Molecular dynamics technique
Submicron-scale thermics - Nanoscale heat conduction

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BE8291 V1 Article

Molecular dynamics technique


Submicron-scale thermics - Nanoscale heat conduction

Authors : Sebastian VOLZ, Patrice CHANTRENNE

Publication date: April 10, 2002 | Lire en français

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1. Molecular dynamics technique

1.1 Physical description level

To understand the heat transfer mechanisms at the space-time scales mentioned in the introduction, we need to take into account the appropriate level of physical description.

In thermal engineering, benchmarks such as the length and time of heat diffusion, deduced from the thermal diffusivity coefficient, are the basis for the analysis of conduction phenomena. The mean free path Λ and the mean free path time of energy carriers τ, quantities that appear in the kinetic expression of thermal conductivity λ : λ=13ρcVvΛ

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