汽轮机排汽通道复杂流动数值研究的现状与进展  

Review and Prospect for Numerical Study on the Complicated Flow Field of Steam Turbine Exhaust Hood

作　　者：樊涛[1] 谢永慧[1] 

机构地区：[1]西安交通大学能源与动力工程学院,西安710049

出　　处：《热力透平》2007年第3期143-149,186,共8页Thermal Turbine

基　　金：国家863计划项目(2006AA04Z404)

摘　　要：通过对汽轮机排汽缸通道内三维复杂流动数值研究的分析和整理,综述了国内外排汽缸数值研究现状及进展,以期对此方面的研究及其工程应用起到促进作用。文中结合作者目前进行的汽轮机末级与排汽缸耦合数值模拟研究,对数值模型、求解方法、界面处理等关键问题进行了阐述和探讨,并提供了作者完成的基于末级与排汽缸耦合数值模拟的300MW和600MW汽轮机排汽缸的结构改进及参数优化。Through the numerical study on the complicated 3-D flow field of steam turbine exhaust hood, the status and progress at home and abroad on the numerical study is reviewed in detail and expected to promote the study on numerical study and project application. The numerical models, solution methods, interface handing and other key problems are discussed in detail. Meanwhile, based on the combined analysis, the optimal design for structure parameters of exhaust hood in 300MW and 600MW turbine are performed.

关 键 词：汽轮机 排汽缸 数值研究 耦合分析 

分 类 号：TK262[动力工程及工程热物理—动力机械及工程]