نتایج جستجو برای: magneto hydrodynamic mhd flow

تعداد نتایج: 515102  

2004
L. El-Guebaly

A number of studies have proposed several electrically insulating coatings for the vanadium structure to mitigate the magneto-hydrodynamic (MHD) pumping power losses for the self-cooled lithium blanket system. The most practical scenario for power plant designs is to add the coating material to the liquid lithium breeder to help the in-situ self-healing process of the microcracking developed du...

Journal: :Plasma Physics and Controlled Fusion 2021

A collisional-radiative non-equilibrium impurity treatment for JOREK 3D nonlinear magneto-hydrodynamic (MHD) simulations has been developed. The impurities are represented by super-particles flowing along the fluid velocity field lines, while ionizing and recombining independently according to ADAS data local density temperature. contributions then projected back self-consistent time evolution....

Journal: :Symposium - International Astronomical Union 1958

2008
K. Ohsuga

In spite of a large number of global three-dimensional (3D) magneto-hydrodynamical (MHD) simulations of accretion flows and jets being made recently, their astrophysical relevance for realistic situations is not well known. In order to examine to what extent the simulated MHD flows can account for the observed spectral energy distribution (SED) of Sagittarius A* (Sgr A*), for the first time we ...

2004
TAHIRA HAROON T. HAYAT S. ASGHAR A. M. SIDDIQUI

The problem of magnetohydrodynamics (MHD) flow of a conducting, incompressible fluid due to non-coaxial rotations of a porous disk, executing oscillations in its own plane, and a fluid at infinity is considered in the presence of a uniform transverse magnetic field. The porous character of disk and the non-linearity of the fluid increase the order of the differential equation. The solutions for...

2009
Kevin Heng Anatoly Spitkovsky

We present a linear analysis of inviscid, incompressible, magnetohydrodynamic (MHD) shallow water systems. In spherical geometry, a generic property of such systems is the existence of five wave modes. Three of them (two magneto-Poincaré modes and one magneto-Rossby mode) are previously known. The other two wave modes are strongly influenced by the magnetic field and rotation, and have substant...

In this paper, the Ritz-Galerkin method in Bernstein polynomial basis is applied for solving the nonlinear problem of the magnetohydrodynamic (MHD) flow of third grade fluid between the two plates. The properties of the Bernstein  polynomials together with the Ritz-Galerkin method are used to reduce the solution of the MHD Couette flow of non-Newtonian fluid in a porous medium to the solution o...

2010
R. Chaudhary B. G. Thomas S. P. Vanka Rajneesh Chaudhary Brian G. Thomas Surya Pratap Vanka

In this paper, several low and high Reynolds number versions of k-ε and Reynolds stress turbulence models have been evaluated in a channel and a square duct flow with and without a magnetic field by comparing the predictions with direct numerical simulations data. The simulations are performed using FLUENT solver. The additional source terms for magnetic field effects on turbulence have been in...

Journal: :Monthly Notices of the Royal Astronomical Society 2021

Current-day cosmic ray (CR) propagation studies use static Milky-Way models and fit parametrized source distributions to data. Instead, we three-dimensional magneto-hydrodynamical (MHD) simulations of isolated galaxies with the moving-mesh code AREPO that self-consistently accounts for hydrodynamic effects CR protons. In post-processing, calculate their steady-state spectra, taking into account...

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