流体机械

2011, v.39;No.473(11) 62-66+49

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自由活塞斯特林制冷机中静压气体轴承的探讨
Study on Aerostatic Bearing of Free Piston Stirling Cooler

王建中;陈曦;张华;
WANG Jian-zhong,CHEN Xi,ZHANG Hua(University of Shanghai for Science&Technology,Shanghai 200093,China)

摘要(Abstract):

现代长寿命特林制冷机几乎都采用间隙密封、直线电机驱动和柔性板弹簧支撑技术,特别是还采用静压气体轴承以弥补柔性板弹簧刚度不足的缺点,消除摩擦,提高其寿命。本文分析了长寿命自由活塞斯特林制冷机中静压气体轴承的结构和性能影响因素以及其对制冷机性能的影响,为以后的研究提供帮助。最后,提出了以后的研究方向和重点。
In order to eliminate friction,improve cooler′s life,modern long life Stirling coolers use clearance seals,linear motors and flexure bearing.Especially,some employ aerostatic bearings to offset the low stiffness of flexure bearings.The structure and the influencing factors on aerostatic bearings performance are analyzed in detail in long life FPSCs,and effect on Stirling cooler′s performance was also discussed,which provide helps for the later research.At last,the research direction and key of future are pointed out.

关键词(KeyWords): 静压气体轴承;刚度;长寿命;斯特林制冷机
aerostatic bearing;stiffness;long life;stirling cooler

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金资助项目(50906054);; 上海市教育委员会科研创新项目资助(10YZ96);; 教育部博士点基金资助(20093120120006)

作者(Authors): 王建中;陈曦;张华;
WANG Jian-zhong,CHEN Xi,ZHANG Hua(University of Shanghai for Science&Technology,Shanghai 200093,China)

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