基于Workbench的汽机旁路调节阀结构强度与温度场分析  

Analysis of Structural Strength and Temperature Field of Turbine Bypass Control Valve Based on Workbench

作　　者：冯泉 张俊飞 张强 FENG Quan;ZHANG Jun-fei;ZHANG Qiang(Shenyang SS-Whest Technology Co.,Ltd.,Shenyang 110031,Liaoning,China;Liaoning Wuhuan Special Materials and Intelligent Equipment Industry Technology Research Institute Co.,Ltd.,Shenyang 112113,Liaoning,China)

机构地区：[1]沈阳盛世五寰科技有限公司,辽宁沈阳110031 [2]辽宁五寰特种材料与智能装备产业技术研究院有限公司,辽宁沈阳112113

出　　处：《阀门》2023年第5期578-582,共5页VALVE MAGAZINE

摘　　要：汽机旁路调节阀是核电系统中非常重要的阀门单元,可以调节系统的进出水或者蒸汽的进出量,起到控制温度和压力的功能。利用workbench仿真软件,结合瞬态热-结构耦合理论,对调节阀的阀体进行有限元分析,发现介质温度、施加压力、以及设置的边界条件对阀体平均应力和阀体变形量均有较大的影响,同时温度会使阀门局部受力更加复杂,应根据热-结构耦合理论,进一步研究稳态和瞬态温度场对阀门强度的影响,除此以外,在考虑温度的条件下,也要考虑流体震动频率的问题,以及气锤强振动对结构的影响,结合CFD方法进一步研究介质动态变化等综合因素对阀门阀体的可靠性研究。The steam turbine bypass control valve is a very important valve unit in the nuclear power system,which can regulate the inflow and outflow of water or steam in the system,playing a role in controlling temperature and pressure.This article uses Workbench simulation software and transient thermal structural coupling theory to conduct finite element analysis on the valve body of the regulating valve.It is found that medium temperature,applied pressure,and set boundary conditions have a significant impact on the average stress and deformation of the valve body.At the same time,temperature can make the local stress of the valve more complex.Based on the thermal structural coupling theory,further research should be conducted on the influence of steady-state and transient temperature fields on the strength of the valve,In addition,under the condition of considering temperature,the issue of fluid vibration frequency and the impact of strong vibration of the air hammer on the structure should also be considered.Combined with CFD method,further research should be conducted on the reliability of valve bodies due to comprehensive factors such as medium dynamic changes.

关 键 词：调节阀 阀体 有限元分析 热-结构分析 

分 类 号：TH134[机械工程—机械制造及自动化]