Flow characteristics in a rectangular spout-fluid bed

Hydrodynamic studies are reported on six different materials, spouted and spout-fluidised with air in a column of square cross-section, using nozzles of five different sizes. Correlations for minimum spout-fluidised flow rate in cylindrical columns were investigated for this geometry. New correlatio...

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Bibliographic Details
Published in:Powder technology 1992-03, Vol.69 (3), p.205-211
Main Authors: Anabtawi, Mohammed Zohdi, Uysal, Bekir Zuhtu, Jumah, Rami Yussuf
Format: Article
Language:English
Subjects:
Applied sciences
Chemical engineering
cross sectional control
Exact sciences and technology
Fluidization
hydrodynamics
nozzles
velocity
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Summary:Hydrodynamic studies are reported on six different materials, spouted and spout-fluidised with air in a column of square cross-section, using nozzles of five different sizes. Correlations for minimum spout-fluidised flow rate in cylindrical columns were investigated for this geometry. New correlations for predicting the minimum spouting velocity and the minimum spout-fluidising velocity are developed. The velocity profile in the bed agreed well with the observations of Lim and Grace [1], and Mamuro and Hattori [2].
ISSN:0032-5910
1873-328X
DOI:10.1016/0032-5910(92)80011-K