Author： Kotrbacek P. Raudensky M. Horsky J. Pohanka M.
Publisher： Edp Sciences
E-ISSN： 1156-3141|103|7-8|333-341
ISSN： 0035-1563
Source： Revue de Métallurgie, Vol.103, Iss.7-8, 2006-08, pp. : 333-341
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Abstract
The cooling of working rolls is a critical factor of the hot rolling process,to limit roll surface wear and to control roll thermal deformation.An inverse heat conduction approach and an experimentalmethod for measurement of heat transfer coefficient are presented.Heat transfer in the sprayed area is dependent on a large number offactors, such as surface temperature, roll velocity, local pressure,coolant jets inclination and interference of multiple sprays. The experimentalapproach is the only reliable method to get a precise descriptionof the cooling of industrial working rolls.
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