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Numerical Analysis of Experimental Turbulent Forced Convection Heat Transfer for Nanofluid Flow in a Tube

K. V., Sharma and Azmi, W. H. and Kamal, Subhash and Suhaimi, Hasan (2016) Numerical Analysis of Experimental Turbulent Forced Convection Heat Transfer for Nanofluid Flow in a Tube. Applied Mechanics and Materials, 819. pp. 132-141. ISSN 1662-7482

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Abstract

A numerical model for determining the characteristics of flow and heat has been presented by modifying the eddy diffusivity equation of Sarma et al. The experimental data of thermo-physical properties determined using spherical particles in a wide range of concentration, particle size, materials and operating temperatures are available in the literature. The numerical analysis employed equations, which were developed using the experimental data of thermo-physical properties, friction factor and Nusselt number. Based on the agreement of the numerical results with the experimental data, the influence of concentration and temperature on the turbulent characteristics is presented. It is observed that SiO2 nanofluid attained higher velocity and lower eddy diffusivity compared to Cu nanofluid at a concentration. The temperature gradient increases with concentration and decreases with temperature.

Item Type: Article
Uncontrolled Keywords: Nanofluids; Thermo-physical properties, Turbulent flow in a tube; Eddy diffusivity equation; heat transfer coefficient; Friction factor
Subjects: T Technology > TJ Mechanical engineering and machinery
Faculty/Division: Faculty of Mechanical Engineering
Depositing User: Dr. Wan Azmi Wan Hamzah
Date Deposited: 17 Dec 2015 07:43
Last Modified: 24 Jan 2018 00:22
URI: http://umpir.ump.edu.my/id/eprint/11678
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