600MW超超临界汽轮机转子热应力在线监测模型的研究  

Research on Thermal Stress On-line Monitoring Model of 600MW Ultra Supercritical Steam Turbine Rotor

作　　者：孟召军[1] 王光定 孟帅[1] 

机构地区：[1]沈阳工程学院,沈阳110136

出　　处：《汽轮机技术》2015年第1期23-24,64,共3页Turbine Technology

基　　金：辽宁省教育厅项目(L2010382)

摘　　要：对超超临界600MW机组调节级叶轮根部的温度场和应力场进行了数学解析建模,将得到的温度场和应力场的解析求解结果与有限元结果进行了比对,解析解和有限元解的结果有很好的一致性,结果表明,本数学模型具有较高的精度,为超超临界汽轮机转子热应力在线监测程序的开发提供了有益的参考。The temperature field and stress field of impeller root of Ultra supercritical 600MW turbine＇s governing stage＇s model was built through mathematical analytical method , and the results of temperature field and stress field which we have got are compared with the finite element results , the results of analytical solution are in good agreement with the finite element solution.Results show that , this model has high precision , which provides a useful reference to develop the program of the on-line monitoring of Ultra supercritical steam turbine rotor＇s thermal stress .

关 键 词：超超临界 调节级 温度场 热应力 在线监测 

分 类 号：TK263.8[动力工程及工程热物理—动力机械及工程] TH113.1[机械工程—机械设计及理论]