Solid Flow in the Annulus of a Spouted Bed with a Flat Base
To determine whether the particle flow from annulus to spout in a spouted bed occurs only at the bottom or in the entire bed, the particle flow rates in the annulus of a spouted bed with a flat base were measured using an optical fiber probe. As a result, it is shown that the particle flow rate from...
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| Published in | KAGAKU KOGAKU RONBUNSHU Vol. 23; no. 4; pp. 604 - 606 |
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| Main Authors | , , , , |
| Format | Journal Article |
| Language | Japanese |
| Published |
Tokyo
The Society of Chemical Engineers, Japan
1997
Kagaku Kōgaku Kyōkai |
| Subjects | |
| Online Access | Get full text |
| ISSN | 0386-216X 1349-9203 |
| DOI | 10.1252/kakoronbunshu.23.604 |
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| Abstract | To determine whether the particle flow from annulus to spout in a spouted bed occurs only at the bottom or in the entire bed, the particle flow rates in the annulus of a spouted bed with a flat base were measured using an optical fiber probe. As a result, it is shown that the particle flow rate from annulus to spout at the bottom of the flat base bed is larger than that of the conical base bed, and the flow in the upper region also exists and can not be ignored when the gas velocity is increased. |
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| AbstractList | To determine whether the particle flow from annulus to spout in a spouted bed occurs only at the bottom or in the entire bed, the particle flow rates in the annulus of a spouted bed with a flat base were measured using an optical fiber probe. As a result, it is shown that the particle flow rate from annulus to spout at the bottom of the flat base bed is larger than that of the conical base bed, and the flow in the upper region also exists and can not be ignored when the gas velocity is increased. |
| Author | Shibata, Toshiharu Uemaki, Osamu Tsuji, Toshiro Itoh, Hironori Hirose, Masakazu |
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| References | He, Y. L., S. Z. Qin, C. J. Lim and J. R. Grace ; “Particle Velocity Profiles and Solid Flow Patterns in Spouted Beds, ” Can. J. Chem. Eng., 72,561-568 (1994) Uemaki O. and T. Tsuji ; “Particle Velocity and Solid Circulation Rate in a Jet-Spouted Bed, ” Can. J. Chem. Eng., 70,925-929 (1994) Benkrid, H. and Caram ; “Solid Flow in the Annular Region of a Spouted Bed, ” AIChE J., 35, 1328-1336 (1989) |
| References_xml | – reference: Uemaki O. and T. Tsuji ; “Particle Velocity and Solid Circulation Rate in a Jet-Spouted Bed, ” Can. J. Chem. Eng., 70,925-929 (1994) – reference: He, Y. L., S. Z. Qin, C. J. Lim and J. R. Grace ; “Particle Velocity Profiles and Solid Flow Patterns in Spouted Beds, ” Can. J. Chem. Eng., 72,561-568 (1994) – reference: Benkrid, H. and Caram ; “Solid Flow in the Annular Region of a Spouted Bed, ” AIChE J., 35, 1328-1336 (1989) |
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| SubjectTerms | Optical Fiber Probe Particle Flow Rate Particle Velocity Distribution Spouted Bed |
| Title | Solid Flow in the Annulus of a Spouted Bed with a Flat Base |
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