Tetsu-to-Hagane
Online ISSN : 1883-2954
Print ISSN : 0021-1575
ISSN-L : 0021-1575
Regular Article
Basic Characteristics of a Swirl Motion of Bubbling Jet in a Cylindrical Vessel Accompanied by Particle Lifting
Toshihide FujikawaMasaharu FukueManabu Iguchi
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2009 Volume 95 Issue 6 Pages 515-521

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Abstract

A swirl motion of a bubbling jet in a cylindrical vessel is useful for bath mixing. This paper describes the mixing of small solid particles initially settled on the bottom of a water-filled cylindrical bath. The bubbling jet is generated by injecting air through a J-shaped lance placed on the bath centerline. Experiments are made on the patterns of swirl motion, the occurrence condition of the deep-water wave type swirl motion accompanied by lifted-up particles, the amplitude and the period of the swirl motion. The measured values are compared with empirical and theoretical equations proposed previously for the bottom blown bath.

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© 2009 The Iron and Steel Institute of Japan
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