不同隔板汽封的泄漏特性比较  

Comparison of Leakage Characteristics of Steam Seal with Different Separator

作　　者：关丽[1] 张绪祥[2] 

机构地区：[1]武汉工程大学机电工程学院,湖北武汉430074 [2]武汉职业技术学院机电工程学院,湖北武汉430074

出　　处：《机械研究与应用》2016年第2期120-122,共3页Mechanical Research & Application

摘　　要：以某中小型汽轮机的两种隔板汽封系统为研究对象,通过对其汽封流场进行数值模拟,比较了多种工况下不同汽封的泄漏性能和结构特点,分析了这两组汽封的优缺点,为中小型隔板汽封的优化设计提供了参考。With a small steam turbine two diaphragm gland seal system as the research object, through the numerical simula-tion of the steam seal flow field, different steam seal leakage performance and structural characteristics are compared under va-rious conditions, the advantages and disadvantages of the two sets of steam seal are analyzed, which provide reference for opti-mization design of small and medium clapboard steam seal.

关 键 词：汽封 泄漏 间隙 数值模拟 

分 类 号：TK26[动力工程及工程热物理—动力机械及工程]