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A New Experimental Design to Study the Kinetics of Solid Dissolution into Liquids at Elevated Temperature
KTH, Skolan för industriell teknik och management (ITM), Materialvetenskap.
KTH, Skolan för industriell teknik och management (ITM), Materialvetenskap.
KTH, Skolan för industriell teknik och management (ITM), Materialvetenskap.ORCID-id: 0000-0002-3548-8638
2018 (engelsk)Inngår i: Metallurgical and materials transactions. B, process metallurgy and materials processing science, ISSN 1073-5615, E-ISSN 1543-1916, Vol. 49, nr 2, s. 688-698Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

A new method was developed to study the dissolution of a solid cylinder in a liquid under forced convection at elevated temperature. In the new design, a rotating cylinder was placed concentrically in a crucible fabricated by boring four holes into a blank material for creating an internal volume with a quatrefoil profile. A strong flow in the radial direction in the liquid was created, which was evidently shown by computational fluid dynamic (CFD) calculations and experiments at both room temperature and elevated temperature. The new setup was able to freeze the sample as it was at experimental temperature, particularly the interface between the solid and the liquid. This freezing was necessary to obtain reliable information for understanding the reaction mechanism. This was exemplified by the study of dissolution of a refractory in liquid slag. The absence of flow in the radial direction in the traditional setup using a symmetrical cylinder was also discussed. The differences in the findings by past investigators using the symmetrical cylinder are most likely due to the extent of misalignment of the cylinder in the containment vessel.

sted, utgiver, år, opplag, sider
Springer, 2018. Vol. 49, nr 2, s. 688-698
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URN: urn:nbn:se:kth:diva-225051DOI: 10.1007/s11663-018-1196-9ISI: 000426808500021Scopus ID: 2-s2.0-85046935166OAI: oai:DiVA.org:kth-225051DiVA, id: diva2:1194036
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QC 20180328

Tilgjengelig fra: 2018-03-28 Laget: 2018-03-28 Sist oppdatert: 2018-10-16bibliografisk kontrollert

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