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      Interactions between gas–liquid mass transfer and bubble behaviours

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          Abstract

          Interactions between gas–liquid mass transfer and bubble behaviours were investigated to improve the understanding of the relationship between the two sides. The CO 2/N 2-water system was applied to study the bubble behaviours based on the volume-of-fluid (VOF) model. The mass transfer conditions were taken into consideration when the fluid field was analysed. The bubble behaviours were compared with and without mass transfer. The results show that the absolute slopes of the curves for mass fraction inside the single rising bubbles, with diameters from 3 to 6 mm, decrease from 0.09325 to 0.02818. It means that small single bubbles have higher mass transfer efficiency. The daughter bubbles of cutting behaviour and initial side-by-side bubbles of coalescence behaviour also perform better than the initial large bubbles and coalesced bubbles, respectively. The bubble behaviours affect the mass transfer process. However, the latter also reacts upon the former. The critical intervals between the side-by-side bubbles decrease from 2.0 to 0.9 mm when the bubble diameter changes from 3 to 7 mm. For the coalescence behaviour without mass transfer, the critical intervals are larger because there is no influence of concentration around the bubbles on the bubble motion. The coalescence of cut daughter bubbles is also influenced by the concentration. It was suggested that the interaction between the gas–liquid mass transfer and bubble behaviours cannot be ignored.

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          Most cited references37

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          A literature review of theoretical models for drop and bubble breakup in turbulent dispersions

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            Gas–liquid mass transfer in a high pressure bubble column reactor with different sparger designs

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              Wake-induced relative motion of bubbles rising in line

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                Author and article information

                Journal
                R Soc Open Sci
                R Soc Open Sci
                RSOS
                royopensci
                Royal Society Open Science
                The Royal Society
                2054-5703
                May 2019
                1 May 2019
                1 May 2019
                : 6
                : 5
                : 190136
                Affiliations
                [1 ]College of Chemical Engineering, Qingdao University of Science and Technology , Qingdao 266042, People's Republic of China
                [2 ]College of Electromechanical Engineering, Qingdao University of Science and Technology , Qingdao 266061, People's Republic of China
                Author notes
                Author for correspondence: Guanghui Chen e-mail: guanghui@ 123456qust.edu.cn

                This article has been edited by the Royal Society of Chemistry, including the commissioning, peer review process and editorial aspects up to the point of acceptance.

                Author information
                http://orcid.org/0000-0003-3344-4823
                http://orcid.org/0000-0002-3459-4834
                Article
                rsos190136
                10.1098/rsos.190136
                6549981
                31218056
                f2b20af6-781d-41ec-959c-832a6f79090f
                © 2019 The Authors.

                Published by the Royal Society under the terms of the Creative Commons Attribution License http://creativecommons.org/licenses/by/4.0/, which permits unrestricted use, provided the original author and source are credited.

                History
                : 22 January 2019
                : 5 April 2019
                Funding
                Funded by: National Natural Science Foundation of China, http://dx.doi.org/10.13039/501100001809;
                Award ID: 21276132
                Funded by: A Project of Shandong Province Higher Educational Science and Technology Program;
                Award ID: J17KA107
                Funded by: the transformation project of scientific and technological achievements of Qingdao;
                Award ID: 16-6-2-50-nsh
                Categories
                1006
                38
                1009
                73
                Chemistry
                Research Article
                Custom metadata
                May, 2019

                mass transfer,rising behaviour,coalescence behaviour,cutting behaviour,concentration distribution

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