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Article Dans Une Revue International Journal of Heat and Mass Transfer Année : 2019

Interface thermal behavior in nanomaterials by thermal grating relaxation

Résumé

We study the relaxation of a thermal grating in multilayer materials with interface thermal resistances. The analytical development allows for the numerical determination of this thermal property in Approach to Equilibrium Molecular Dynamics and suggests an experimental setup for its measurement. Possible non-diffusive effects at the nanoscale are take into consideration by a non-local formulation of the heat equation. As a case study, we numerically apply the present approach to silicon grain boundary thermal resistance.
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hal-02128371 , version 1 (12-07-2022)

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Pier Luca Palla, Sonia Zampa, Évelyne Martin, Fabrizio Cleri. Interface thermal behavior in nanomaterials by thermal grating relaxation. International Journal of Heat and Mass Transfer, 2019, 131, pp.932-943. ⟨10.1016/j.ijheatmasstransfer.2018.11.064⟩. ⟨hal-02128371⟩
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