A Brief Study on Nanofluid

Nanotechnology

A nanofluid is a fluid containing nanometer-sized particles, called nanoparticles. The nanoparticles used in nanofluids are typically made of metals, oxides, carbides, or carbon nanotubes. Common base fluids include water, ethylene glycol and oil.Nanofluid is prepared by suspending a small quantity of nanoparticles in base fluids such as water, ethylene glycol etc. with or without stabilization techniques. The average size of nanoparticles is below 100 nm.Experimental results reveal that the maximum and minimum density of the nanofluid is measured at 1058 kg/m3 at 25ºC temperature with 1.50% particle volume concentration and 1001 kg/m3 at 50ºC temperature with 0.25% nanoparticle volume concentration for CuO/PG + water nanofluid respectively. Nanofluids are primarily used for their enhanced thermal properties as coolants in heat transfer equipment such as heat exchangers, electronic cooling system(such as flat plate) and radiators.

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