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Hydraulic descaling improvement, findings of jet structureon water hammer effect

Published online by Cambridge University Press:  28 February 2007

M. Raudensky ,
A. Horak ,
J. Horsky ,
M. Pohanka  and
P. Kotrbacek
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Abstract

New dynamic features of the descaling process are reported, referring to the continuous water jet formed by the descaling nozzle in particular. A water jet is formed by clusters of droplets moving at high velocity. In the impact area, pressure peaks of several hundred MPa, lasting microseconds per peak are observed: this is described as the “water hammer” effect. This finding modifies most existing concepts of descaling and the impact on current theory is discussed.

Type
Research Article
Information
Metallurgical Research & Technology , Volume 104 , Issue 2: AciérieCoulée continueLaminage à chaudUtilisation de l'acier , February 2007 , pp. 84 - 90
Copyright
© La Revue de Métallurgie, 2007

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