In a recent paper the authors proved that the dispersion relation of heat waves along nanowires could allow one to illustrate the difference between different definitions of non-equilibrium temperature. It turns out that, from the practical perspective, one is led to the same conclusions by using both the absolute non-equilibrium temperature and a dynamical non-equilibrium temperature. Starting from these results, in the present paper the propagation of heat waves in core-shell nanowires is analyzed by using the concept of absolute non-equilibrium temperature. It is shown how the wave speed depends on the properties of both media and on their mutual interaction. Some useful information about the system is presented.

Propagation of temperature waves along core-shell nanowires

CIMMELLI, Vito Antonio;
2010-01-01

Abstract

In a recent paper the authors proved that the dispersion relation of heat waves along nanowires could allow one to illustrate the difference between different definitions of non-equilibrium temperature. It turns out that, from the practical perspective, one is led to the same conclusions by using both the absolute non-equilibrium temperature and a dynamical non-equilibrium temperature. Starting from these results, in the present paper the propagation of heat waves in core-shell nanowires is analyzed by using the concept of absolute non-equilibrium temperature. It is shown how the wave speed depends on the properties of both media and on their mutual interaction. Some useful information about the system is presented.
2010
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11563/3187
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