Three-dimensional computational fluid dynamics (CFD) study of the gas–particle circulation pattern within a fluidized bed granulator: By full factorial design of fluidization velocity and particle size. Issue 9 (4th July 2017)

• Record Type: Journal Article
• Authors: Liu, Huolong; Yoon, Seongkyu; Li, Mingzhong
• Is Part Of: Drying technology. Volume 35:Issue 9(2017)
• Page Start: 1043
• Page End: 1058
• Publication Date: 2017-07-04
• Subjects: Computational fluid dynamics -- fluidization -- fluidized bed granulator -- full factorial design -- gas–particle hydrodynamics; Drying -- Periodicals; Desiccation; 660.28426
• DOI: 10.1080/07373937.2016.1230628
• Languages: English
• ISSNs: 0737-3937

Abstract

ABSTRACT: The fluidization velocity and mean particle size were selected to be numerically investigated pertaining to their effects on the gas–particle circulation pattern within a fluidized bed granulator by three-dimensional computational fluid dynamics (CFD) simulation applying an Eulerian–Eulerian two-fluid model. The CFD simulations were designed by full factorial design method and the developed CFD model was experimentally validated. The fluidization process was proved to reach a quasi-steady state. The gas–particle circulation pattern and particle concentration distribution were analyzed based on fluidization velocity and mean particle size. A mathematical model was developed to provide guidance on how to change fluidization level during one experiment.