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Modelling study of slag foaming phenomenon
KTH, Superseded Departments, Materials Science and Engineering.ORCID iD: 0000-0002-3548-8638
2000 (English)In: Steel research, ISSN 0177-4832, Vol. 71, no 3, 76-82 p.Article in journal (Refereed) Published
Abstract [en]

A one-dimensional model based on mass and momentum conservations has been developed to predict the heights of foams caused by gas injection. In the development of the model, a dimensionless number, N-foam = u(s)[(3C(d))/(4d(b)g)](1/2) has been deduced to characterise the foaming behaviour. According to the model, an increase in this dimensionless number results in an increase In foaming height. The validity of the model has been experimentally examined using silicon oils. The experiments have also shown that foamings can be classified into two types, namely one-layer foaming and two-layer foaming. The former type results in much larger height than the latter.

Place, publisher, year, edition, pages
2000. Vol. 71, no 3, 76-82 p.
Keyword [en]
cao-sio2-feo slags, size
Identifiers
URN: urn:nbn:se:kth:diva-19829ISI: 000087623600004OAI: oai:DiVA.org:kth-19829DiVA: diva2:338521
Note
QC 20100525Available from: 2010-08-10 Created: 2010-08-10 Last updated: 2017-12-12Bibliographically approved

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Sichen, Du

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