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Numerical Investigation of Mixed Convection Heat Transfer of Nanofluid in a Lid Driven Square Cavity with Three Triangular Heating Blocks

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International Journal of Computer Applications
Foundation of Computer Science (FCS), NY, USA
Year of Publication: 2016
Authors:
Zoubair Boulahia, Abderrahim Wakif, Rachid Sehaqui
10.5120/ijca2016910227

Zoubair Boulahia, Abderrahim Wakif and Rachid Sehaqui. Numerical Investigation of Mixed Convection Heat Transfer of Nanofluid in a Lid Driven Square Cavity with Three Triangular Heating Blocks. International Journal of Computer Applications 143(6):37-45, June 2016. BibTeX

@article{10.5120/ijca2016910227,
	author = {Zoubair Boulahia and Abderrahim Wakif and Rachid Sehaqui},
	title = {Numerical Investigation of Mixed Convection Heat Transfer of Nanofluid in a Lid Driven Square Cavity with Three Triangular Heating Blocks},
	journal = {International Journal of Computer Applications},
	issue_date = {June 2016},
	volume = {143},
	number = {6},
	month = {Jun},
	year = {2016},
	issn = {0975-8887},
	pages = {37-45},
	numpages = {9},
	url = {http://www.ijcaonline.org/archives/volume143/number6/25083-2016910227},
	doi = {10.5120/ijca2016910227},
	publisher = {Foundation of Computer Science (FCS), NY, USA},
	address = {New York, USA}
}

Abstract

The present investigation addressed mixed convection heat transfer of nanofluid in a lid driven square cavity with three triangular heating blocks. Finite volume discretization method with SIMPLE algorithm is employed for solving the two-dimensional Navier-Stokes and energy balance equations. The method used is validated against previous works. Two cases were considered depending on the position of three triangular heating blocks. Effects of pertinent parameters such as; position of triangular heating blocks, the Richardson number (0.1≤ Ri ≤ 100), the Prandtl number of the pure water (Pr = 6.2) and the volume fraction of nanoparticles (0 ≤ φ ≤ 0.05) on the flow and Nusselt number are investigated. The results of this study illustrate that, by reducing Richardson number and increasing the volume fraction of nanoparticles, the average Nusselt number increases. It is also found that there is an optimal position of triangular heating blocks where the heat transfer rate is maximized.

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Keywords

Mixed convection, Lid driven, Cavity, Triangular block, Nanofluid.