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The importance of estimating an apparent drag coefficient, which considers the effect of turbulence on the gas bubble rising velocity, is also tackled by applying different correlations available in literature, namely, Brucato, modified Brucato, and Pinelli correlations. The spatial distribution of <jats:italic>k<\/jats:italic><jats:sub>L<\/jats:sub><jats:italic>a<\/jats:italic> values in the agitated vessel is found from the CFD results using Danckwert's surface renewal model. An analysis of the gas volume fraction distribution obtained from the simulations is performed in order to choose the most suitable drag model. The modified Brucato correction correlation for the drag force exhibits the best agreement with experimental data.<\/jats:p>","DOI":"10.1002\/ceat.201900162","type":"journal-article","created":{"date-parts":[[2019,3,12]],"date-time":"2019-03-12T17:19:00Z","timestamp":1552411140000},"page":"1545-1554","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":13,"title":["Estimation of <i>k<\/i><sub>L<\/sub><i>a<\/i> Values in Bench\u2010Scale Stirred Tank Reactors with Self\u2010Inducing Impeller by Multiphase CFD Simulations"],"prefix":"10.1002","volume":"42","author":[{"given":"Vania","family":"Santos-Moreau","sequence":"first","affiliation":[{"name":"IFP Energies Nouvelles  Rond-point de l'\u00e9changeur de Solaize \u2013 BP 3 69360 Solaize France"}]},{"given":"Jos\u00e9 Carlos B.","family":"Lopes","sequence":"additional","affiliation":[{"name":"Universidade do Porto LA LSRE\/LCM, Laboratory of Separation and Reaction Engineering, Faculdade de Engenharia  Rua Dr. Roberto Frias s\/n 4200-465 Porto Portugal"}]},{"given":"Cl\u00e1udio P.","family":"Fonte","sequence":"additional","affiliation":[{"name":"The University of Manchester School of Chemical Engineering and Analytical Science  Oxford Road M13 9PL Manchester United Kingdom"}]}],"member":"311","published-online":{"date-parts":[[2019,4,5]]},"reference":[{"key":"e_1_2_7_2_1","doi-asserted-by":"publisher","DOI":"10.1021\/i260043a012"},{"key":"e_1_2_7_3_1","doi-asserted-by":"publisher","DOI":"10.1205\/cherd.05005"},{"key":"e_1_2_7_4_1","doi-asserted-by":"publisher","DOI":"10.1002\/cjce.5450550609"},{"key":"e_1_2_7_5_1","doi-asserted-by":"publisher","DOI":"10.1021\/ie9503353"},{"key":"e_1_2_7_6_1","doi-asserted-by":"publisher","DOI":"10.1021\/ie970504e"},{"key":"e_1_2_7_7_1","doi-asserted-by":"publisher","DOI":"10.1016\/0300-9467(79)80018-0"},{"key":"e_1_2_7_8_1","doi-asserted-by":"publisher","DOI":"10.1080\/00986448008935957"},{"key":"e_1_2_7_9_1","doi-asserted-by":"publisher","DOI":"10.1021\/ie00033a029"},{"key":"e_1_2_7_10_1","doi-asserted-by":"publisher","DOI":"10.1021\/ie060092m"},{"key":"e_1_2_7_11_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ces.2007.03.043"},{"key":"e_1_2_7_12_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ces.2007.07.005"},{"key":"e_1_2_7_13_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.cej.2008.01.040"},{"key":"e_1_2_7_14_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0009-2509(97)00352-7"},{"key":"e_1_2_7_15_1","doi-asserted-by":"publisher","DOI":"10.1016\/S1385-8947(02)00067-0"},{"key":"e_1_2_7_16_1","doi-asserted-by":"publisher","DOI":"10.1205\/cerd.82.9.1282.44164"},{"key":"e_1_2_7_17_1","doi-asserted-by":"publisher","DOI":"10.1002\/cjce.5450650506"},{"key":"e_1_2_7_18_1","doi-asserted-by":"publisher","DOI":"10.1021\/ie030569j"},{"key":"e_1_2_7_19_1","doi-asserted-by":"publisher","DOI":"10.1016\/0009-2509(92)85075-M"},{"key":"e_1_2_7_20_1","doi-asserted-by":"publisher","DOI":"10.1016\/0300-9467(84)85038-8"},{"key":"e_1_2_7_21_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.cej.2003.08.005"},{"key":"e_1_2_7_22_1","unstructured":"M.Mitrovic Ph. 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