涡轮叶片三维温度场耦合计算  

Three-Dimensional Temperature Field of Turbine Blades Based on Coupling Calculation

作　　者：杨晓明[1] 张丽[1] 焦腾[1] 朱惠人[1] 

机构地区：[1]西北工业大学动力与能源学院,西安710072

出　　处：《机械设计与制造》2012年第8期18-20,共3页Machinery Design & Manufacture

基　　金：国家重点基础研究发展计划(973计划)"大型动力装备制造基础研究"项目中子课题"超限高温服役环境调控机理与双工质冷却新原理"(2007CB707701)

摘　　要：利用接口程序,将西北工业大学自行开发的空气系统流动换热计算程序、涡轮叶片外换热计算程序与商用软件Ansys12.0中的导热计算模块有机集成,实现了涡轮叶片内外表面对流换热与固体导热的耦合计算,从而快速获得涡轮叶片的三维温度场分布。通过计算结果与实验数据的对比分析,验证了所使用计算方法的准确性。所提出的计算方法,可以快速并准确地获得涡轮叶片的三维温度场,对涡轮叶片冷却结构的设计和优化具有重要的工程应用价值。Through integrating the heat transfer flow application of air system,heat transfer application of turbine blade developed by Northwestern Polytechnical University and heat conduction calculation modules in Ansys12.0 commercial software,the coupling calculation between heat convection and solid heat conduction for inside and outside surface of turbine blades is realized,and the distribution of three-dimensional temperature field of turbine blades is obtained rapidly.Through comparing and analyzing the calculating results and experimental data,the accuracy of calculating method applied in it is verified.Moreover the method is applied to gain the 3D temperature field of the turbine blades rapidly and accurately,which has significant engineering application value in the designing and optimizing cooling structure of turbine blades.

关 键 词：涡轮叶片 外换热 空气系统 温度场 优化 

分 类 号：TH16[机械工程—机械制造及自动化] V235.13[航空宇航科学与技术—航空宇航推进理论与工程]