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Journal of Zhejiang University SCIENCE A

ISSN 1673-565X(Print), 1862-1775(Online), Monthly

2009 Vol.10 No.11 P.1595-1600

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

pengda_yan@zju.edu.cn

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


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DOI:

10.1631/jzus.A0820742

CLC number:

TB652

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Received:

2008-10-23

Revision Accepted:

2009-03-09

Crosschecked:

2009-09-09

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