Hold-up and fluid mixing in gas-liquid fluidised beds
✍ Scribed by M.L. Michelsen; K. Østergaard
- Book ID
- 107939371
- Publisher
- Elsevier Science
- Year
- 1970
- Weight
- 817 KB
- Volume
- 1
- Category
- Article
- ISSN
- 0300-9467
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The paper considers the problems of predicting and correlating gas and liquid hold-ups in-three-phase fluidised beds. It is proposed that Stewart's model, which contains a single unknown parameter k (the mean liquid-wake/bubble volu\_me ratio in the bed), should be used in conjunction with Wallis' d
Gas hold-up and liquid phase axial dispersion coefficient have been measured in water filled bubble columns of 5.08, 14.0 and 29sOcm dia. as a function of the superficial gas velocity. From the gas hold-up measurements the following relationship between the relative velocity between gas and liquid,