Abstract
An approximate solution is obtained to the problem of the motion and growth of a spherical bubble in a fluidized bed of particles of sufficiently large dimension, i.e., taking account of a nonlinear law of interphase interaction. A system of ordinary differential equations is obtained for the radius of a bubble and the rate of its ascent depending on the time, and the laws of its growth are found in the case where the dimensions differ only slightly from “equilibrium,” corresponding to a rise of the bubble without a change in its volume, and in the case where the radius of the bubble considerably exceeds the equilibrium (the latter, as a rule, occurs when the rate of ascent considerably exceeds the rate of fluidization).
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Translated from Izvestiya Akademii Nauk SSSR, Mekhanika Zhidkosti i Gaza, No. 6, pp. 66–73, November–December, 1977.
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Gupalo, Y.P., Ryazantsev, Y.S. & Sergeev, Y.A. Growth of bubbles in a fluidized bed with a nonlinear interphase interaction. Fluid Dyn 12, 870–877 (1977). https://doi.org/10.1007/BF01090321
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DOI: https://doi.org/10.1007/BF01090321