Journal
PARTICUOLOGY
Volume 10, Issue 6, Pages 663-671Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.partic.2012.06.003
Keywords
EMMS; Cluster; Circulating fluidized bed; Boiler; CFD; Simulation
Funding
- Natural Science Foundation of China [21106157, 21176240, 51106168]
- Ministry of Science & Technology (MOST) [2007AA050302-03]
- Strategic Priority Research Program of Chinese Academy of Sciences [KGCX2-YW-222, XDA07080202]
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Recently, EMMS-based models are being widely applied in simulations of high-throughput circulating fluidized beds (CFBs) with fine particles. Its use for low flux systems, such as CFB boiler (CFBB), still remains unexplored. In this work, it has been found that the original definition of cluster diameter in EMMS model is unsuitable for simulations of the CFB boiler with low solids flux. To remedy this, we propose a new model of cluster diameter. The EMMS-based drag model (EMMS/matrix model) with this revised cluster definition is validated through the computational fluid dynamics (CFD) simulation of a CFB boiler. (c) 2012 Chinese Society of Particuology and Institute of Process Engineering, Chinese Academy of Sciences. Published by Elsevier B.V. All rights reserved.
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