期刊
JOURNAL OF ENGINEERING MATHEMATICS
卷 80, 期 1, 页码 147-164出版社
SPRINGER
DOI: 10.1007/s10665-012-9598-1
关键词
Brownian motion; Critical Rayleigh number; Galerkin method; Nanofluid; Thermal instability; Thermophoresis
资金
- Ministry of Human Resource Development (MHRD) of India
The combined effect of a vertical magnetic field and the boundaries on the onset of convection in an electrically conducting nanofluid layer heated from below is investigated using linear stability theory. The employed model incorporates the effects of Brownian motion and thermophoresis. The boundaries are considered to be either rigid or free. The eigenvalue problem is solved analytically for free-free boundaries and numerically for rigid-rigid and lower-rigid and upper-free boundaries using the Galerkin technique. Numerical results are presented for alumina-water nanofluid.
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