Premium
The characteristics of cluster in a high density circulating fluidized bed
Author(s) -
Wei Fei,
Yang GuoQiang,
Jin Yong,
Yu ZhiQing
Publication year - 1995
Publication title -
the canadian journal of chemical engineering
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.404
H-Index - 67
eISSN - 1939-019X
pISSN - 0008-4034
DOI - 10.1002/cjce.5450730508
Subject(s) - cluster (spacecraft) , interception , fluidized bed , fluidized bed combustion , materials science , physics , computer science , operating system , ecology , biology , thermodynamics
The cluster images in a high density circulating fluidized bed (HDCFB) measured by a one‐dimensional optical fiber image analysis system are studied. The experimental results show that the characteristics of cluster in the riser vary greatly at different operating conditions. The radial cluster size, the cluster interception time and the probability of cluster appearance increase with bed density and decrease with gas velocity. Based on the analysis of the cluster image at various operating conditions, correlations of the radial cluster size, the cluster interception time and the probability of cluster appearance in a HDCFB are proposed. It is found that they are related to local solids concentration and gas velocity.