HEAT CONDUCTION AT LOW TEMPERATURE: A NON-LINEAR GENERALIZATION OF THE GUYER-KRUMHANSL EQUATION

Authors

  • G. Lebon
  • D. Jou
  • José CAS AS-VAZQCEZ
  • W. Muschik

Abstract

A general non-linear and non-local heat transport equation is proposed in view to study heat conduction at low temperature (<25 K) in non-metallic crystals. It is shown that the proposed relation generalizes the classical laws of Guyer and Krumhansl, Cattaneo and Fourier. The problem is treated within the framework of Extended Irreversible Thermodynamics. Special emphasis is placed on the consistency of the results with the second law of thermodynamics,

Keywords:

heat conduction. low temperature, extended irre\'ersible thermodynamics.

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How to Cite

Lebon, G., Jou, D., CAS AS-VAZQCEZ, J., Muschik, W. “HEAT CONDUCTION AT LOW TEMPERATURE: A NON-LINEAR GENERALIZATION OF THE GUYER-KRUMHANSL EQUATION ”, Periodica Polytechnica Chemical Engineering, 41(2), pp. 185–196, 1997.

Issue

Vol. 41 No. 2 (1997)

Section

Articles