INVESTIGATE PERFORMANCE OF COOLING EFFECT ON AUTOMOBILE RADIATOR USING Cu – TiO2 NANOFLUID

Heat and Power Engineering

ABSTRACT The basic aim of the experiments conducted was to determine the thermal performance of automobile radiator under real operating conditions using two different nanofluids and their different concentration. The Effect of coolant rate, effect of type of nanomaterial and effect of nanomaterial concentration on performance of automobile radiator were studied experimentally. In present study automobile radiator is used constructed of aluminum and plastic. The radiator is having 33 vertical tubes connected at the ends. Each tube is joined by louvered fins. Length of each tube is 37 cm. major and minor diameter of each tube is 18 mm and 2.5 mm. The test was conducted by filling radiator with water, TiO2-water nanofluid and Cu-water nanofluid and combination of Cu- TiO2nanofluids. The nanoparticles used having average size <20 nm and disperse in water with 0.1wt%. Magnetic stirring, Ultra sonication and surfactant (0.01wt % SLS) technique is use to enhance stability of nanoparticle in water. The series of test are conducted by varying coolant rate, nanomaterial and nanofluid concentration. From result it is observed that nanofluid automobile radiator gives better performance than water. Also performance of automobile radiator is increases with increase in concentration of nanomaterial. Cu nanofluid gives better performance than TiO2 nanofluid.

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