　处：《液压气动与密封》2013年第9期10-13,共4页Hydraulics Pneumatics & Seals

摘　　要：以一种单级喷嘴挡板式电-气压力伺服阀为研究对象,运用Fluent软件对其喷嘴挡板级内部流场进行数值计算,分析了不同喷嘴孔径大小对电-气压力伺服阀控制腔压力特性的影响,并结合试验对数值计算结果进行了验证,试验验证与数值计算结果较为一致,为喷嘴挡板式电-气压力伺服阀的工程设计提供了参考。Researching on a nozzle flapper electro-pneumatic pressure servo-valve, the numerical simulation of flow field inside the nozzle flapper is accomplished with FLUENT software, mainly analyze the influence of nozzle diameter on back-pressure. Experimental study is also provided and numerical simulation coincides with the experimental result, which can give references for the design of the nozzle flapper electro-pneumatic pressure servo-valve.

关 键 词：电-气压力伺服阀 喷嘴挡板 流场 数值计算 试验研究 

分 类 号：TH138[机械工程—机械制造及自动化]