Growth rate of a gas bubble during electrolysis in supersaturated liquid

H.F.A. Verhaart, R.M. Jonge, de, S.J.D. Stralen, van

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    Abstract

    The growth of a spherical gas bubble on a horizontal plane has been studied both experimentally and theoretically. Experiments with a miniature electrode have been carried out in a uniformly (super)-saturated solution of oxygen in water, with and without electrolysis. All experiments have been done at a temperature of 291 K and at (sub)atmospheric pressure(s). An analytical expression has been derived for bubble growth in a uniformly supersaturated (or superheated) liquid, which holds for all Jakob numbers. For the more complicated case of simultaneous electrolysis a power series expansion has been found suitable. The experimental results were reproducible and in all cases the agreement with theoretical models was excellent.
    Original languageEnglish
    Pages (from-to)293-299
    Number of pages7
    JournalInternational Journal of Heat and Mass Transfer
    Volume23
    Issue number3
    DOIs
    Publication statusPublished - 1980

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