Transport phenomena of falling liquid film flow on a plate with rectangular holes / Ming Zhu in Industrial & engineering chemistry research, Vol. 49 N° 22 (Novembre 2010)  

Public ISBD [article]  inIndustrial & engineering chemistry research > Vol. 49 N° 22 (Novembre 2010) . - pp. 11724-11731 Titre : Transport phenomena of falling liquid film flow on a plate with rectangular holes Type de document : texte imprimé Auteurs : Ming Zhu, Auteur ; Chun Jiang Liu, Auteur ; Wei Wei Zhang, Auteur Année de publication : 2011 Article en page(s) : pp. 11724-11731 Note générale : Chimie industrielle Langues : Anglais (eng) Mots-clés : Film flow Liquid film Transport process Résumé : Falling liquid film flow is a sort of ubiquitous transport phenomenon occurring in chemical engineering. Fundamental research on the flow and mass transfer behavior of falling liquid film flow on plates with different structures can help engineers to develop more efficient equipment. In this paper, falling liquid film flow on a plate with rectangular holes is investigated with both numerical and experimental methods. Mass transfer experiments show that opening rectangle-shaped narrow holes on a plate can enhance the mass transfer efficiency. Compared to an ordinary plate, the vapor—liquid mass transfer rate on a holed plate can be increased by 10-20%. To analyze the detailed flow and mass transfer behavior, the computational fluid dynamics model (CFD) based on the volume of fluid (VOF) method is developed. In this model, the Marangoni effect induced by mass transfer is considered. The new model was demonstrated to give more satisfactory results than the previous model. DEWEY : 660 ISSN : 0888-5885 En ligne : http://cat.inist.fr/?aModele=afficheN&cpsidt=23437873 [article] Transport phenomena of falling liquid film flow on a plate with rectangular holes [texte imprimé] / Ming Zhu, Auteur ; Chun Jiang Liu, Auteur ; Wei Wei Zhang, Auteur . - 2011 . - pp. 11724-11731. Chimie industrielle Langues : Anglais (eng) in Industrial & engineering chemistry research > Vol. 49 N° 22 (Novembre 2010) . - pp. 11724-11731 Mots-clés : Film flow Liquid film Transport process Résumé : Falling liquid film flow is a sort of ubiquitous transport phenomenon occurring in chemical engineering. Fundamental research on the flow and mass transfer behavior of falling liquid film flow on plates with different structures can help engineers to develop more efficient equipment. In this paper, falling liquid film flow on a plate with rectangular holes is investigated with both numerical and experimental methods. Mass transfer experiments show that opening rectangle-shaped narrow holes on a plate can enhance the mass transfer efficiency. Compared to an ordinary plate, the vapor—liquid mass transfer rate on a holed plate can be increased by 10-20%. To analyze the detailed flow and mass transfer behavior, the computational fluid dynamics model (CFD) based on the volume of fluid (VOF) method is developed. In this model, the Marangoni effect induced by mass transfer is considered. The new model was demonstrated to give more satisfactory results than the previous model. DEWEY : 660 ISSN : 0888-5885 En ligne : http://cat.inist.fr/?aModele=afficheN&cpsidt=23437873

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