Development of Cryogenic Heat Pipes

[+] Author and Article Information
Philip E. Eggers, Aleck W. Serkiz

Battelle Memorial Institute, Columbus Laboratories, Columbus, Ohio

J. Eng. Power 93(2), 279-286 (Apr 01, 1971) (8 pages) doi:10.1115/1.3445564 History: Received August 06, 1970; Online July 14, 2010


The operation of a LN2 cryogenic heat pipe has been demonstrated experimentally in the range 78 K to 90 K. This heat pipe involves a totally new wick concept, viz., the “parallel capillary channel” wick, which affords a heat flux capability an order of magnitude higher than possible with the more conventional heat pipe wick structures. The experimental measurements were performed utilizing specially designed cryogenic heat pipe evaluation equipment which permitted heat flux measurements accurate to within 8 percent. The design and optimization of the cryogenic heat pipe is discussed including a description of the BCL generalized heat pipe computer program. A comparison of experimental data with analytical predictions is also provided.

Copyright © 1971 by ASME
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