Abstract
Considerable research has been done concerning solid suspension in agitated tanks. Typically, such studies concern slurries or granular material, such as sand, and involve minimum suspension rotational speeds or suspension homogeneity. The objectives of this work are similar, however we are concerned with rather large cylinders of varying length to diameter ratios. The work involves: 1) the determination of minimum impeller rotational speed for suspension similar to criterion used by Zwietering, 2) the measurement of suspension heights and times, 3) an investigation into whether the correlations by Zwietering, Kolar and Rieger et al., can be used for predicting minimum suspension rotational speed and 4) weight fraction effects on minimum suspension rotational speed.
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