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TU Berlin

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Following the links below you find a continuously updated publication list of our group. In order to have an overview of our current publications please visit d|b|t|a's page on ResearchGate: Fachgebiet Dynamik und Betrieb technischer Anlagen

Computational Approach to Characterize the Mass Transfer between the Counter-Current Gas-Liquid Flow
Zitatschlüssel Xu
Autor Y. Y. Xu and S. Paschke and J.-U. Repke and J. Q. Yuan and G. Wozny
Seiten 1227–1235
Jahr 2009
DOI 10.1002/ceat.200900099
Journal Chemical Engineering & Technology
Jahrgang 32
Nummer 8
Monat aug
Verlag Wiley
Zusammenfassung Abstract Structured packed columns are widely used in the chemical industry for distillation and absorption. However, the understanding of the transfer mechanism behind the counter?current gas?liquid flow in structured packed columns is still limited. In this work, a three?dimensional CFD model that considers the local absorption and the local momentum transfer mechanism is developed for a film flow on a small plate with a counter?current gas flow. The model, based on the Volume of Fluid (VOF) method, is built up on the basis of a pressure drop model and the penetration theory to quantitatively investigate the instantaneous hydrodynamics and mass transfer characteristics of the liquid phase. Simulations and experiments are carried out for a system consisting of propane and toluene. A comparison of the simulation results with the experimental data for the outlet concentrations shows good agreement.
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