CHARACTERISTIC FEATURES OF TRANSFER PROCESSES IN POLYDISPERSE BEDS ON FULL AND PARTIAL FLUIDIZATION

被引：4

作者：

Teplitskii, Yu. S. ^{[1
]}

Kovenskii, V. I. ^{[1
]}

机构：

[1] Natl Acad Sci Belarus, AV Luikov Heat & Mass Transfer Inst, 15 P Brovka Str, Minsk 220072, BELARUS

来源：

JOURNAL OF ENGINEERING PHYSICS AND THERMOPHYSICS | 2009年 / 82卷 / 03期

关键词：

polydisperse bubbling bed; full and partial fluidization; bed restrained by a spherical packing; full fluidization velocity; equivalent diameter of particles;

D O I：

10.1007/s10891-009-0224-7

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

Based on the analysis of the processes of full and partial fluidization of a mixture of particles of wide fractional composition, it is shown that the equivalent diameters of particles of a bubbling and fixed beds that form a partially fluidized disperse system constitute hydrodynamic quantities that depend on the velocity of gas percolation and are determined by the Lyashchenko number. An apparatus of the similarity theory of various modifications has been formulated for modeling transport processes in fully and partially fluidized polydisperse beds, including that restrained by a spherical packing.

引用

页码：513 / 521

页数：9

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