Advanced Materials Science Research

Magnetohydrodynamics Review Articles

Magnetohydrodynamics (MHD; also familiar as magneto-fluid dynamics) is that the subject of the magnetic properties and demeanor of electrically conducting fluids. Examples of such magneto¬fluids cover plasmas, liquid metals, salt water, and electrolytes. The principal theory behind MHD is that magnetic fields can engender currents during a moving conductive fluid, which reciprocally polarizes the fluid and reciprocally fluctuate the magnetic flux itself. The set of equations that explains MHD are a consolidation of the Navier–Stokes equations of fluid dynamics and Maxwell’s equations of electro¬magnetism. Magnetohydrodynamics (MHD) deals with behavior of electrically conducting fluids during a magnetic flux. A magnetic field induces currents in a moving conductive fluid. A current passing through a conductive fluid can create forces on the fluid and affect the magnetic field. The key point of MHD theory is that conductive fluids can support magnetic fields. The presence of magnetic fields results in forces that successively act on the fluid (typically a plasma), thereby potentially altering the geometry and strength of the magnetic fields themselves. A key issue for a specific conducting fluid is that the relative strength of the advecting motions within the fluid, compared to the diffusive effects caused by the electrical resistivity.

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