Scale-Up Strategy for the Jetting Fluidized Bed Using a CFD Model Based on Two-Fluid Theory

Qicheng Wang, Kai Zhang, Stefano Brandani, Jianchun Jiang

Research output: Contribution to journalArticlepeer-review

Abstract

Based on a hydrodynamic two-fluid model [Brandani and Zhang, Powder Technol. 2006; 163(1-2): 80-87], the scaling relations developed by Glicksman et al., are modified to improve the understanding of the scale-up of jetting fluidized beds (JFBs). To estimate the ability of the proposed scaling rules to give similar results, simulations are conducted in CFX 4.4. We investigate in detail the effects of jet gas velocity on the scale-up rule. The similarities of jet evolutions and time-averaged radial viodage distributions are compared between large and small beds. The computational results confirm that the modified scaling rules are valid for JFBs when all dimensionless groups are matched between the prototype and large-scale beds.

Original languageEnglish
Pages (from-to)204-210
Number of pages7
JournalCanadian Journal of Chemical Engineering
Volume87
Issue number2
DOIs
Publication statusPublished - Apr 2009

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