Abstract:We deal with unsteady ballistic heat transport in a semi-infinite Hooke chain with free end caused by instantaneous heat pulse. An analytical description of the evolution of the kinetic temperature is proposed in both discrete and continuum formulations in the frameworks of the lattice dynamics approach. We show analytically a property of thermal wave to reflect from the free end. Continuum description of the transient processes, caused by this reflection, has restrictions. In particular, the kinetic temperatu… Show more
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