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ZJUS-A
Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering)  2009, Vol. 10 Issue (11): 1595-1600    DOI: 10.1631/jzus.A0820742
Mechanics and Mechanical Engineering     
Development of a linear compressor for two-stage pulse tube cryocoolers
Peng-da YAN, Wei-li GAO, Guo-bang CHEN
Institute of Refrigeration and Cryogenics, Zhejiang University, Hangzhou 310027, China
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Abstract  A valveless linear compressor was built up to drive a self-made two-stage pulse tube cryocooler. With a designed maximum swept volume of 60 cm3, the compressor can provide the cryocooler with a pressure volume (PV) power of 400 W. Preliminary measurements of the compressor indicated that both an efficiency of 35%~55% and a pressure ratio of 1.3~1.4 could be obtained. The two-stage pulse tube cryocooler driven by this compressor achieved the lowest temperature of 14.2 K.

Key words： Linear compressor      Linear motor      Pulse tube cryocooler     
Received: 23 October 2008     
CLC:  TB652  
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Peng-da YAN
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Peng-da YAN, Wei-li GAO, Guo-bang CHEN. Development of a linear compressor for two-stage pulse tube cryocoolers. Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering), 2009, 10(11): 1595-1600.

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http://www.zjujournals.com/xueshu/zjus-a/10.1631/jzus.A0820742     OR     http://www.zjujournals.com/xueshu/zjus-a/Y2009/V10/I11/1595

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