The Magnetohydrodynamic Stagnation Point Flow of a Nanofluid over a Stretching/Shrinking Sheet with Suction

被引：60
|
作者：
Mansur, Syahira [1 ]
Ishak, Anuar [2 ]
Pop, Ioan [3 ]
机构：
[1] Univ Tun Hussein Onn Malaysia, Fac Sci Technol & Human Dev, Dept Math & Stat, Batu Pahat, Johor, Malaysia
[2] Univ Kebangsaan Malaysia, Fac Sci & Technol, Sch Math Sci, Ukm Bangi, Selangor, Malaysia
[3] Univ Babes Bolyai, Dept Math, R-3400 Cluj Napoca, Romania
来源：
PLOS ONE | 2015年 / 10卷 / 03期
关键词：
BOUNDARY-LAYER-FLOW; NON-NEWTONIAN NANOFLUID; HEAT-TRANSFER ANALYSIS; THERMAL-RADIATION; PERISTALTIC FLOW; POROUS-MEDIUM; VERTICAL PLATE; VISCOUS-FLOW; FLUID-FLOW; MHD;
D O I：
10.1371/journal.pone.0117733
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
The magnetohydrodynamic (MHD) stagnation point flow of a nanofluid over a permeable stretching/ shrinking sheet is studied. Numerical results are obtained using boundary value problem solver bvp4c in MATLAB for several values of parameters. The numerical results show that dual solutions exist for the shrinking case, while for the stretching case, the solution is unique. A stability analysis is performed to determine the stability of the dual solutions. For the stable solution, the skin friction is higher in the presence of magnetic field and increases when the suction effect is increased. It is also found that increasing the Brownian motion parameter and the thermophoresis parameter reduces the heat transfer rate at the surface.
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页数：14
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