Published in: ماهنامه بین المللی مهندسی، دوره: 33، شماره: 1
COI code: JR_IJE-33-1_018
Paper Language: English
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Authors A Characteristic-based Numerical Simulation of Water-titanium Dioxide Nano-fluid in Closed DomainsTohid Adibi - Department of Mechanical Engineering, University of Bonab, Bonab, Iran
Seyed Esmaeil Razavi - School of Mechanical Engineering, University of Tabriz, Tabriz, Iran
Omid Adibi - School of Mechanical Engineering, Sharif University of Technology, Tehran, Iran
Abstract:A new characteristic-based method is developed and used for solving the mixed and forced convection problems. The nano-fluid flow with heat transfer is simulated with a novel characteristic-based scheme in closed domains with different aspect ratios. For this purpose, a FORTRAN code has been written and developed. Water as a pure fluid and water-titanium dioxide as a nano-fluid were considered. The governing equations are solved by the finite volume utilizing a characteristic-based scheme for the convective fluxes. The simulation is done at Grashof numbers from 100 to 104, Reynolds numbers from 100 to 1000, and volume fractions of nano-particles from 0% to 10%. Streamlines, isotherms, friction factor, and mean Nusselt number are obtained in various conditions. The convective behavior of nano-fluid is explored as a function of several parameters, such as Grashof number and geometrical parameters. Results indicate that the mean Nusselt number for the nanofluid is up to 23% more than that of pure water.
Keywords:Titanium dioxide, nano-fluid, Nusselt Number, friction factor, Numerical method
COI code: JR_IJE-33-1_018
how to cite to this paper:If you want to refer to this article in your research, you can easily use the following in the resources and references section:
Adibi, Tohid; Seyed Esmaeil Razavi & Omid Adibi, 2020, A Characteristic-based Numerical Simulation of Water-titanium Dioxide Nano-fluid in Closed Domains, International Journal of Engineering (IJE) 33 (1), https://www.civilica.com/Paper-JR_IJE-JR_IJE-33-1_018.htmlInside the text, wherever referred to or an achievement of this article is mentioned, after mentioning the article, inside the parental, the following specifications are written.
First Time: (Adibi, Tohid; Seyed Esmaeil Razavi & Omid Adibi, 2020)
Second and more: (Adibi; Razavi & Adibi, 2020)
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