RESEARCH PAPERS: Other Technical Papers

Investigation of Pulse Tube Refrigerator

[+] Author and Article Information
K. G. Narayankhedkar, V. D. Mane

Department of Mechanical Engineering, Indian Institute of Technology, Bombay, India

J. Eng. Ind 95(1), 373-378 (Feb 01, 1973) (6 pages) doi:10.1115/1.3438139 History: Received June 28, 1972; Online July 15, 2010


This paper reports a theoretical analysis and experimental investigation of pulse tube refrigerator. A concept of steps is introduced for the derivation of cold end temperature with zero heat pumping rate (Tco ). This relation indicates that Tco depends not only on the length ratio, hot end temperature, and ratio of specific heats of gas used, but also on the pressure ratio employed. An empirical relation for heat pumping rate is also suggested. Experimental investigation indicates that there exists an optimum hot end length and that the optimum speed decreases with increase in the total length of pulse tube.

Copyright © 1973 by ASME
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