Visualization of Intermittent Splash with Gas Blowing from a Top Lance – Breakup of Cavity Surface Causing Intermittent Splash

This study aims to visualize an instantaneous event of intermittent splashing from a bath surface caused by gas blowing from a top lance. The visualization techniques include computational fluid dynamics (CFD) and an experimental procedure using a high-speed camera. A remarkable finding is the fact...

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Bibliographic Details
Published inISIJ International Vol. 60; no. 9; pp. 2118 - 2120
Main Authors Sato, Shingo, Okada, Jun, Ueda, Yoshiaki, Iguchi, Manabu
Format Journal Article
LanguageEnglish
Published The Iron and Steel Institute of Japan 15.09.2020
Subjects
CFD
gas jet
multiphase flow
splash
steelmaking
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Summary:This study aims to visualize an instantaneous event of intermittent splashing from a bath surface caused by gas blowing from a top lance. The visualization techniques include computational fluid dynamics (CFD) and an experimental procedure using a high-speed camera. A remarkable finding is the fact that the difference between the air pressure inside the cavity and hydrostatic pressure outside the cavity forms a constriction and causes a strong intermittent splash.
ISSN:0915-1559
1347-5460
DOI:10.2355/isijinternational.ISIJINT-2019-788