| Civil and Mechanical Engineering |
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| Study on a 5.0 W/80 K single stage Stirling type pulse tube cryocooler |
| Zhi-hua GAN, Guo-jun LIU, Ying-zhe WU, Qiang CAO, Li-min QIU, Guo-bang CHEN, J.M. PFOTENHAUER |
| Cryogenics Laboratory, Institute of Refrigeration and Cryogenics, School of Mechanical and Energy Engineering, Zhejiang University, Hanghzou 310027, China; Cryogenic Engineering Laboratory, University of Wisconsin-Madison, Madison WI 53706, USA |
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Abstract A single stage Stirling pulse tube cryocooler was designed based on REGEN 3.2 and fabricated for testing. The experimental results show that the cooler can provide a cooling capacity of 5.0 W at 79.1 K, and produce a no-load temperature of 57.0 K, operating with an average pressure of 2.50 MPa and a frequency of 60 Hz, performance results that are very close to the calculated values. The cryocooler can be cooled from room temperature to 80 K in 8.5 min. The fast cooldown time is a result of the small regenerator.
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Received: 25 March 2007
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