低温氦透平膨胀机的研究进展  

The Research Development of Cryogenic Helium Turboexpander

作　　者：朱朝辉[1] 姚艳霞[1] 杨金焕[1] 熊联友[1] 侯予[1] 陈纯正[1] 

机构地区：[1]西安交通大学制冷与低温工程系,陕西西安710049

出　　处：《低温与特气》2003年第1期1-6,共6页Low Temperature and Specialty Gases

摘　　要：对低温氦透平膨胀机的近期研究进展进行了介绍,特别指出了动压气体轴承在透平膨胀机中的应用现状与前景。The recent research progress about cryogenic helium turboexpander has been introduced in this paper.Especially,the application status and prospect of the aerodynamic gas bearing in turboexpander was also indicated.

关 键 词：低温氦透平膨胀机 气液两相氦透平膨胀机 动压气体轴承 微型制冷机 膨胀比 

分 类 号：TB651[一般工业技术—制冷工程]