Multiphase fluid flow involving solidification is common in many industrial processes such as extrusion, continuous casting, drawing, etc. The present study concentrates on the study of air gap formation due to metal shrinkage on the interfacial heat transfer of a continuous casting mold. Enthalpy method was employed to model the solidification of continuously moving metal. The effect of basic process parameters mainly superheat, withdrawal velocity, mold cooling rate and the post mold cooling rate on the heat transfer was studied. The results of cases run with air gap formation were also compared with those without air gap formation to understand the phenomenon comprehensively. The current study shows that there exists a limiting value of Pe above which the effect of air gap formation on the overall heat transfer is negligible.
Conjugate Heat Transfer and Effects of Interfacial Heat Flux During the Solidification Process of Continuous Castings
Contributed by the Heat Transfer Division for publication in the JOURNAL OF HEAT TRANSFER. Manuscript received by the Heat Transfer Division May 2, 2002; revision received October 28, 2002. Associate Editor: C. Amon.
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Amin, M. R., and Gawas, N. L. (March 21, 2003). "Conjugate Heat Transfer and Effects of Interfacial Heat Flux During the Solidification Process of Continuous Castings ." ASME. J. Heat Transfer. April 2003; 125(2): 339–348. https://doi.org/10.1115/1.1560146
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