Fluid-Particle Drag in Inertial Polydisperse Gas-Solid Suspensions

被引：70
|
作者：
Holloway, William [1 ]
Yin, Xiaolong [1 ]
Sundaresan, Sankaran [1 ]
机构：
[1] Princeton Univ, Dept Chem Engn, Princeton, NJ 08544 USA
来源：
AICHE JOURNAL | 2010年 / 56卷 / 08期
关键词：
fluid-particle drag force; polydisperse mixtures; lattice-Boltzmann simulation; multi-fluid model; moderate inertia; fluidized bed; LATTICE-BOLTZMANN SIMULATIONS; REYNOLDS-NUMBER; BIDISPERSE ARRAYS; SEGREGATION; INSTABILITIES; MONODISPERSE; FORCE; BEDS;
D O I：
10.1002/aic.12127
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
In this article, we extend the low Reynolds number fluid-particle drag relation proposed by Yin and Sundaresan for polydisperse systems to include the effect of moderate fluid inertia. The proposed model captures the fluid-particle drag results obtained from lattice-Boltzmann simulations of bidisperse and ternary suspensions at particle mixture Reynolds numbers ranging from 0 <= Re-mix <= 40, over a particle volume fraction range of 0.2 <= phi <= 0.4, volume fraction ratios of 1 <= phi(i)/phi(j) <= 3, and particle diameter ratios of 1 <= d(i)/d(j) <= 2.5. (C) 2009 American Institute of Chemical Engineers AIChE J, 56: 1995-2004, 2010
引用
收藏
页码：1995 / 2004
页数：10
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