STUDY OF PHONON HEAT TRANSFER IN METALLIC SOLIDS FROM MOLECULAR DYNAMIC SIMULATIONS
作者： Chantrenne , Raynaud , Barrat
DOI: 10.1080/10893950390203314
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摘要: Heat transfer in solids is analyzed order to show that the total phonon thermal conductivity metal can be estimated from knowledge of phonon-phonon interactions. Nonequilibrium molecular dynamics (NEMD) used simulate heat due interactions an aluminum slab. The influence many simulation parameters on slab conductance studied. calculated for different thicknesses (from 2–20 nm). curve extrapolated infinite thickness estimate bulk value To decrease uncertainty extrapolation, radiative equation (PRTE) solved 1D a extinction coefficient phonons by comparing obtained NEMD and PRTE. It then possible calculate mean free path, conduc...
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