期刊
INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER
卷 126, 期 -, 页码 221-236出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijheatmasstransfer.2018.05.109
关键词
Nanofluid; Lid-driven cavity; Periodic heat; Inclination; Mixed convection; Wavelet-Homotopy analysis method
资金
- National Natural Science Foundation of China [11272209, 11432009]
The laminar mixed convection flow in an inclined lid-driven cavity filled with a nanofluid is investigated in the presence of internal heat generation. The two sidewalls of the enclosure are sinusoidally heated while the top and bottom walls are insulted. The Buongiorno's model that incorporates the effects of Brownian motion and thermophoresis is applied to describe the nanofluid behaviours. Parametrical studies are given on the regimes of the complex flow, temperature and concentration fields. The developed equations are nondimensionalized and then solved numerically by the newly developed wavelet-homotopy technique. Comparisons with previously studies in literature are presented and found to be in excellent agreement. The results of this work indicate that the Grashof number, the slipping parameters, the nanoparticles related parameters, the inclination, the boundary coefficients including amplitude ratios of temperature and concentration, as well as the phase deviation have significant effects on characteristics of the cavity flow. (C) 2018 Elsevier Ltd. All rights reserved.
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