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In this study, Copper-Polyaniline nanocomposite (Cu-PAni) has been synthesized by gamma radiolysis as a novel method and was confirmed by different analytical techniques such as Scanning Electron Microscope (SEM), Transmission Electron Microscope (TEM), X-ray powder diffraction (XRD).. The thermal conductivity of the nanofluids has been measured at different nanofluids volume fractions of 0.2%, 0.4%, 0.6%, 0.8% and 1.0%. The effect of nanofluid temperature on the nanofluid properties is measured in the range from 10C to 90C. The data gained discovered that the copper nanoparticle completely covered by a layer of polyaniline with different thickness and the particle size distributed around 21.42 nm. The thermal conductivity ratio of the Copper-Polyaniline nanocomposites water nanofluid increases 107% at nanofluid temperature of 10C and 159 % at 90C for a volume fraction of 1.0%. The Cu-PAni nanocomposite can be used as a potential material for thermal conductivity enhancement of water based nanofluid.

THERMOPHYSICAL PROPERTIES ENHANCEMENT FOR COPPERPOLYANILINE NANOFLUID SYNTHESIZED BY GAMMA RADIOLYSIS METHOD