Revised Bell Particle-Particle Drag Model of Bicomponent Cohesive Particles in a Fluidized Bed

被引：0

作者：

Chen, Juhui ^{[1
]}

Zheng, Zhijie ^{[1
]}

Li, Dan ^{[1
]}

Zhang, Zongyun ^{[1
]}

Zhao, Chenxi ^{[1
]}

Liu, Xiaogang ^{[1
]}

Sun, Yongguo ^{[1
]}

Han, Changliang ^{[1
]}

Yu, Guangbin ^{[1
]}

机构：

[1] Harbin Univ Sci & Technol, Sch Mech & Power Engn, Harbin 150080, Peoples R China

来源：

CHEMICAL ENGINEERING & TECHNOLOGY | 2023年 / 46卷 / 02期

基金：

中国国家自然科学基金;

关键词：

Fluidized beds; Mixed particles; Population balance model; Revised drag model; Ultrafine particles; BINARY-MIXTURES; FLOW; SIMULATION; GELDART; POWDERS; HYDRODYNAMICS; RISER;

D O I：

10.1002/ceat.202200290

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

In the framework of the two-fluid model, the kinetic theory of cohesive particle flow is applied to bicomponent cohesive particle flow. Based on the Bell particle-particle drag model, the revised Bell particle-particle drag model is presented for the bicomponent cohesive particle flow, considering the impact of the particle surface energy on the collision process. The flow characteristics of a mixture of Geldart group A particles and ultrafine particles were studied. The results show that the simulated elutriation rate is in good agreement with the experimental data, which verifies the effectiveness of the cohesive particles drag model.

引用

页码：304 / 313

页数：10

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