| Abstract: | Results of a thcoretical and experimental study of dynamics and mass transfer during desorption of a gas from a liquid film
in the presence of a cocurrent air flow are presented. The calculation model is based on solving integral momentum and diffusion
relations for the gaseous and liquid phascs. Both laminar and turbulent regimes of the film flow are analyzed. The experimental
study of mass transfer was conducted for carbon dioxide desorption from a water film. Criterial relations for mass transfer
in the gaseous and liquid phases are obtained. The experiments showed that the heat-transfer coefficients for the case under
study are one order of magnitude grcater than those for the flow of a smooth film. Possible mechanisms of such an appreciable
intensification of the liquid-film mass transfer in a cocurrent gas flow are discussed.
Kutateladze Institute of Thermal Physics, Siberian Division, Russian Academy of Sciences, Novosibirsk 630090. Translated from
Prikladnaya Mekhanika i Tekhnicheskaya Fizika, Vol. 41, No. 4, pp. 131–138, July–August, 2000. |
