Gas flow through a bubble in a fluidised bed
โ Scribed by J.H. Hargreaves; D.L. Pyle
- Publisher
- Elsevier Science
- Year
- 1972
- Tongue
- English
- Weight
- 394 KB
- Volume
- 27
- Category
- Article
- ISSN
- 0009-2509
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๐ SIMILAR VOLUMES
It is shown that existing data on bubble size (when this is not restricted by the vessel dimensions) can be described by ,,f)"Z(h t h$"/g I", \* 5.2 \* 3.0 \* 2.3 f 0.6 \* 0.8 \* 0.8 \* 0.8 \* 0.3
Based on the observed pattern of coalescence of bubble pairs in vertical alignment in a two-dimensional bed, a theory is developed which describes how bubble size and frequency changes with height in a gas fluidised bed. It is confirmed by comparison with the reported data from 10 separate investiga
NOTATION diffusion coefficient of Fe(CN&" in the solution; m2/sec diameter of the sphere; m mass-transfer coefficient; m/set translational velocity; m/set angular velocity: rad./sec kinematic viscosity of the fluid; m\*/sec Reynolds number for translation, Vd/v Reynolds number for rotation, od\*/v R