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Thermal conductivity of nanofluid in nanochannels

Frank, Michael and Drikakis, Dimitris and Asproulis, Nikolaos (2015) Thermal conductivity of nanofluid in nanochannels. Microfluidics and Nanofluidics. ISSN 1613-4982

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Abstract

This paper concerns the behaviour of a copper–argon nanofluid confined in a nanochannel. Using molecular dynamics simulations, it is shown that in narrower channels, the thermal conductivity increases by approximately 20 % compared to macroscopic cases. The results suggest that the structured liquid layers surrounding the solid particles occupy a greater percentage of the system in narrower channels, thus enhancing the thermal conductivity of the nanofluid.