期刊
CASE STUDIES IN THERMAL ENGINEERING
卷 25, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.csite.2021.100898
关键词
Solar energy; Nanofluid; Brownian motion; Magneto hydrodynamic flow (MHD); Differential quadrature method (DQM)
This study investigates the influences of solar radiation on two-dimensional stagnation point flow of nanofluid over a stretching sheet, considering the effect of magnetic field and thermal radiation. Numerical results demonstrate the method's accuracy, convergence, and potential. It is found that temperature and thermal boundary layer thickness are increasing functions of Biot number, and that higher Brownian motion parameter values result in greater temperature values and thicker thermal boundary layer.
The aim of this study is investigation of solar radiation influences on two-dimensional stagnationpoint flow of nanofluid over a stretching sheet. The magnetic field is considered and the nonlinear Rosseland approximation is applied for thermal radiation in current work. The governing equations are transformed into a system of coupled nonlinear ordinary differential equations using similarity transformations which are solved numerically by means of the efficient differential quadrature method (DQM). The numerical results show the superb accuracy, good convergence with little computational efforts and the great potential of this method. Also, it is found that the temperature and thermal boundary layer thickness are increasing functions of Biot number. The findings narrate that increasing values of Brownian motion parameter make greater temperature values on the profile and thicker thermal boundary layer.
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