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A note on the movement of single large liquid bubbles in vertical tubes

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Summary

The flow of single large liquid bubbles under gravity in closed tubes is studied here for the case when the liquid bubble exhibits micropolar behaviour. The film thickness, velocity profile in the bubble and film, and nonNewtonian effects are studied and compared with those for the correspondingNewtonian fluid. The investigation is restricted to the case where the bubble length is far greater than the tube radius.

Zusammenfassung

Das Fließen einzelner großer Flüssigkeitsblasen in geschlossenen Rohren unter dem Einfluß der Schwerkraft wird für den Fall untersucht, daß die Flüssigkeitsblase mikropolares Verhalten zeigt. Die Filmdicke, das Geschwindigkeitsprofil in der Blase und dem umgebenden Film sowie die nicht-newtonschen Wirkungen werden untersucht und mit den entsprechenden Größen für einenewtonsche Flüssigkeit verglichen. Die Untersuchung beschränkt sich auf den Spezialfall, daß die Länge der Blase viel größer als der Rohrradius ist.

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References

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With 2 figures and 2 tables

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Ravindran, R. A note on the movement of single large liquid bubbles in vertical tubes. Rheol Acta 14, 693–697 (1975). https://doi.org/10.1007/BF01515927

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  • DOI: https://doi.org/10.1007/BF01515927

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