On the Cluster Structure of a Circulating Fluidized Bed
β Scribed by Yu. S. Teplitskii
- Publisher
- Springer US
- Year
- 2005
- Tongue
- English
- Weight
- 71 KB
- Volume
- 78
- Category
- Article
- ISSN
- 1573-871X
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π SIMILAR VOLUMES
## Abstract A new waveletβthreshold criterion was developed to distinguish the cluster and the void phases from the transient solids holdup/concentration fluctuation signals when measured in a 108 mmβi.d. Γ 5.75 mβhigh circulating fluidized bed with FCC particles (d~p~ = 78 ΞΌm, Ο~p~ = 1,880 kg/m^3^
Abstraet--A new technique has been developed to observe and measure the hydrodynamic properties of solid particles flowing at the wall of a fluidized bed. This technique is called 'thermal image velocimetry' or TIV. The TIV technique involves heating the clusters of particles that are at the wall an
A mathematical model to describe a circulating fluidized-bed combustor is presented. A modified two-phase model which was used in the bubbling fluidized-bed combustor is considered to simulate the dense zone of the bottom section. For the upper section of the bed the momentum and energy-balance equa
Electrical conductivity probes were used to measure the radial distributions of solids holdup and liquid velocity in a liquid-solid circulating fluidized bed. These distributions are found to be non-uniform, unlike those in a non-circulating bed. The effects of superficial liquid velocity and partic