Abstract
A first theoretical approach to gas transfer by bubbles is undertaken. It is found that transfer velocity increases when solubility decreases. Bubble overpressure leads to water supersaturation at equilibrium, this supersaturation being more significant for less soluble gases. Although the transfer velocity remains roughly constant for a valuable concentration gradient far from equilibrium, its range of variation becomes infinite near equilibrium. Attention is turned directly to the flux itself: it is shown that the flux is a linear function of the concentration gradient; the coefficients of this function are entirely defined by the physico-chemical properties of the gas and by the bubble distribution.
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© 1984 Springer Science+Business Media Dordrecht
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Mémery, L., Merlivat, L. (1984). Contribution of Bubbles to Gas Transfer Across an Air-Water Interface. In: Brutsaert, W., Jirka, G.H. (eds) Gas Transfer at Water Surfaces. Water Science and Technology Library, vol 2. Springer, Dordrecht. https://doi.org/10.1007/978-94-017-1660-4_23
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DOI: https://doi.org/10.1007/978-94-017-1660-4_23
Publisher Name: Springer, Dordrecht
Print ISBN: 978-90-481-8393-7
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