Journal
INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER
Volume 80, Issue -, Pages 159-162Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijheatmasstransfer.2014.09.001
Keywords
Cryogenic thermosyphon; Thermal conductivity; Thermal resistance; Nitrogen fluid; Heat transfer
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Funding
- Ministry of Education and Science of the Russian Federation [11.G34.31.0049]
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The heat transfer characteristics of a two-phase closed tubular cryogenic thermosyphon filled with nitrogen fluid have been investigated. The thermosyphon consists of a 1.1 cm inside diameter, 5 m long copper tube coated with,a few layers of the high-vacuum superinsulation and enclosed into a vacuum jacket. A free-boiling liquid nitrogen pool has been used as a cooling machine. The system is compact, free from mechanical vibrations, and can provide thermal stabilization of remotely located devices in the temperature range of 80-120 K with the heat transfer limit up to 100W. (C) 2014 Elsevier Ltd. All rights reserved.
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