Molecular dynamics simulations are used to simulate the thermal properties ofa model fluid containing nanoparticles (nanofluid). By modelling transientabsorption experiments, we show that they provide a reliable determination ofinterfacial resistance between the particle and the fluid. The flexibility ofmolecular simulation allows us to consider separately the effect ofconfinement, particle mass and Brownian motion on the thermal transfer betweenfluid and particle. Finally, we show that in the absence of collective effects,the heat conductivity of the nanofluid is well described by the classicalMaxwell Garnet equation model.
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