Bubble Formation at Variously Inclined Nozzles

Francesca Scargiali; Antonio Busciglio; Franco Grisafi; Alberto Brucato

doi:10.1002/ceat.201300511

journal article Jul 31, 2014

Bubble Formation at Variously Inclined Nozzles

Francesca Scargiali

Antonio Busciglio Franco Grisafi Alberto Brucato

Chemical Engineering & Technology Vol. 37 No. 9 pp. 1507-1514 · Wiley

View at Publisher Save 10.1002/ceat.201300511

Abstract

AbstractBubble formation at variously inclined submerged nozzles, fed with a continuous gas flow rate, is investigated. The average liquid velocity induced by bubble motion is determined, leading to a simple correlation for estimation of the liquid velocities induced by the repeated passage of bubbles. An effective model for the prediction of bubble sizes at their detachment from vertical nozzle orifices is presented which encompasses a bound expansion stage, followed by an accelerated expansion phase, and ends by an original bubble detachment criterion. The existence of a liquid‐phase effective entrainment velocity, generated by the continuous passage of the bubble stream, is quantified and included in the model. Model predictions are found to correlate well with experimental and literature data.

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Metrics

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Citations

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References

Details

Published: Jul 31, 2014
Vol/Issue: 37(9)
Pages: 1507-1514
License: View

Authors

F

Francesca Scargiali

Department of Engineering, University of Palermo, Viale delle Scienze ed. 6, 90128 Palermo, Italy

Cite This Article

Francesca Scargiali, Antonio Busciglio, Franco Grisafi, et al. (2014). Bubble Formation at Variously Inclined Nozzles. Chemical Engineering & Technology, 37(9), 1507-1514. https://doi.org/10.1002/ceat.201300511

Bubble Formation at Variously Inclined Nozzles

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