Heat pipe transient response approximation.

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A simple and concise routine that approximates the response of an alkali metal heat pipe to changes in evaporator heat transfer rate is described. This analytically based routine is compared with data from a cylindrical heat pipe with a crescent-annular wick that undergoes gradual (quasi-steady) transitions through the viscous and condenser boundary heat transfer limits. The sonic heat transfer limit can also be incorporated into this routine for heat pipes with more closely coupled condensers. The advantages and obvious limitations of this approach are discussed. For reference, a source code listing for the approximation appears at the end of this ... continued below

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6 p.

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Reid, R. S. (Robert Stowers) January 1, 2001.

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Description

A simple and concise routine that approximates the response of an alkali metal heat pipe to changes in evaporator heat transfer rate is described. This analytically based routine is compared with data from a cylindrical heat pipe with a crescent-annular wick that undergoes gradual (quasi-steady) transitions through the viscous and condenser boundary heat transfer limits. The sonic heat transfer limit can also be incorporated into this routine for heat pipes with more closely coupled condensers. The advantages and obvious limitations of this approach are discussed. For reference, a source code listing for the approximation appears at the end of this paper.

Physical Description

6 p.

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  • Submitted to: Space Technology Applications International Forum, Albuquerque, NM, February 2002

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  • Report No.: LA-UR-01-5895
  • Grant Number: none
  • Office of Scientific & Technical Information Report Number: 975836
  • Archival Resource Key: ark:/67531/metadc926852

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Office of Scientific & Technical Information Technical Reports

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  • January 1, 2001

Added to The UNT Digital Library

  • Nov. 13, 2016, 7:26 p.m.

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  • Dec. 12, 2016, 6:32 p.m.

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Reid, R. S. (Robert Stowers). Heat pipe transient response approximation., article, January 1, 2001; United States. (digital.library.unt.edu/ark:/67531/metadc926852/: accessed December 11, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.