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MICROVISUALIZATION OF CLUSTERS IN A FAST FLUIDIZED-BED
Alternative TitlePowder Technol.
LI, HZ; XIA, YS; TUNG, YK; KWAUK, M
1991-06-01
Source PublicationPOWDER TECHNOLOGY
ISSN0032-5910
Volume66Issue:3Pages:231-235
AbstractMicrographs in a 10-m high by 90-mm ID FCC-air fast fluidized bed were taken by using a video camera provided with a special probe, which consists of a set of lenses and an optical fiber flashlight transmitter, inserted radially into the bed. These micrographs, taken at different radial and axial positions, can distinguish two phases in the fast fluidized bed: a dispersed phase and a cluster phase. In the dispersed phase, the solid particles are noted to be present essentially individually, while in the cluster phase the solid particles agglomerate with one another and are enmeshed in the dispersed phase. The shape of clusters is in general irregular, and their size, highly variable. It seems that the clusters transform from strands at the center of the bed into spheres near the wall. The radial distribution of cluster concentration corresponds to that of solids suspension density.; Micrographs in a 10-m high by 90-mm ID FCC-air fast fluidized bed were taken by using a video camera provided with a special probe, which consists of a set of lenses and an optical fiber flashlight transmitter, inserted radially into the bed. These micrographs, taken at different radial and axial positions, can distinguish two phases in the fast fluidized bed: a dispersed phase and a cluster phase. In the dispersed phase, the solid particles are noted to be present essentially individually, while in the cluster phase the solid particles agglomerate with one another and are enmeshed in the dispersed phase. The shape of clusters is in general irregular, and their size, highly variable. It seems that the clusters transform from strands at the center of the bed into spheres near the wall. The radial distribution of cluster concentration corresponds to that of solids suspension density.
SubtypeArticle
WOS HeadingsScience & Technology ; Technology
URL查看原文
Indexed BySCI
Language英语
WOS Research AreaEngineering
WOS SubjectEngineering, Chemical
WOS IDWOS:A1991FW73000003
Citation statistics
Cited Times:76[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/7952
Collection研究所(批量导入)
Recommended Citation
GB/T 7714
LI, HZ,XIA, YS,TUNG, YK,et al. MICROVISUALIZATION OF CLUSTERS IN A FAST FLUIDIZED-BED[J]. POWDER TECHNOLOGY,1991,66(3):231-235.
APA LI, HZ,XIA, YS,TUNG, YK,&KWAUK, M.(1991).MICROVISUALIZATION OF CLUSTERS IN A FAST FLUIDIZED-BED.POWDER TECHNOLOGY,66(3),231-235.
MLA LI, HZ,et al."MICROVISUALIZATION OF CLUSTERS IN A FAST FLUIDIZED-BED".POWDER TECHNOLOGY 66.3(1991):231-235.
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