발간논문

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Vol.33, No.7, 942 ~ 951, 1995
Title
Analysis of Heat Transfer and Thermal Stress During Two - Dimensional Solidification of a Pure Metal (1) - Heat Transfer Analysis -
황기영Ki Young Hwang, 이진호Jin Ho Lee
Abstract
Solidification of an initially superheated aluminum filled within a rectangular cavity is numerically studied. Emphasized is the influence of both volume contraction caused by solid-liquid density change and natural convection in the melt. Difficulties associated with the complex time-dependent solid and liquid domains, whose shapes are also a part of the solutions, are overcome by employing the boundary-fitted coordinate system. Computed results are shown in forms of transient position of the interface, temperature distribution, flow pattern, Nusselt number, and solidification fraction with respect to time.
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