Abstract
WHEN a gas is passed through a bed of solid particles supported by a porous distributor at a flow-rate sufficient to fluidize the bed, gas bubbles can usually be seen travelling up through the bed and breaking surface at the top. The properties of bubbles in fluidized beds have become the subject of considerable interest recently for the information their study provides on the mechanics of fluidization, and also for the part gas bubbles play in gas-solids coming into contact in fluidized beds. How gas bubbles form in fluidized beds is, however, largely unknown.
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References
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HARRISON, D., LEUNG, L. Bubble Formation at an Orifice in a Fluidized Bed. Nature 190, 433–434 (1961). https://doi.org/10.1038/190433a0
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DOI: https://doi.org/10.1038/190433a0
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