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Residual Gas Conduction Near Liquid-Helium Temperatures

  • F. W. PirtleIII
  • W. B. Cottingham
Part of the Advances in Cryogenic Engineering book series (ACRE, volume 16)

Abstract

The necessity of being able to measure thermal conduction in low-density gases experimentally is becoming very evident in space and cryogenic hardware. In these application areas, residual or low-density gas conduction often becomes the major mode of energy transfer in thermal insulation. An experimental study was therefore undertaken to examine thermal conduction in the type of environments common to cryogenic hardware. This meant devising an apparatus for measuring residual gas conduction between surfaces of finite size at temperatures near the normal boiling point of liquid helium. The following discussion is concerned with the details of the apparatus for this new method of residual-gas-conduction measurement.

Keywords

Superconducting Transition Temperature Outer Cylinder Metal Foil Normal Boiling Point Secondary Coil 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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References

  1. 1.
    F. W. Pirtle, III, Ph.D. Dissertation, Purdue University, Lafayette, Ind., (1969).Google Scholar

Copyright information

© Springer Science+Business Media New York 1971

Authors and Affiliations

  • F. W. PirtleIII
    • 1
  • W. B. Cottingham
    • 1
  1. 1.Purdue UniversityLafayetteUSA

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