Fluid-structure interaction simulation of dynamic properties of electromagnetic valve

被引：0

作者：

Liu, Jun ^{[1
]}

Xu, Chun-Guang ^{[1
]}

Zhang, Fan ^{[1
]}

机构：

[1] Faculty of Vehicle Engineering and Mechanics, Dalian University of Technology, Dalian

来源：

Tuijin Jishu/Journal of Propulsion Technology | 2015年 / 36卷 / 07期

关键词：

Collision model; Dynamic properties; Fluid-structure interaction; Interface scheme; Virtual baffle;

D O I：

10.13675/j.cnki.tjjs.2015.07.002

中图分类号：

学科分类号：

摘要：

In order to study the dynamic properties of electromagnetic valve used in high pressure feed systems of liquid rocket engine, numerical simulation of electromagnetic valve has been performed by means of fluid-structure interaction scheme. The structure was modeled by the single freedom mass spring damper system, and was solved by the Newmark method. The flow field was governed by the unsteady Euler equation and was solved by the Arbitrary Lagrangian-Eulerian finite volume scheme based on the spring analogy dynamic mesh. The flow field solver employed a new fluid-structure interface scheme. The flow field topology transition induced by the valve charging/discharging was simulated by the virtual baffle technique. The design factors which are responsible for the dynamic properties of electromagnetic valve are presented. Simulation results show that the main valve-cylinder collision model with 19% energy loss has halved the time of valve opening distance reaching steady state compared with the collision model without energy loss. It is proved that the collision model is a crucial factor associated with the dynamic properties of electromagnetic valve. ©, 2015, Editorial Office of Journal of Propulsion Technology. All right reserved.

引用

页码：968 / 975

页数：7

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