The Effects of Propellant Leakage on the Heat Transfer to a Cryogenic Propellant Tank Utilizing High-Performance Multilayer Insulations

  • T. C. Nast
  • W. S. Williams
Conference paper
Part of the Advances in Cryogenic Engineering book series (ACRE, volume 12)


Long-term storage of cryogenic propellants in space requires an insulation system utilizing multiple radiation shields (multilayer insulations). The heat flow through this type of insulation is critically dependent upon the gas pressure within the insulation. Laboratory investigations indicate that gas pressures exceeding 10-5 torr can significantly increase the heat transfer through these insulations. Propellant leakage from a tank, if present in sufficient quantities, can increase the heat transfer through the insulation many times.


Test Tank Insulation System Heat Leak Leakage Path Multilayer Insulation 
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  1. 1.
    J. W. Anderson and C. F. Merlet, “Thermal-Mechanical Environmental Experiments on Flight Types of Insulation Systems for Space Cryogenic Storage Tanks,” Chem. Eng. Progr. Symp. Ser. 62:193(1966).Google Scholar
  2. 2.
    T. C. Nast and R. M. Coston, “Investigation of the Gas Flow Within Multilayer Insulations and Its Effect on Cryogenic Space Vehicle Design,” Chem. Eng. Progr. Symp. Ser. 62:184 (1966).Google Scholar

Copyright information

© Springer Science+Business Media New York 1967

Authors and Affiliations

  • T. C. Nast
    • 1
  • W. S. Williams
    • 1
  1. 1.Lockheed Missiles & Space CompanySunnyvaleUSA

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