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Meeting Liquid Metal Processing & Casting Conference (LMPC 2019)
Symposium Liquid Metal Processing & Casting
Presentation Title Numerical Prediction of the Interfacial Heat Transfer Coefficient for Permanent Mold Casting of Mg-Al Alloys
Author(s) Muhammad Umer Bilal, Norbert Hort
On-Site Speaker (Planned) Muhammad Umer Bilal
Abstract Scope Most Mg alloys are based on the Mg-Al system and casting is the commonly used production process for these alloys. Apart from many governing factors, a parameter of prime importance for the numerical simulation of casting is the interfacial heat transfer coefficient (IHTC). Principally, it quantifies the heat flux between casting and mold. The study aims towards finding the unknown boundary temperatures and flux from the experimental temperature measurements using the inverse methodology. The IHTC was predicted for a variety of Mg-Al alloys, which were cast using permanent cylindrical mold. Unidirectional heat flow was ensured in order to replicate the experimental conditions for solving the one-dimensional transient heat equation. The numerically determined mold temperature was in good agreement with the experimentally measured values. Moreover, the heat transfer behavior across the interface depicted in the form of IHTC is discussed, also various empirical and numerical aspects of the method are highlighted.
Proceedings Inclusion? Definite: At-meeting proceedings

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