CFD Simulation of Hydraulics of Dividing Wall Sieve Trays

Yan Wang; Song Du; Huai Gong Zhu; He Xu Ma; Shao Qing Zuo

doi:10.4028/www.scientific.net/AMR.476-478.1345

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Physical Properties of Silk Fabric Containing Chitosan and Silver
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CFD Simulation of Hydraulics of Dividing Wall Sieve Trays
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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 476-478CFD Simulation of Hydraulics of Dividing Wall...

CFD Simulation of Hydraulics of Dividing Wall Sieve Trays

Abstract:

A 3D two-phase flow computational fluid dynamics (CFD) model containing gas mal-distribution is developed in the Eulerian framework to predict the hydraulics of a dividing wall sieve tray. Variable and position dependent gas superficial velocity is used in the calculation. Using water-air system, simulations of flow patterns and hydraulics of a commercial- scale 1.2m diameter sieve tray are carried out using this model to testify its precision. Then, the same simulations of a dividing wall sieve tray with equal diameter are carried out. The results show that there are two backflow regions on a dividing wall tray, one is in the segmental area, and the other is in the region nearby junction of dividing wall and outlet weir. In the segmental area of trays with equal diameter, the area of backflow region of dividing wall trays is basically equal to that of conventional trays.

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Periodical:

Advanced Materials Research (Volumes 476-478)

Pages:

1345-1350

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.476-478.1345

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Online since:

February 2012

Authors:

Yan Wang, Song Du, Huai Gong Zhu, He Xu Ma, Shao Qing Zuo

Keywords:

Computational Fluid Dynamics (CFD), Dividing Wall Column, Gas Mal-Distribution, Hydraulics, Modeling

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