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4. Fluidization regimes: dense bed and circulating bed
4.1 Homogeneous and heterogeneous fluidization regimes
The fluidization range for particles with a given Archimedean number corresponds to all empty-barrel gas flow velocities U between U mf and U t , i.e. Reynolds numbers between Re mf and Re pt . This range is wider the higher the ratio Re pt /Re mf .
Variations in this ratio, as a function of Ar, can be plotted for different values of ε mf (figure
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Fluidization regimes: dense bed and circulating bed
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