نتایج جستجو برای: dimensional flow induced magnetic field
تعداد نتایج: 2670457 فیلتر نتایج به سال:
In this paper a closed form solution for one-dimensional magnetothermoelastic problem in a functionally graded material (FGM) hollow sphere placed in a uniform magnetic field and temperature field subjected to an internal pressure is obtained using the theory of magnetothermoelasticity. Hyper-geometric functions are employed to solve the governing equation. The material properties through the g...
A self-similar model for one-dimensional unsteady isothermal and adiabatic flows behind a strong exponential shock wave driven out by a cylindrical piston moving with time according to an exponential law in an ideal gas in the presence of azimuthal magnetic field and variable density is discussed in a rotating atmosphere. The ambient medium is assumed to possess radial, axial and azimuthal comp...
In this paper we have developed a model for two dimensional motion of a steady MHD flow through circular pipe which is bounded by a porous medium in presence of applied magnetic field. We have considered Brinkman equation for the flow through porous media using approximate boundary conditions the governing equation have been solved and solution for velocity in both the cases with porous media h...
We investigated the transport dynamics of individual magnetic domain walls by employing electrical measurements in multiterminal Ga1−xMnxAs microdevices. Domain wall propagation velocities were deduced from time-of-flight planar Hall measurements between multiple electrical probes of our samples. Domain wall motion induced by both magnetic field and electric currents was systematically investig...
We present three-dimensional numerical magnetohydrodynamic simulations of radiatively inefficient spherical accretion onto a black hole. The simulations are initialized with a Bondi flow, and with a weak, dynamically unimportant, large-scale magnetic field. The magnetic field is amplified as the gas flows in. When the magnetic pressure approaches equipartition with the gas pressure, the field b...
The anisotropic fluid equations governing a frictionless obliquely-flowing plasma around an essentially arbitrarily shaped three-dimensional ion-absorbing object in a strong magnetic field are solved analytically in the quasi-neutral drift-approximation, neglecting parallel temperature gradients. The effects of transverse displacements traversing the magnetic presheath are also quantified. It i...
The anisotropic fluid equations governing a frictionless obliquely-flowing plasma around an essentially arbitrarily shaped three-dimensional ion-absorbing object in a strong magnetic field are solved analytically in the quasi-neutral drift-approximation, neglecting parallel temperature gradients. The effects of transverse displacements traversing the magnetic presheath are also quantified. It i...
In the present paper, a numerical investigation of transport phenomena is considered in electrically-conducting nanofluid flow within a porous bed utilizing Buongiorno’s transport model and Runge-Kutta-Fehlberg fourth-fifth order method. Induced flow by non-isothermal stretching/shrinking sheet along with magnetic field impact, dissipation effect, and slip conditions at the surface are...
Submicron FeCo magnetic grains with different percents of cobalt were grown in the presence of magnetic field. After omitting the excess ions and oxygen, heat treatment was performed and some samples were oriented in a polymer background in the presence of a magnetic field. The results of SEM, XRD, and magnetic measurements confirm the existence of induced magnetic anisotropy. As the strength...
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