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Proceedings of Symposium on Energy Engineering in the 21<sup>st</sup> Century (SEE2000) Volume I-IV

ISSN:
1-56700-132-7 (Print)

DISPLACEMENT OF GAS IN PULSE TUBE OF PRT

Qing Li
Cryogenic Laboratory, Huazhong University of Science and Technology Wuhan 430074 P. R. China

Yurong Feng
Cryogenic Laboratory, Huazhong University of Science and Technology Wuhan 430074 P. R. China

Fangzhong Guo
Cryogenic Laboratory, Huazhong University of Science and Technology Wuhan 430074 P. R. China

Abstract

The role of pulse tube in PTR system is twofold, namely the thermodynamic and the dynamic aspects. The thermodynamic aspect determines the refrigeration mechanism of pulse tube, which in turn exerts dynamic influence on PTR system. The method proposed by Dr. de Boer has been developed to investigate the displacement of gas in pulse tube of a PTR system. The computational result and the discussion on it are presented here.