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Heat Transfer Research
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ISSN Print: 1064-2285
ISSN Online: 2162-6561

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Heat Transfer Research

DOI: 10.1615/HeatTransRes.v36.i8.40
pages 655-661

Account of the Finite Velocity of Heat Propagation in a Solid Body

Konstantyn B. Isaev
I. N. Frantsevich Institute of Problems of Material Sciences, National Academy of Sciences of Ukraine, Kiev, Ukraine

ABSTRACT

A solution of a one-dimensional hyperbolic nonlinear heat-conduction equation for a pseudo-steady-state mode of heating of a semi-bounded body is obtained within the framework of the relaxation heat flux model which allows for the finiteness of the velocity of heat propagation. The hyperbolic heat-conduction equation accounts for heat sinks (sources). The impact of some factors on the destruction parameters and the temperature field in materials, values of thermal conductivities of which differ by three orders, is demonstrated.


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