Temperature Distribution in Rotating Thermosiphons Containing Two-Phase Helium in Nonisentropic Equilibrium

  • A. Hofmann
  • Ch. Schnapper
Part of the Advances in Cryogenic Engineering book series (ACRE, volume 23)


A key problem in cooling large-scale superconducting coils is to transfer heat from the periphery of a rotor to helium which is supplied and removed from the rotor near the axis of rotation. This paper considers one aspect of this natural convection heat transfer problem in radially arranged ducts, namely, the radial temperature distribution in rotating helium.


Heat Flow Heat Input Fluid Element Circumferential Velocity Entropy Production Rate 
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  1. 1.
    A. Hofmann and Ch. Schnapper, in: Advances in Cryogenic Engineering, Vol 23, Plenum Press, New York (1978), p. 146.Google Scholar
  2. 2.
    R. D. McCarty, J. Phys. Chem. Ref. Data 2: 923 (1973).CrossRefGoogle Scholar

Copyright information

© Plenum Press · New York and London 1978

Authors and Affiliations

  • A. Hofmann
    • 1
  • Ch. Schnapper
    • 1
  1. 1.Kernforschungszentrum KarlsruheKarlsruheGermany

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