Hyperbolic heat conduction with variable relaxation time
Hyperbolic heat conduction with variable relaxation time
Summary: There are several competing phenomenological models for the propagation of heat pulses. The semi-empirical heat conduction model uses the internal variable approach. It was previously shown that this model is in accordance with observed behaviour. The aim of the present paper is to choose material functions in such a way to obtain good quantitative agreement with experimental data over the whole admissible temperature range. New approximations of experimental data are introduced and discussed together with the Clausius-Duhem inequality. The new model is verified by numerical results.
- University of Basilicata Italy
material functions, experimental data, Heat and mass transfer, heat flow, propagation of heat pulses, Thermodynamics in solid mechanics, Clausius-Duhem inequality
material functions, experimental data, Heat and mass transfer, heat flow, propagation of heat pulses, Thermodynamics in solid mechanics, Clausius-Duhem inequality
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