Abstract
Abstract Flow behavior of solid phases is simulated by means of DEM-CFD in a liquid–solid fluidized bed with magnetization of preliminarily fluidized bed mode (LAST) along a transverse uniform magnetic field. By changing the magnetic field strength, the distribution of particles is studied within the bed. The distributions of velocity and volume fraction of particles are analyzed at the different magnetic field intensities. When the magnetic field strength is increased to a value at which the fluidization of strings starts, the particles are found to form straight-chain aggregates along the direction of the magnetic field. At very high magnetic field strengths, the densification of particles is observed, and the liquid channels are forming between the magnetic chains. Simulations indicate that the granular temperature of particles decreases with the increase of magnetic-flux density. The drag force is determined at each particle at the low magnetic field. With an increase of magnetic field strength, magnetic force becomes main force among particles.
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