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Estimation of heat flux at metal-mold interface during solidification of cylindrical casting

Identifieur interne : 000485 ( Main/Exploration ); précédent : 000484; suivant : 000486

Estimation of heat flux at metal-mold interface during solidification of cylindrical casting

Auteurs : L. Q. Zhang [République populaire de Chine] ; R. J. Wang [République populaire de Chine]

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Abstract

For modeling solidification process of casting accurately, the correct information about the heat flux boundary condition is required. In this study, an inverse heat conduction model is established to determine the interfacial heat flux at metal-mold in the process of casting with a cylindrical geometry. The numerically calculated temperature is compared with the exact solution and simulation solution obtained by commercial software ProCAST to investigate the accuracy of forward heat conduction model. The analysis of calculated heat flux indicates that the inverse model may be taken as a feasible and effective tool for the estimation of the metal-mold interfacial heat flux during solidification of cylindrical casting.


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<term>Réaction métal moule</term>
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<div type="abstract" xml:lang="en">For modeling solidification process of casting accurately, the correct information about the heat flux boundary condition is required. In this study, an inverse heat conduction model is established to determine the interfacial heat flux at metal-mold in the process of casting with a cylindrical geometry. The numerically calculated temperature is compared with the exact solution and simulation solution obtained by commercial software ProCAST to investigate the accuracy of forward heat conduction model. The analysis of calculated heat flux indicates that the inverse model may be taken as a feasible and effective tool for the estimation of the metal-mold interfacial heat flux during solidification of cylindrical casting.</div>
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