Shear-driven heat flow in absence of a temperature gradient

R. Nettleton ()

The European Physical Journal B: Condensed Matter and Complex Systems, 1999, vol. 11, issue 2, 287-292

Abstract: Jaynesian statistical inference is used to predict that steady, non-uniform Couette flow in a simple liquid will generate a heat flux proportional to the gradient of the square of the strain-rate when the temperature gradient is negligible. The heat flux is divided into phonon and self-diffusion components, with the latter coupling to the elastic strain and inelastic strain-rate. Operators for all these are substituted into the information-theoretic phase-space distribution. By taking moments of an exact equation for this distribution derived by Robertson, one obtains an evolution equation for the self-diffusion component of the heat flux which, in a steady state, predicts shear-driven heat flow. Copyright Società Italiana di Fisica, Springer-Verlag 1999

Keywords: PACS. 05.60.-k Transport processes; 05.70.Ln Nonequilibrium and irreversible thermodynamics; 66.60.+a Thermal conduction in nonmetallic liquids (search for similar items in EconPapers)
Date: 1999
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DOI: 10.1007/BF03219170

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