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NUMERICAL SIMULATION OF 3-D FLUID FLOW AND HEAT TRANSFER IN CHAMBER CAR-HEARTH FURNACE

Miroslav Jicha
Brno University of Technology, Faculty of Mechanical Engineering, Department of the thermodynamics and environmental engineering, Technická 2896/2, 616 69 Brno, Czech Republic

P. Vacenovsky
Dept of Thermomechanics, Faculty of Mechanical Engineering, Technical University, Technicka 2,61669 Brno, Czechoslovakia

Sinopsis

In the paper the transient heating of the slab of cast iron in the chamber car-hearth furnace is solved. The heating of the slab is divided into three periods - heating up to approx.750°C − soaking period during which the whole slab reaches the uniform temperature − heating up to approx.1050°C. The heating is solved as a conjugate heat transfer problem, solving the complex conduction, convection and radiation mechanisms. Numerical procedure is based on SIMPLE algorithm. As a result of the solution, the power and number of operating burners are proposed for each of three heating periods.

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