Numerical Simulation for the Wall Channeling of Packed Bed in the Chemical Industry

DOI

10.2991/wartia-16.2016.52How to use a DOI?

Keywords

FLUENT, Porous media, Packed bed, Wall channeling

Abstract

Wall channeling has a significant impact on the profiles of flow velocity in packed bed. Using fore treatment software GAMBIT, the three-dimensional packed bed model was established. Grids of three-dimensional model were divided by the means of coin division. Based on FLUENT porous media model, the anisotropy of radial porosity in packed bed was reflected with the User Defined Functions of FLUENT. The profiles of flow velocity in packed bed with anisotropy and isotropy of radial porosity were compared. In the condition of anisotropy, the effects of the particle diameters on wall channeling were analyzed by comparing the flow and distribution regular pattern inside the packed bed with different particle diameters. The analytic results showed that the velocity near the wall was larger than the center region for the anisotropy of radial porosity. Under the same conditions, the width of affected area could be decreased if smaller particles were used, but the maximum of velocity in affected area was bigger than larger particles.

Copyright

© 2016, the Authors. Published by Atlantis Press.

Open Access

This is an open access article distributed under the CC BY-NC license (http://creativecommons.org/licenses/by-nc/4.0/).

Download article (PDF)

TY  - CONF
AU  - He Lou
PY  - 2016/05
DA  - 2016/05
TI  - Numerical Simulation for the Wall Channeling of Packed Bed in the Chemical Industry
BT  - Proceedings of the 2016 2nd Workshop on Advanced Research and Technology in Industry Applications
PB  - Atlantis Press
SP  - 271
EP  - 276
SN  - 2352-5401
UR  - https://doi.org/10.2991/wartia-16.2016.52
DO  - 10.2991/wartia-16.2016.52
ID  - Lou2016/05
ER  -