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Molecular dynamics study of thermal resistance of solid-liquid interface in contact with single layer of nanoparticles

机译：与纳米颗粒单层接触的固液界面热阻的分子动力学研究

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Highlights•Thermal resistance of a solid-liquid interface in contact with a single layer of nanoparticles.•A layer of hydrophilic nanoparticles were able to decrease the solid-liquid ITR.•Nanoparticles were able to extract and store heat from the solid wall, which decreased the ITR.AbstractIn a nanoscale system, thermal resistance at a solid-liquid interface can be considerable. Nanoparticle deposition on the solid-liquid interface is able to influence the solid-liquid interfacial thermal resistance (ITR). The influence of the nanoparticle layer on the thermal resistance can be critical, for an example, in a heat transfer of nanoparticle suspension fluids. In the present study, by means of non-equilibrium classical molecular dynamics (MD) method, we numerically investigated changes in the solid-liquid ITR, liquid density near the interface, heat flux components through single layer of carbon nanoparticles. Under the present conditions, the carbon nanoparticle layers on the solid-liquid interface influenced the liquid density and the heat transport near the solid-liquid interface, and the ITR. The ITR decreased, as the liquid density in the nanoparticle layer increased. The change in the liquid density near the solid-liquid interface was one of significant factors that affected the ITR. When the nanoparticle layer significantly decreased the ITR, the energy transport from the wall to the nanoparticles was enhanced, and the energy transfer inside the nanoparticles increased. Therefore, the nanoparticles were able to extract and store the thermal energy from the solid wall, which decreased the ITR.
机译： 突出显示 • 与单层纳米颗粒接触的固液界面的热阻。 • 一层亲水性纳米颗粒能够减少固液ITR。 • 纳米颗粒能够从固体壁中提取和储存热量，从而降低了ITR。 < / ce：simple-para> 摘要

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