压力管道梭式爆破保护装置有限元仿真分析  

Finite Element Emulation Analysis on Shuttle-Type Rupturing Protection Devices of Pressure Piping

作　　者：莫才友[1] 朱建公[1] 向北平[1] 曾祥炜[1] 

机构地区：[1]西南科技大学制造科学与工程学院,四川绵阳621010

出　　处：《机械设计与制造》2013年第9期5-7,共3页Machinery Design & Manufacture

基　　金：四川省科技厅应用基础研究资助项目(2012JY0050)

摘　　要：为了对梭式爆破保护装置进行有限元仿真分析,得出爆破保护装置在关闭时流场的动态特性,采用数值仿真计算方法。以ADINA软件为平台,建立DN50梭式爆破保护装置的数学模型,设置合理的参数与边界条件,对阀内的流场进行数值模拟计算,分析梭式爆破装置内流场的压力与速度分布情况,验证了梭式保护装置结构内流场压力分布对称,阀芯在爆破关闭的瞬间移动平稳,削减了水击对管道系统的破坏,在压力管道运输中起到了很好的保护作用,有利于其进一步研究与应用。In order to shuttle-type rupturing protection devices for finite element simulation analysis, it obtains blasting protective device in closing the dynamic characteristics of the flow field, the numerical simulation method, In ADINA software, the establishment of the DN50 Shuttle-type rupturing protection device, the mathematical model sets up reasonable parameters and boundary conditions, and numerical simulation of internal flow field of calculation and analysis of flow .field inside the shuttle blasting device of pressure and velocity distribution of flow.field inside the shuttle protection structure is verified that pressure distribution is symmetrical, the spool is blasting smoothly before the close of the valve core and reduces the damage of water hammer in pipeline system, and the pressure in the pipeline transport has played a role of protection effect, which is helpful for the further research and application.

关 键 词：梭式爆破保护装置 流场特性 ADINA 有限元 

分 类 号：TH16[机械工程—机械制造及自动化]