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Experimental investigation on mixed refrigerant cryocooler operating at 70 K for cooling high temperature superconductors

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, , Citation Narayanan Vineed and G Venkatarathnam 2017 IOP Conf. Ser.: Mater. Sci. Eng. 171 012073 DOI 10.1088/1757-899X/171/1/012073

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vineednarayanan@gmail.com

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1 Refrigeration and Air-conditioning Laboratory, Department of Mechanical Engineering, Indian Institute of Technology Madras, Chennai -600 036, India.

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1757-899X/171/1/012073

Abstract

The paper deals with a Mixed Refrigerant Cascade refrigerator operating at 70 K. A mixture of nitrogen, neon and hydrocarbons has been used as the refrigerant. A lowest temperature of 64 K was achieved on no load, 70 K at 2 watts and 75 K at 5 watts. The details of the study are presented in this paper.

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10.1088/1757-899X/171/1/012073