RESEARCH PAPERS: Invited Review Paper

On the Wave Theory in Heat Conduction

[+] Author and Article Information
M. N. Özişik

Department of Mechanical and Aerospace Engineering, North Carolina State University, Raleigh, NC 27695

D. Y. Tzou

Department of Mechanical Engineering, The University of New Mexico, Albuquerque, NM 87131

J. Heat Transfer 116(3), 526-535 (Aug 01, 1994) (10 pages) doi:10.1115/1.2910903 History: Received October 01, 1993; Revised March 01, 1994; Online May 23, 2008


This work contains three major components: a thorough review on the research emphasizing engineering applications of the thermal wave theory, special features in thermal wave propagation, and the thermal wave model in relation to the microscopic two-step model. For the sake of convenience, the research works are classified according to their individual emphases. Special features in thermal wave propagation include the sharp wavefront and rate effects, the thermal shock phenomenon, the thermal resonance phenomenon, and reflections and refractions of thermal waves across a material interface. By employing the dual-phase-lag concept, we show that the energy equation may be reduced to that governing the heat transport through the metal lattice in the microscopic two-step model. The dual-phase-lag concept can thus capture the microscopic mechanisms in some limiting cases.

Copyright © 1994 by The American Society of Mechanical Engineers
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