Thermal effects of condensation on absorption of gases in growing droplets |
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| Affiliation: | 1. ESPOL Polytechnic University, Escuela Superior Politécnica Del Litoral, ESPOL, Facultad de Ingeniería Mecánica y Ciencias de La Producción, Centro de Energías Renovables y Alternativas, Campus Gustavo Galindo Km. 30.5 Vía Perimetral, P.O. Box 09-01-5863, Guayaquil, Ecuador;2. Escuela Superior Politécnica Del Litoral, ESPOL, Facultad de Ingeniería Mecánica y Ciencias de La Producción, Campus Gustavo Galindo Km. 30.5 Vía Perimetral, P.O. Box 09-01-5863, Guayaquil, Ecuador;3. School of Materials and Energy, University of Electronic Science and Technology of China, 2006 Xiyuan Ave, West Hi-Tech Zone, Chengdu, Sichuan, China;4. Department of Energy Sciences, Faculty of Engineering, Lund University, P.O. Box 118, Lund, Sweden;1. Beijing Key Laboratory of Membrane Science and Technology & College of Chemical Engineering, Beijing University of Chemical Technology, Beijing 100029, PR China;2. Department of Chemistry, College of Science, King Saud University, Riyadh 11451, Saudi Arabia;3. Department of Biochemistry, College of Science, King Saud University, Riyadh 11451, Saudi Arabia;1. Helmholtz-Zentrum Dresden – Rossendorf, Institute of Fluid Dynamics, Bautzner Landstrasse 400, D-01328 Dresden, Germany;2. Technische Universität Dresden, Chair of Chemical Reaction Engineering and Process Plant, Münchner Platz 3, D-01062 Dresden, Germany;1. Department of Chemical and Biological Engineering, University of Saskatchewan, Saskatoon, SK, S7N 5A9, Canada;2. Department of Chemical and Biological Engineering, Montana State University, Bozeman, MT, 59717, USA;3. Canadian Light Source, Saskatoon, SK, S7N 2V3, Canada |
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| Abstract: | Absorption of gases by a stationary droplet growing in a stagnant supersaturated medium is analyzed by solving the coupled unsteady state mass and energy balance equations for the gas and droplet phases. By means of a parametric study the effects of droplet surface temperature, growth, heat of condensation and solubility-temperature relationship on absorption are elucidated. The results indicate that for low heats of condensation the absorption rate can increase significantly due to growth. For high heats of condensation, the rapid increase in surface temperature, induced by high growth rates, can significantly lower absorption rates. |
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