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Title: Solidification within a spherical enclosure including effects of natural convection
Authors: Macias-Machin, A.
Winter, G. 
Ferragut, L.
Wannenmacher, N.
UNESCO Clasification: 1206 Análisis numérico
120326 Simulación
Issue Date: 1993
Journal: Experimental Heat Transfer 
Abstract: This article investigates the thermal performance of the solidification process within a spherical enclosure including effects of natural convection. First, an experimental apparatus utilizing a copper ball filled with octadecane was designed and constructed. Experimental data of temperature profiles was obtained using different coolant temperatures (20, 10, and 0°C), and a numerical analysis using the finite-element method was developed to solve natural-conveclive heat transfer problems with phase change to predict the temperature distribution and phase-front location variation with time. For the solidification process there is substantial agreement between the predictions and the experimental values when initial superheating and lower solidification temperatures exist.
ISSN: 0891-6152
DOI: 10.1080/08916159308946462
Source: Experimental Heat Transfer [ISSN 0891-6152], v. 6 (4), p. 315-327
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