Liquid circulation in columns due to bubble drift

Liquid circulation in columns due to bubble drift

The profiles of liquid velocity and gas hold‐up in convection cells of bubble columns were calculated numerically. Development of a circulation cell was calculated from momentum and mass balances. Breakdown of the circulation cell was calculated taking into account the drift motion of bubbles ascend...

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Veröffentlicht in:Chemical engineering & technology 1992-08, Vol.15 (4), p.258-264
Hauptverfasser: Millies, Marco, Mewes, Dieter
Format: Artikel
Sprache:eng
Schlagworte:
Applied sciences
Chemical engineering
Exact sciences and technology
Hydrodynamics of contact apparatus
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Beschreibung
Zusammenfassung:The profiles of liquid velocity and gas hold‐up in convection cells of bubble columns were calculated numerically. Development of a circulation cell was calculated from momentum and mass balances. Breakdown of the circulation cell was calculated taking into account the drift motion of bubbles ascending in accordance with the velocity gradient of the liquid. A limit of stability for the development of circulation cells has been obtained.
ISSN:0930-7516
1521-4125
DOI:10.1002/ceat.270150408