Pseudo-particle simulation of multi-scale heterogeneity in fluidization

被引:12
|
作者
Ge, W [1 ]
Zhang, JY [1 ]
Li, TH [1 ]
Li, JH [1 ]
机构
[1] Chinese Acad Sci, Inst Proc Engn, Beijing 100080, Peoples R China
来源
CHINESE SCIENCE BULLETIN | 2003年 / 48卷 / 07期
关键词
cluster; fluidization; multi-scale; particle method; pseudo-particle modeling;
D O I
10.1360/03tb9135
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
Fluidization is a process of wide application, but its dynamic behavior is not well understood because of its multi-scale heterogeneity and regime multiplicity which are difficult to simulate in traditional numerical methods. By discretizing the fluid phase into a large number of interactive simple particles, which can incorporate many-body moving boundaries easily, pseudo-particle modeling (PPM) has reproduced reasonable radial and axial heterogeneity on macro-scale as well as solids clustering and fluid flows on meso- and micro-scales. The simulation suggests a consistent evolution of the complexity across different scales with itself serving as an ideal exploring tool.
引用
收藏
页码:634 / 636
页数:3
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