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Effect of Ar/O-2 gas mixtures on heat-transfer and fluid-flow characteristics in AOD nozzles
KTH, Tidigare Institutioner, Tillämpad processmetallurgi.ORCID-id: 0000-0003-1919-9964
KTH, Skolan för industriell teknik och management (ITM), Materialvetenskap, Tillämpad processmetallurgi.
KTH, Skolan för industriell teknik och management (ITM), Materialvetenskap, Tillämpad processmetallurgi.
2000 (engelsk)Inngår i: Steel research, ISSN 0177-4832, Vol. 71, nr 11, s. 429-434Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

A model of fluid flow and heat transfer in a nozzle used for injection of argon and oxygen in AOD converters was developed earlier. In this study the model was used to determine the effect of changes in the ratio of argon to oxygen in argon-oxygen gas mixtures injected through the nozzle on fluid flow and heat transfer. It was found, for the studied conditions, that the temperature and laminar kinematic viscosity at the nozzle outlet were not dependent on the gas composition. However, the velocity, density, turbulent kinetic energy and dissipation of kinetic energy varied with a change in the fraction of oxygen injected. It is therefore concluded that for use as boundary-condition input data for an AOD converter model (under development), it is important to be able to calculate reliable velocity and turbulence parameter data for gas mixtures of different argon/oxygen ratios.

sted, utgiver, år, opplag, sider
2000. Vol. 71, nr 11, s. 429-434
HSV kategori
Identifikatorer
URN: urn:nbn:se:kth:diva-20286ISI: 000166394300001OAI: oai:DiVA.org:kth-20286DiVA, id: diva2:338980
Merknad

QC 20100525

NR 20140804Tilgjengelig fra: 2010-08-10 Laget: 2010-08-10 Sist oppdatert: 2017-12-12bibliografisk kontrollert
Inngår i avhandling
1. Modeling of fluid flow and heat transfer characteristics in AOD nozzles
Åpne denne publikasjonen i ny fane eller vindu >>Modeling of fluid flow and heat transfer characteristics in AOD nozzles
2000 (engelsk)Licentiatavhandling, med artikler (Annet vitenskapelig)
sted, utgiver, år, opplag, sider
Stockholm: KTH, 2000. s. iv, 23
Serie
Trita-MET ; 076
HSV kategori
Identifikatorer
urn:nbn:se:kth:diva-1104 (URN)KTH/MET/R--00/76--SE (ISRN)
Merknad
QC 20100916Tilgjengelig fra: 2000-09-26 Laget: 2000-09-26 Sist oppdatert: 2010-09-16bibliografisk kontrollert

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