Mathematical modeling of slip and magnetohydrodynamics effects in blade coating

被引:28
|
作者
Sajid, M. [1 ]
Shahzad, H. [1 ]
Mughees, M. [1 ]
Ali, N. [1 ]
机构
[1] Int Islamic Univ, Dept Math & Stat, Islamabad 44000, Pakistan
关键词
Blade coating; lubrication approximation; magnetohydrodynamics; slip effects; exact and numerical solution; STAGNATION-POINT FLOW; STRETCHING SHEET; BOUNDARY-CONDITION; 2ND-GRADE FLUID; HEAT-TRANSFER; MHD;
D O I
10.1177/8756087918777782
中图分类号
TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
A mathematical analysis for magnetohydrodynamics and slip effects is presented for blade coating onto a moving sheet of viscous fluid. An applied magnetic field is imposed normal to the flow and slip is considered at the web surface. The shooting method is applied to obtain the numerical solution of governing differential equations. Both numerical and exact solutions are utilized to describe the velocity profile, volumetric flow rate, pressure gradient, pressure and maximum pressure. How slip parameter and the Hartmann number influences properties is discussed through the graphical results. It is calculated that the presence of slip and applied magnetic field controls the sheet velocity in the blade coating process.
引用
收藏
页码:9 / 21
页数:13
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