✦ LIBER ✦

Suspension of solid particles

✍ Scribed by Frantisek Rieger; Pavel Ditl

Publisher: Elsevier Science
Year: 1994
Tongue: English
Weight: 892 KB
Volume: 49
Category: Article
ISSN: 0009-2509
DOI: 10.1016/0009-2509(94)e0029-p

No coin nor oath required. For personal study only.

✦ Synopsis

This paper deals with the prediction of the impeller speed required for complete suspension of solid particles. Based on the inspection analysis of the governing equations, the dimensionless equation expressing such impeller speed was proposed. The specific forms of this equation were determined experimentally for a six-pitched blade turbine for solid concentrations of 2.5 and 10% by volume. Four different hydrodynamic regimes were observed depending on the relative particle size and Reynolds number values. In view of our results the weaknesses of existing theories and correlations were shown and discussed.

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