Abstract
The solid particulate media in magnetically stabilized fluidized beds (MSBs) exhibit complex theological behaviors. Viscoplastic non-Newtonian viscosity and yield stress have been observed. However, because of an inherent requirement that the fluidization state of the media must be maintained, special design features and operating procedures are needed in carrying out MSB theology studies. In this paper, literature reports on various aspects of MSB rheology are reviewed. Basically, three types of experimental method have been used in these studies, namely: the drawing-plate experiment for MSB yield stress, the solid-setting experiment for the yield stress and viscosity in MSB media, and the solid discharge experiment for MSB solid flowability. The set-up principles and the important results of each of these experimental devices are discussed. In addition, several related reports in the literature are discussed.
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