Abstract
The dynamics of a single bubble in an aqueous solution of carbon dioxide (CO2) and air were theoretically investigated. The time evolution of the bubble radius and that of the partial pressures of CO2 gas and air in the bubble were studied by solving the simultaneous time evolution equations for these variables analytically and numerically. It was shown that bubbles comprising CO2 gas and air, the solubilities of which in water were significantly different, exhibited peculiar behaviors that could not be expected from classical nucleation theory. The bubble radii, expressed as a function of time, exhibited peaks, kinks, and plateaus. Bubbles smaller or larger than the critical bubble radius could grow and diverge or shrink and vanish, respectively.
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