期刊
INTERNATIONAL JOURNAL OF THERMAL SCIENCES
卷 49, 期 2, 页码 243-247出版社
ELSEVIER FRANCE-EDITIONS SCIENTIFIQUES MEDICALES ELSEVIER
DOI: 10.1016/j.ijthermalsci.2009.07.015
关键词
Nanofluid; Brownian motion; Thermophoresis; Natural convection; Boundary layer; Vertical plate
The natural convective boundary-layer flow of a nanofluid past a vertical plate is studied analytically. The model used for the nanofluid incorporates the effects of Brownian motion and thermophoresis. A similarity solution is presented. This solution depends on a Lewis number Le, a buoyancy-ratio number Nr, a Brownian motion number Nb, and a thermophoresis number Nt. For various values of Pr and Le, the variation of the reduced Nusselt number with Nr, Nb and Nt is expressed by correlation formulas. It was found that the reduced Nusselt number is a decreasing function of each of Nr, Nb and Nt. (C) 2009 Elsevier Masson SAS. All rights reserved.
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