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Understandings heat transfer across a solid/liquid interface is important todevelop new pathways to improve thermal management in various energyapplications. One of the important questions that arises in this context is theimpact of three-phase contact line between solid, liquid and gas on theperturbations of the heat fluxes at the nanoscale. Therefore, this paper isdevoted to the investigations of features of thermal transport across nanosizedmeniscus constrained between two solid walls. Different wetting states of themeniscus were considered with molecular dynamics approach by the variation ofthe interactional potential between atoms of the substrate and the liquid. Theeffect of the size of the meniscus on the exchange of energy between two solidwalls was also investigated. It was shown that the presence of a three phasecontact line leads to a decrease of the interfacial boundary resistance betweensolid and liquid. Further, investigations with the finite element method wereused to link atomistic simulations with the continuum mechanics. We demonstratethat the wetting angle and the interfacial boundary resistance are the requiredkey-parameters to perform multiscale simulations of such engineering problemswith an accurate microscale parametrization.

Molecular dynamics simulation of thermal transport across solid/liquid interface created by meniscus