Theoretical Investigation of Heat Pipes Operating at Low Vapor Pressures

[+] Author and Article Information
E. K. Levy

Mechanical Engineering Department, Lehigh University, Bethlehem, Pa.

J. Eng. Ind 90(4), 547-552 (Nov 01, 1968) (6 pages) doi:10.1115/1.3604687 History: Received March 15, 1968; Online August 25, 2011


A one-dimensional analysis of a compressible vapor flowing within the evaporator section of a heat pipe is presented. Comparisons between the theoretical results and existing heat pipe data show that the presence of gasdynamic choking can limit the heat transfer capacity of a heat pipe operating at sufficiently low vapor pressures.

Copyright © 1968 by ASME
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