CFD and experimental studies of solids hold-up distribution and circulation patterns in gas–solid fluidized beds
✍ Scribed by G.N. Ahuja; A.W. Patwardhan
- Book ID
- 108082868
- Publisher
- Elsevier Science
- Year
- 2008
- Tongue
- English
- Weight
- 976 KB
- Volume
- 143
- Category
- Article
- ISSN
- 1385-8947
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An electrical-impedance tomography (EIT) system has been developed to non-invasively measure radial voidage profiles in the riser of a pilotscale circulating fluidized bed (CFB), yielding quantitative information that is validated by comparison to a gamma-densitometry tomography (GDT) system. EIT an
In this paper it is shown that the gas #ow pattern in the dense bottom-bed of circulating #uidized beds, operated with Geldart-B type of solids, exhibits three di!erent types of dynamic behavior, dependent on the width of the riser and on the aspect ratio of the dense bottom-bed. These types of dyna