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Absorption of oxygen from a growing bubble Fig 20A2 oxygen is being injected into pure water from a capillary tube The system is virtually isothermal and isobaric at 25°C and 1 atm The

Absorption of oxygen from a growing bubble (Fig. 20A.2), oxygen is being injected into pure water from a capillary tube. The system is virtually isothermal and isobaric at 25°C and 1 atm. The solubility of oxygen in the liquid phase is wA0 = 7.78 x 10-4, and the liquid-phase diffusivity for the oxygen-water pair is DAB = 2.60 x 10-5 cm2/s. Calculate the instantaneous total absorption rate in g/s, for a bubble of I mm diameter and age t = 2 s, assuming
(a) Constant volumetric growth rate
(b) Constant radial growth ratedrs/dt

 

Jul 25 2020 View more View Less

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