A Mathematical model has been developed to predict the temperature profile of the strip in the Run-out Table (ROT) of the Hot Strip Mill (HSM) at Tata Steel, India. The prediction of temperature profile across the thickness of the strip shows good results. A simple correlation for heat transfer coefficient has emerged from this study. A polynomial as a function of strip surface temperature has been found to represent the heat transfer coefficient at water-strip interface accurately. The salient features of this paper are described as follows: 1) An off-line model has been developed to predict the through thickness temperature of the strip in the Run-out Table of a Hot Strip Mill. 2) The heat transfer coefficient at water-strip interface on the water-cooled zone over the bed of Run-out Table can be considered as a polynomial of strip surface temperature. Tests have been performed to validate the correlation of heat transfer coefficient against several thousand coils.
Numerical Simulation to Determine the Heat Transfer Coefficient in the Boiling Phenomenon of Run-Out Table of a Hot Strip Mill
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Sikdar, S, & Mukhopadhyay, A. "Numerical Simulation to Determine the Heat Transfer Coefficient in the Boiling Phenomenon of Run-Out Table of a Hot Strip Mill." Proceedings of the ASME/JSME 2003 4th Joint Fluids Summer Engineering Conference. Volume 1: Fora, Parts A, B, C, and D. Honolulu, Hawaii, USA. July 6–10, 2003. pp. 2197-2210. ASME. https://doi.org/10.1115/FEDSM2003-45444
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