نتایج جستجو برای: hartmann electric number
تعداد نتایج: 1299769 فیلتر نتایج به سال:
In this paper we propose a development of the finite difference method, called the tailored finite point method, for solving steady magnetohydrodynamic (MHD) duct flow problemswith a high Hartmann number. When the Hartmann number is large, the MHD duct flow is convection-dominated and thus its solution may exhibit localized phenomena such as the boundary layer. Most conventional numerical metho...
Fast charging stations are one of the most important section in smart grids with high penetration of electric vehicles. One of the important issues in fast chargers is choosing the proper method for charging. In this paper, by defining an optimization problem with the objective of reducing the charging time, the optimal charging levels are obtained using a multi-stage current method using a gen...
The influence of the Hall effect on the linear marginal stability of a molecular hydrodynamic Taylor-Couette flow in the presence of an axial uniform magnetic field is considered. The Hall effect leads to the situation that the Taylor-Couette flow becomes unstable for any ratio of the angular velocities of the inner and outer cylinders. The instability, however, does not exist for both signs of...
The purpose of this research is to study the problem mixed convection stagnation-point flow on a vertical stretching sheet with external magnetic field, effect radiation taken into account. partial differential equations are reduced ordinary using similarity transformation. transformed boundary layer then solved numerically via bvp4c in MATLAB software. effects different values parameter and Ha...
The effect of chemical reaction on an unsteady magneto hydrodynamic flow past an infinite vertical porous plate with variable suction and heat convective mass transfer, where the plate temperature oscillates with the same frequency as that of variable suction velocity. The non – linear partial differential equations governing the flow have been solved numerically using finite difference method....
The involvement of non-linear convection effects in a natural convective fluid flow and heat transfer along with the magnetic field porous cavity is studied numerically. Cu-water filled higher temperature at left wall lower right wall. governing equations are organized to achieve required by using two-dimensional energy, continuity momentum. Vorticity-stream function based dimensionless solved ...
Douglas Hartmann, Alex Manning, and Kyle Green on the social significance of global sport.
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