Effect of Ar/O-2 gas mixtures on heat-transfer and fluid-flow characteristics in AOD nozzles
2000 (English)In: Steel research, ISSN 0177-4832, Vol. 71, no 11, 429-434 p.Article in journal (Refereed) Published
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.
Place, publisher, year, edition, pages
2000. Vol. 71, no 11, 429-434 p.
Metallurgy and Metallic Materials
IdentifiersURN: urn:nbn:se:kth:diva-20286ISI: 000166394300001OAI: oai:DiVA.org:kth-20286DiVA: diva2:338980
NR 201408042010-08-102010-08-102013-02-24Bibliographically approved