Wave motion of porous particles in a pulsating gas flow in the presence of heat and mass transfer with deepening of the evaporation zone |
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Authors: | P V Akulich |
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Affiliation: | (1) A. V. Luikov Heat and Mass Transfer Institute, National Academy of Sciences of Belarus, 15 P. Brovka Str., Minsk, 220072, Belarus |
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Abstract: | Based on numerical solution of the dynamics equations of a monodisperse gas suspension with allowance for the interphase forces
of aerodynamic drag, virtual masses, and the forces caused by nonstationary effects around particles, the influence of different
forms of low-frequency harmonic and anharmonic oscillations of the gas on the motion of porous particles in the presence of
heat and mass transfer accompanied by deepening of the evaporation zone has been investigated. The dependences of the solid-phase
motion, kinetics of evaporation-zone deepening, and heat and mass transfer on the parameters of gas oscillations have been
established. It is shown that on removal of free moisture, oscillations at certain parameters lead to enhancement of interphase
heat and mass transfer.
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Translated from Inzhenerno-Fizicheskii Zhurnal, Vol. 70, No. 5, pp. 11–19, September–October 2006. |
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