✦ LIBER ✦

Mass transfer to falling wavy liquid films at low Reynolds numbers

✍ Scribed by S. Banerjee; R. Rhodes; D.S. Scott

Publisher: Elsevier Science
Year: 1967
Tongue: English
Weight: 511 KB
Volume: 22
Category: Article
ISSN: 0009-2509
DOI: 10.1016/0009-2509(67)80103-9

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✦ Synopsis

Liquid phase mass transfer coefficients for fihns in wave motion are considerably larger than predicted by previous theory. The increase in interfacial area due to waves cannot explain the discrepancy satisfactorily. A model for the absorption process has been proposed which takes into account eddies formed within the film by the passage of waves. Harriott's random eddy modification of the penetration theory is applied, together with an approach suggested by Levich for calculating the distance to which the eddies approach the surface. The predictions of the liquid phase mass transfer coefficients are in agreement with experiments in the published literature.

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