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Nano Coolants for Automotive Applications :A Review

Gaurav Saxena, Poonam Soni


In recent decades nano coolant has come into play to overcome requirement of better heat transfer because of low thermal conductivity of conventional fluid such as water and ethylene glycol. In the continuation of nano fluids research, presently researchers have also used hybrid nano fluid, which are synthesized by suspending dissimilar nano particles either in mixture or composite form. This article is focused on the experimental and numerical studies carried out by previous researchers on metallic/non-metallic oxide nano coolant, which are segregated with different nano coolant as CuO, Al2O3, TiO2, and SiO2. The review focuses on suitable volumetric concentration, sizes of nano particles used by researchers and applications for analysis. This review will be useful for researchers and scholars working in the field of applications of nano technology for enhancement of heat transfer fluid. However, lots of researcher work is still needed in the field of preparation and stability, characterization and applications to overcome the challenges.


Keywords: Heat transfer enhancement, CuO, Al2O3, TiO2, SiO2 nano particle

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