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| Content Provider | IET Digital Library |
|---|---|
| Author | Wang, Zhen Wang, Ninghui |
| Abstract | In order to improve understanding the melt convection in an electro-fused magnesia furnace, a three-dimensional finite-element method based model of the furnace is presented. Electromagnetic stirring and buoyancy effects are both considered in three typical cases with different bath sizes. Dimensionless parameters including Reynolds number, Richardson number, and Prandtl number are adopted to characterise the melt convection. The Reynolds number indicates that the convection is fully turbulent in the three cases, and the numerical results reveal that the flow and temperature fields are both significantly influenced by the line current. According to the calculated Richardson number, neither nature nor forced convection is negligible in all cases. The buoyancy becomes more crucial when the bath volume grows and the current decreases, and the magnetic stirring becomes more crucial when the bath volume shrinks and the current increases. The quantitative analysis of the line resistance of the bath indicates that it is more easily influenced by the bath radius than the bath height. |
| Starting Page | 701 |
| Ending Page | 707 |
| Page Count | 7 |
| ISSN | 17518660 |
| Volume Number | 12 |
| e-ISSN | 17518679 |
| Issue Number | Issue 5, May (2018) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/iet-epa/12/5 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/iet-epa.2017.0652 |
| Journal | IET Electric Power Applications |
| Publisher Date | 2018-03-13 |
| Access Restriction | Open |
| Rights Holder | © The Institution of Engineering and Technology |
| Subject Keyword | AC Electro-fused Magnesia Furnace Aerodynamics Applied Fluid Mechanics Bath Sizes Bath Volume Shrinks Buoyancy Buoyancy And Other Flows Involving Body Forces Buoyancy Effects Computational Method Convection And Heat Transfer Electromagnetic Stirring Finite Element Analysis Flow Field Fluid Mechanics Forced Convection Furnaces General Fluid Dynamics Theory Heat And Thermodynamic Processes Magnesium Compound Magnetohydrodynamics Magnetohydrodynamics And Electrohydrodynamics Mechanical Engineering Melt Convection MgO MgO Production Natural Convection Nature Convection Numerical Analysis Numerical Approximation And Analysis Numerical Simulation Prandtl Number Production Equipment Reynolds Number Richardson Number Rotational Flow Simulation Temperature Field Three-dimensional Finite-element Method Based Model Turbulence Vortices |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electrical and Electronic Engineering |
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