Theoretical and Experimental Investigation of 30 K Single Stage GM-Type Pulse Tube Cryocooler
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Desai, S.
Desai, K. P.
Naik, H. B.
Atrey, M. D.
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Abstract
Theoretical modeling of thermodynamic performance plays an important role in the design and development of pulse tube cryocoolers. In the present work, a thermodynamic model of a GMtype double-inlet pulse tube cryocooler has been developed. It includes calculation of ideal refrigeration power, various losses, and hence net refrigeration power. An experimental setup was designed and fabricated to carry out experimental investigations on the GM-type double-inlet pulse tube cryocooler. Experiments were conducted, and the results obtained were used for comparison with the isothermal model developed in the present work. The effect of orifice valve opening, double-inlet valve opening, and frequency on the performance of cryocooler was studied in terms of net refrigeration power and no-load temperature.
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2008-05
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