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Numerical Study on Turbulent Forced Convective Heat Transfer Using Nanofluids TiO2 in an Automotive Cooling System

Adnan M., Husein and Dawood, H. K. and R. A., Bakar and K., Kadirgama (2017) Numerical Study on Turbulent Forced Convective Heat Transfer Using Nanofluids TiO2 in an Automotive Cooling System. Case Studies in Thermal Engineering, 9. pp. 72-78. ISSN 2214-157X

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Abstract

The limited thermal properties of liquids have led to the addition of solid nanoparticles to liquids in many industrial applications. In this paper, the friction factor and forced convection heat transfer of TiO2 nanoparticles dispersed in water in a car radiator was numerically determined. Four different nanofluid volume concentrations (1%, 2%, 3% and 4%) were used, and the resulting thermal properties were evaluated. The Reynolds number and inlet temperature ranged from 10000 to 100000 and from 60 to 90 °C, respectively. The results showed that the friction factor decreases as the Reynolds number increases and increases as the volume concentration increases. Additionally, the Nusselt number increases as the Reynolds number and volume concentration of the nanofluid increases. The TiO2 nanofluid at low concentrations can enhance the heat transfer efficiency up to 20% compared with that of pure water. There was good agreement among the CFD analysis and experimental data available in the literature.

Item Type: Article
Uncontrolled Keywords: Nanofluid; Friction factor; Nusselt number; Turbulent convective heat transfer; Car radiator
Subjects: T Technology > TJ Mechanical engineering and machinery
Faculty/Division: Faculty of Mechanical Engineering
Depositing User: Mrs. Neng Sury Sulaiman
Date Deposited: 13 Jul 2017 04:43
Last Modified: 24 Jan 2018 07:33
URI: http://umpir.ump.edu.my/id/eprint/17102
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