A Numerical Study on the Heating of a Cast Iron Slab in a Car-Hearth Furnace

[+] Author and Article Information
Miroslav Jicha

Dept of Mechanical Engineering, Technical University of Brno, 61669 Brno, Czech Republic

John C. Chai, Suhas V. Patankar

Dept of Mechanical Engineering, University of Minnesota, Minneapolis, MN 55455

J. Manuf. Sci. Eng 118(4), 667-671 (Nov 01, 1996) (5 pages) doi:10.1115/1.2831084 History: Received April 01, 1993; Revised September 01, 1994; Online January 17, 2008


A numerical study on the transient heating of a cast iron slab in a car-hearth furnace is presented. The influence of the direction of jets issuing from the burners on the velocity and temperature fields during the heating period was investigated. The standard k-ε turbulence model is used in the present study. It is found that the direction of the jets has a significant influence on the temperature distribution in the slab. It is also shown that inclined jets produce a more uniform temperature field and that the time needed for the slab to reach a predetermined temperature can be significantly reduced which results in the reduction of energy consumption.

Copyright © 1996 by The American Society of Mechanical Engineers
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