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International Heat Transfer Conference 12

ISSN: 2377-424X (online)
ISSN: 2377-4371 (flashdrive)

The Three - Dimensional Computations of the Unsteady Flow and Thermal Fields in a Vertical Cylinder

Janusz S. Szmyd
Department of Fundamental Research in Energy Engineering, Faculty of Energy and Fuels, AGH University of Science and Technology, 30 Mickiewicza Avenue, 30059 Krakow, Poland

Marek Jaszczur
Department of Theoretical Metallurgy and Metallurgical Engineering University of Mining and Metallurgy, 30-059 Krakow, Poland

Hiroyuki Ozoe
Institute of Advanced Material Study, Kyushu University, Kasuga, Japan; and Key Laboratory of Multiphase Flow in Power Engineering, Xi'an Jiaotong University, Xi'an 710049, P. R. China

DOI: 10.1615/IHTC12.4970
7 pages

Abstract

Three-dimensional unsteady numerical computations were carried out for buoyancy driven convection of an oxide melt (Pr=10) and radiation from the free surface of the fluid in a vertical cylinder (like the Czochralski system just after seeding). The fluid was assumed to be incompressible, Newtonian and Boussinesq. Three-dimensional structures of the non-axisymmetric flow were investigated in the present study. The spoke pattern was formulated due to buoyancy effect.

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