Novel experimental phenomena of fine-particle fluidized beds

被引：4
|
作者：
Fu, Yuanfang [1 ]
Liu, Dayou [1 ]
机构：
[1] Chinese Acad Sci, Inst Mech, DES, Beijing 100080, Peoples R China
来源：
EXPERIMENTAL THERMAL AND FLUID SCIENCE | 2007年 / 32卷 / 01期
基金：
中国国家自然科学基金;
关键词：
two-phase flow; bed height; concentration shock wave; fluidization;
D O I：
10.1016/j.expthermflusci.2007.03.001
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
The dynamic response of bed height and concentration waves in liquid-solid fluidized beds to a step change in the fluidization velocity is considered. We experimentally study the liquid-solid fluidized beds, spherical beadings, with sizes ranging from 230 to 270 mesh and the inner diameter of columns made from glass is 2.4 mm. Experimental results find that under certain conditions, fine particles with large Richardson-Zaki exponent n display different dynamic behavior from usual particles with smaller n during expansion and collapse of the fluidized state. (c) 2007 Elsevier Inc. All rights reserved.
引用
收藏
页码：341 / 344
页数：4
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