Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/154031
Title: Particle-scale characteristics of the three distinct regions in the multi-chamber slot-rectangular spouted bed
Authors: Yang, Shiliang
Wang, Hua
Wei, Yonggang
Hu, Jianhang
Chew, Jia Wei
Keywords: Engineering::Chemical engineering
Issue Date: 2020
Source: Yang, S., Wang, H., Wei, Y., Hu, J. & Chew, J. W. (2020). Particle-scale characteristics of the three distinct regions in the multi-chamber slot-rectangular spouted bed. Powder Technology, 360, 658-672. https://dx.doi.org/10.1016/j.powtec.2019.10.038
Project: NRF2017- ITS002-013
Journal: Powder Technology
Abstract: The particle-scale characteristics of the solid phase in the three distinct regions of the dual-column slot-rectangular spouted bed are studied, along with the effects of operating parameters and scaling up, via the computational fluid dynamics coupled with discrete element method (CFD-DEM). Results demonstrate that: (i) the spout-annulus interface expands from the bottom initially and then shrinks to a neck; (ii) the majority of the particles are in the annulus and the solid residence time (SRT) patterns are distinctly different in the three regions; (iii) the collision force is much larger than the fluid force, with the greatest magnitudes in the spout region and bed surface; (iv) significantly different solid dispersion patterns are observed among three directions; and (v) scaling up the capacity of the multi-chamber spouting system by horizontally aligning more chambers negligibly alters the flow pattern or the particle-scale information (e.g., SRT) during steady spouting.
URI: https://hdl.handle.net/10356/154031
ISSN: 0032-5910
DOI: 10.1016/j.powtec.2019.10.038
Rights: © 2019 Elsevier B.V. All rights reserved.
Fulltext Permission: none
Fulltext Availability: No Fulltext
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