Abstract

Majority of earlier examination regarding thermo-fluid ability of nanofluid was done on single-phase nanoparticles, based on them, graphene-based nanofluids had the heat transfer performance. The most important property of nanofluid which must be measured is thermal conductivity. Volumetric behaviour of nanofluid samples was obtained from experimental measurements of density as a function of nanoparticles weight fraction and temperature. Thermal conductivity of three different graphene-based nanofluids with various weight percentages are recorded in the range of 20°C–40°C. Density of functionalised graphene nanoplatelet (GNP) and its hybrid nanofluids has been examined from experimental measurements. Nanofluids at various weight fractions of functionalised GNP and its hybrid were experimentally investigated. Many research groups have focused on using nanofluid as a heat exchanger working fluid. Using nanofluids is a promising way to enhance the efficiency of the thermal systems. Nanocomposite weight concentration and temperature have great influence on the thermal conductivity and viscosity of the as prepared nanofluids.

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