ISIJ International
Online ISSN : 1347-5460
Print ISSN : 0915-1559
ISSN-L : 0915-1559
Steelmaking
Prediction of Plunging Depth Induced by Top Lance Gas Blowing onto a Low-melting-point Metal Bath
Shingo Sato Makoto AndoJun OkadaYoshiaki UedaManabu Iguchi
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2020 Volume 60 Issue 8 Pages 1675-1683

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Abstract

Experimental and numerical investigations were carried out with a water bath and a low-melting-point metal bath to understand the cavity formation behavior induced by gas blowing from a top lance set in the near field of the bath surface. Cavity formation behavior was classified by the critical gas velocity for droplet formation. The depth of the cavity formed in the near field of the gas jet was reasonably predicted by numerical simulation. A new empirical equation for the cavity depth as a function of a modified Froude number was proposed.

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© 2020 by The Iron and Steel Institute of Japan
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