Abstract
The ability to predict fluid flow in processes in the steel industryis very advantageous for the development of new processes and the optimisation of existing processes. The development of a general two dimensional model of single phase fluid flow and the development of a three dimensional model to deal with electromagnetic stirring of liquid metal applied to a simple geometry is described. At all stages the mathematical model predictions are verified against results obtained by physical models whenever it has been possible and economical to do so.
Chapter 1 describes some of the early work on the electromagnetic stirring of liquid metal which is applied throughout the steel industry.
Chapter 2 describes the methods of solution of the Navier - Stokes equations using the vorticity stream function formulation. The inclusion of two models of turbulence is also described and the model is then applied to a number of problems such as electromagnetic stirring and bath agitation in a basic oxygen steel making vessel.
Chapter 3 makes use of a marker and cell code in order to solve the Navier - Stokes equations directly and is then applied to a new process currently under investigation: that of an electromagnetic brake which could be used to control the flow of liquid steel onto a horizontal conveyor.
Finally, Chapter 4 makes use of the methods developed in Chapter 3
to investigate electromagnetic stirring in three dimensions.
It is concluded that there is still a great deal of further research to be carried out with mathematical models within the steel industry. Further research would be the inclusion of heat transfer in the existing models and the development of two phase flow.
| Date of Award | 1 Nov 1986 |
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| Original language | English |
| Awarding Institution |
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| Supervisor | AW Bush (Supervisor) |