Affiliation:
1. Department of Industrial Engineering, University of Salerno, 84084 Fisciano, Italy
Abstract
We propose a theoretical model to study heat transfer at the nanoscale by means of high-order thermodynamic fluxes. The model is fully compatible with the model of heat transfer of extended irreversible thermodynamics, represents a generalization of the Guyer–Krumhansl proposal (Guyer & Krumhansl 1966
Phys. Rev.
148
) and is able to deal with relaxational and non-local effects. It also accounts for the role played by the different heat carriers (electrons and/or lattice vibrations) and captures different heat-carrier temperatures. The proposed model is hyperbolic and is used to investigate the propagation of thermal waves.
Funder
Università degli Studi di Salerno
Gruppo Nazionale per la Fisica Matematica
Subject
General Physics and Astronomy,General Engineering,General Mathematics
Reference52 articles.
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3. Beyond Equilibrium Thermodynamics
4. Extended Irreversible Thermodynamics
5. Ballistic-diffusive heat conduction at nanoscale: GENERIC approach
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