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Calculated particle velocities, concentrations and spout diameter in a spouted bed are in agreement with experimental data obtained by He et al., 1994a, He et al., 1994b.
The fountain height and spout diameter increases with increasing gas flow rate initially and then decreases.
The required input information includes the average spout diameter and the spout expansion angle.
For Multi-spouting, the spout diameter increases with increasing bed height, however the bed becomes unstable when the bed thickness is increased to 200 mm.
Relationships giving spout diameter as a function of height are developed for both two-dimensional and cylindrical spouted beds, and tested against experimental data selected from the literature.
To fit the particle velocity profile, the spout must contract slightly near the inlet to the bed and then expand to the average spout diameter.
Similar(51)
Experimental results indicate that the jet penetration depth increases with increasing spouting gas velocity and spout nozzle diameter, while it decreases with increasing particle density, particle diameter, static bed height and fluidizing gas flow rate.
The effects of spouting gas velocity, spout nozzle diameter, static bed height, particle property and fluidizing gas flow rate on the jet penetration depth have been systematically studied by pressure signal analysis and image processing.
The performance of a 0.15 m diameter spouted bed reactor has been studied for decomposition of ozone on iron oxide catalyst.
Previously reported experimental work on the decomposition of ozone in a 0.15 m diameter spouted bed of angular iron oxide catalyst particles has been extended to spherical catalyst particles in both 0.15 m and 0.22 m dia.
The screw-on lid, drinking spout and 1.9-inch-diameter mouth are made of a rigid BPA-free polypropylene plastic, as is a 2-inch-high sliding sleeve that keeps the bottle from collapsing in your hand as you drink and lets the container stand upright even when empty.
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