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Multileg Heat-Pipe EvaporatorParallel pipes provide high heat flow from small heat exchanger. Six parallel heat pipes extract heat from overlying heat exchanger, forming evaporator. Vapor channel in pipe contains wick that extends into screen tube in liquid channel. Rods in each channel hold wick and screen tube in place. Evaporator compact rather than extended and more compatible with existing heat-exchanger geometries. Prototype six-pipe evaporator only 0.3 m wide and 0.71 m long. With ammonia as working fluid, transports heat to finned condenser at rate of 1,200 W.
Document ID
19860000063
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Alario, J. P.
(Grumman Aerospace Corp.)
Haslett, R. A.
(Grumman Aerospace Corp.)
Date Acquired
August 12, 2013
Publication Date
June 1, 1986
Publication Information
Publication: NASA Tech Briefs
Volume: 10
Issue: 1
ISSN: 0145-319X
Subject Category
Machinery
Report/Patent Number
MSC-20812
Accession Number
86B10063
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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