Hydrodynamics and Pressure Fluctuation of Spouted Beds
Date Issued
2003
Date
2003
Author(s)
Leu, L.P.
DOI
912214E002015
Abstract
This experiment studied with standard deviations and pressue drop. And discuss the effects of different cone angle, particle size and bed height on the minimun spouting velocity and analyzed these data with wavelet transform. The results showed that satndard deviations of pressure drop not only exactly describe the transition of regime but also determine minimun spouting velocity. We find minimun spouting vwlocity increase with bed height, cone angle and particle diameter. After wavelet transform, these data could be divided into several scales are responded to the hydrodynamic changes.
Subjects
spouted bed
standard deviations of pressure drop
minimun spouting velocity
Publisher
臺北市：國立臺灣大學化學工程學系暨研究所
Type
report
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