Enhancement Performance of Automobile Radiator Using Nanofluid

MECHANICAL ENGINEERING

Conventionally, water and ethylene glycol are used in automobile car radiator as coolants. These coolants offer low thermal conductivity and therefore in the present work, thermal performance of the automobile radiator is carried out experimentally using convectional coolants and nanofluids. A critical literature review is carried out to understand various heat transfer properties of nanofluid. It is observed that thermal conductivity, viscosity depends strongly on concentration, particle size and temperature of nanofluid. There are many nanofluids which are used to improve thermal performance of car radiator. The objective of present study is to evaluate heat transfer performance of car radiator using Al2O3 nanofluid at different volume flow rate (4, 6, 8 l/min), different temperature (50, 60, 70, 80 °C) and at different concentration (0.25, 0.50, 0.75 w/w %). The same is compared with the base fluid.

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