Journal of Statistical Physics

, Volume 28, Issue 3, pp 603–606 | Cite as

The ellipsoid paradox in thermodynamics

  • W. T. Welford
  • R. Winston


A resolution of the “ellipsoid paradox in thermodynamics” is proposed based on elementary geometrical optics.

Key words

Thermodynamics geometrical optics radiative transfer 


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    C. D. Boley and M. O. Sculley,J. Stat. Phys. 24:159–174 (1981).Google Scholar
  2. 2.
    R. J. E. Clausius,Pogg. Ann. 121:1 (1864).Google Scholar
  3. 3.
    W. T. Welford and R. Winston,The Optics of Nonimaging Concentrators (Academic Press, New York, 1978).Google Scholar

Copyright information

© Plenum Publishing Corporation 1982

Authors and Affiliations

  • W. T. Welford
    • 1
  • R. Winston
    • 2
  1. 1.Blackett LaboratoryImperial CollegeLondonEngland
  2. 2.The Enrico Fermi InstituteThe University of ChicagoChicago

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