NDLI: CFD simulation of hrodynamics in bubble columns with perforated plate distributor

Content Provider	IEEE Xplore Digital Library
Author	Nana Qi Kai Zhang Yongping Yang Hu Zhang
Copyright Year	2013
Description	Author affiliation: Sch. of Chem. Eng., Univ. of Adelaide, Adelaide, SA, Australia (Hu Zhang) \|\| State Key Lab. of Alternate Electr. Power Syst. with Renewable Energy Sources, China Electr. Power Univ., Beijing, China (Nana Qi; Kai Zhang; Yongping Yang)
Abstract	In order to design and scale up an efficient slurry bubble reactor for liquid fuel synthesis, the effects of distance between adjacent holes, superficial gas velocity, initial liquid height and opening area on local profile of phase holdup are explored experimentally and numerically in the bubble columns with perforated plate distributor. Simulated overall gas holdup by the standard k-ε turbulence model in the commercial CFD software platform (ANSYS CFX 10.0) show good agreement with experimental measurement within the column. The results show that an obvious jet flow from each holes and bed surface fluctuation at the liquid surface can be observed at both superficial gas velocities and distances between adjacent holes. The greater the superficial gas velocity, the deeper the jet flow. Smaller distance between adjacent holes and higher superficial gas velocity can make the jet flow merge in a lower axial position. The effect of initial liquid height on the flow pattern of the column can be ignored, while a larger overall gas holdup can be obtained when operated at a higher superficial gas velocity or a larger opening area of the distributor as the dead zone is weaken.
Starting Page	703
Ending Page	707
File Size	313071
Page Count	5
File Format	PDF
ISBN	9781479933358
e-ISBN	9781479933365
DOI	10.1109/ICMREE.2013.6893774
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-08-19
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	CFD simulation Liquids Computational fluid dynamics Buble column Perforated plate distributor Hydrodynamics Liquid fuel synthesis Mathematical model Fuels Inductors Slurries
Content Type	Text
Resource Type	Article

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