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多相流动科学与技术
SJR: 0.183 SNIP: 0.483 CiteScore™: 0.5

ISSN 打印: 0276-1459
ISSN 在线: 1943-6181

多相流动科学与技术

DOI: 10.1615/MultScienTechn.v14.i4.20
46 pages

MODELLING HYDRODYNAMICS AND MASS TRANSFER IN STRUCTURED PACKINGS - A REVIEW

P. Valluri
Department of Chemical Engineering and Chemical Technology, Imperial College London, South Kensington Campus, London SW72AZ, UK
Omar K. Matar
Department of Chemical Engineering, Imperial College London, Prince Consort Road, London SW7 2AZf
M. A. Mendes
Department of Chemical Engineering and Chemical Technology, Imperial College London, South Kensington Campus, London SW72AZ, UK
Geoffrey F. Hewitt
Department of Chemical Engineering & Chemical Technology Imperial College of Science, Technology & Medicine Prince Consort Road, London SW7 2B Y, England

ABSTRACT

The modelling techniques and models used to date for determining hydrodynamic and mass-transfer parameters in columns with structured packings are reviewed. Three main classes of models have been identified: Empirical/Semi-empirical models, Film models and CFD models. It is felt that the disadvantages of the empirical models that drive current design techniques could be overcome by using more reliable film based modelling techniques in the future. The adjunct of analytical models and CFD techniques might prove to be a formidable combination in providing rigorous solutions to design and troubleshooting problems in general.


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