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Analysis of heat transfer in hot rolled coils for optimum condition of forced cooling

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Abstract

A new equation was proposed to investigate the heat transfer in the hot rolled coils by taking account of the variation of contact between coiled layers. The proposed equation was represented by the equivalent radial thermal conductivity as a function of radial normal pressure. It was found that the analytical results were in good agreement with the experimental data. The cooling times of the hot rolled coils of various dimensions cooled by air or water have been calculated by using the proposed equation. It was shown by finite element analyses that the cooling time was decreased from 32–53 hours to 6–13 hours for spray water cooling.

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Baik, S.C., Kwon, O., Park, SJ. et al. Analysis of heat transfer in hot rolled coils for optimum condition of forced cooling. Metals and Materials 5, 369–375 (1999). https://doi.org/10.1007/BF03187760

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  • DOI: https://doi.org/10.1007/BF03187760

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