Abstract
ABSTRACT Laser short-pulse heating of a two-layer assembly consisting of gold–silver is considered. In the assembly, a gold layer of 3.24 × 10−8 m thickness is situated on top of a silver layer. Electron kinetic theory approach is introduced when predicting electron and lattice site temperature distributions. Seebeck coefficient is predicted and compared with values obtained from the previous formulation. Entropy generation in the electron subsystem is formulated and the Seebeck coefficient is accommodated to account for the thermoelectric effect. It is found that lattice site and electron temperature profiles decay smoothly across the gold–silver interface. The Seebeck coefficient follows electron temperature profiles and its predicted values agree well with the results obtained from the previous formulation. Entropy generation attains high values in the surface region because of the high flux term (J Q ) in this region. Entropy contribution due to Seebeck effect is smaller than that corresponding to energy flow in the electron subsystem.
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