JP Journal of Heat and Mass Transfer
Volume 6, Issue 2, Pages 149 - 159
(June 2012)
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TRANSIENT THERMAL BEHAVIOR OF A THIN SLAB UNDER THE EFFECT OF DUAL-PHASE-LAG CONDUCTION MODEL
S. E. Al-Lubani
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Abstract: The transient thermal behavior under the effect of the dual-phase-lag heat conduction model using Laplace transformation technique is investigated semi-analytically. The heat transfer mechanism during rapid heating of the slab from a macroscopic point of view using the dual-phase-lag heat conduction model is studied. The slab consists of thin metal layer. The effects of the phase-lag in heat flux vector and temperature gradient on the thermal behavior of the slab are investigated. It is clear that all the three models (Fourier, hyperbolic, and dual-phase-lag) give almost the same predictions since the values of tq and tT. |
Keywords and phrases: conduction, dual-phase-lag heat conduction, thermal behavior, thin layer. |
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