Simulation of the solidification in a channel of a water-cooled glass flow

Brazilian Journal of Chemical Engineering. 2014;31(4):935-947 DOI 10.1590/0104-6632.20140314s00002789


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Journal Title: Brazilian Journal of Chemical Engineering

ISSN: 0104-6632 (Print); 1678-4383 (Online)

Publisher: Brazilian Society of Chemical Engineering

LCC Subject Category: Technology: Chemical technology: Chemical engineering

Country of publisher: Brazil

Language of fulltext: English

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G. E. Ovando Chacon (Instituto Tecnológico de Veracruz)
S. L. Ovando Chacon (Instituto Tecnológico de Tuxtla Gutiérrez)
J. C. Prince Avelino (Instituto Tecnológico de Veracruz)
A. Servin Martinez (Instituto Tecnológico de Veracruz)
J. A. Hernandez Zarate (Instituto Tecnológico de Veracruz)


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Time From Submission to Publication: 12 weeks


Abstract | Full Text

A computer simulation study of a laminar steady-state glass flow that exits from a channel cooled with water is reported. The simulations are carried out in a two-dimensional, Cartesian channel with a backward-facing step for three different angles of the step and different glass outflow velocities. We studied the interaction of the fluid dynamics, phase change and thermal behavior of the glass flow due to the heat that transfers to the cooling water through the wall of the channel. The temperature, streamline, phase change and pressure fields are obtained and analyzed for the glass flow. Moreover, the temperature increments of the cooling water are characterized. It is shown that, by reducing the glass outflow velocity, the solidification is enhanced; meanwhile, an increase of the step angle also improves the solidification of the glass flow.