汽轮机高中压外缸温度场分析  

Analysis of the Temperature Field for High-intermediate Pressure Outer Cylinder of Turbine

作　　者：王林[1] 顾卫东[1] 吕智强[1] 王立岩[1] 何成君[1] 

机构地区：[1]哈尔滨汽轮机厂有限责任公司,哈尔滨150046

出　　处：《汽轮机技术》2007年第1期29-31,共3页Turbine Technology

摘　　要：介绍了汽轮机高中压外缸不同部位的对流换热系数计算方法,分别用有限差分法和有限元法分析了某机组的高中压外缸的温度场,并将分析结果进行了对比,为高中压外缸的热应力分析奠定了基础。Calculation methods of coefficient of convective heat transfer for high - intermediate pressure outer cylinder in turbine are summarized. Temperature field for high-intermediate pressure outer cylinder in turbine is analyzed respectively by finite difference method and finite element method. The analyzed results is compared. So the basis of analysis of thermal stress is founded.

关 键 词：对流换热系数 温度场 汽轮机 外缸 

分 类 号：TK263.1[动力工程及工程热物理—动力机械及工程]