A Study of High-Temperature Heat Pipes With Multiple Heat Sources and Sinks: Part I—Experimental Methodology and Frozen Startup Profiles

[+] Author and Article Information
A. Faghri, M. Buchko, Y. Cao

Department of Mechanical and Materials Engineering, Wright State University, Dayton, OH 45435

J. Heat Transfer 113(4), 1003-1009 (Nov 01, 1991) (7 pages) doi:10.1115/1.2911193 History: Received December 20, 1990; Revised June 04, 1991; Online May 23, 2008


A high-temperature sodium/stainless steel heat pipe with multiple heat sources and sinks was fabricated, processed, and tested. Experimental results from tests performed both under vacuum and in air are presented. The startup behavior of the heat pipe from the frozen state was investigated for various heat loads and input locations, with both low and high heat rejection rates at the condenser. No startup evaporator dryout failures were found, although the heat pipe was sonic-limited during startup in air.

Copyright © 1991 by The American Society of Mechanical Engineers
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