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A Numerical Study of Swirl Blade Effects in Uphill Teeming Casting
KTH, School of Industrial Engineering and Management (ITM), Materials Science and Engineering, Applied Process Metallurgy.
KTH, School of Industrial Engineering and Management (ITM), Materials Science and Engineering, Applied Process Metallurgy.
KTH, School of Industrial Engineering and Management (ITM), Materials Science and Engineering, Applied Process Metallurgy.ORCID iD: 0000-0003-1919-9964
KTH, School of Industrial Engineering and Management (ITM), Materials Science and Engineering, Applied Process Metallurgy.
2010 (English)In: ISIJ International, ISSN 0915-1559, E-ISSN 1347-5460, Vol. 50, no 12, 1756-1762 p.Article in journal (Refereed) Published
Abstract [en]

The initial filling period during ingot casting was studied theoretically The motivation was that it is crucial to achieve a preferred flow pattern which can lead to a smooth filling condition particularly during the initial teeming stage In this study a twist-tape swirl blade was applied in a mathematical model to create a swirl flow in the inlet of the mold The swirl blade was set vertically lust beneath the inlet which was made of a gradually divergent cross section area The results showed that combinations of the inlet swirl flow and mold with gradually divergent bottom contributes to 0 Inlet flow passes along the wall of the mold ii) the formation of a very uniform velocity distribution within only 6s after the molten steel filled into the mold and 10 No formation of a hump on the free surface of the mold during the entire filling times These phenomena will ensure that the mold flux is spread onto the surface of liquid steel evenly Besides the stable surface also prevents the mold flux from being dispersed into the molten steel

Place, publisher, year, edition, pages
2010. Vol. 50, no 12, 1756-1762 p.
Keyword [en]
swirl blade, flow pattern, velocity distributions, ingot casting, uphill teeming, numerical simulation
National Category
Metallurgy and Metallic Materials
Identifiers
URN: urn:nbn:se:kth:diva-30535ISI: 000285666400005Scopus ID: 2-s2.0-79952054888OAI: oai:DiVA.org:kth-30535DiVA: diva2:401772
Note
QC 20110303Available from: 2011-03-03 Created: 2011-02-28 Last updated: 2017-12-11Bibliographically approved

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