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Effect of nozzle tilting on splashing in jet wiping

Published online by Cambridge University Press:  26 July 2005

M. Dubois ,
J.-M. Buchlin ,
A. Gosset  and
V. Perrot
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Abstract

A physical limit to the galvanizing speed exists over which the liquid film explodes completely and prevents any further wiping. This limit is presently estimated around 180-200 m/min. A dimensionless approach including the Weber and Reynolds numbers is proposed to be able to predict the occurrence of the phenomenon. Practically it comes out that nozzles tilted by 30° down to the pot can pushback the limit by 30 %. A maximal line speed around 220 m/min could thus be reached.

Type
Research Article
Information
Metallurgical Research & Technology , Volume 102 , Issue 6: Coulée continueHaut-FourneauEnvironnementContrôle de la qualitéGalvanisation , June 2005 , pp. 463 - 469
Copyright
© La Revue de Métallurgie, 2005

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