Analytical and Numerical Solution of Conjugate Heat and Mass Transfer in Falling Film Absorption Process
Kutateladze Institute of Thermophysics SB RAS, 1, Acad. Lavrentiev Avenue, 630090 Novosibirsk, Russia
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Investigation of heat and mass transfer at nonisothermal absorption on the falling liquid film surrounded by pure vapour is presented. The analytical method for entrance region and numerical method for solving the problem are proposed. The analytical solution is obtained for the entry region, where temperature and concentration perturbations are near the interface. Then, the analytical solution is used as an inlet condition for further numerical solution by the finite-difference method. The key dimensionless criteria characterizing heat and mass transfer at absorption on the falling liquid film are defined.
© The Authors, published by EDP Sciences, 2017
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