Numerical Simulation of Magnetic Field and Flow Field of Slab under Composite Magnetic Field
<p>Mesh of the computational domain for (<b>a</b>) magnetic field; (<b>b</b>) flow field.</p> "> Figure 2
<p>Structure of composite magnetic field. (<b>a</b>) Wide face side view; (<b>b</b>) narrow face side view.</p> "> Figure 3
<p>(<b>a</b>) Contour plot of the magnetic flux density in the mold under EMS only; distribution of the magnetic flux intensity at (<b>b</b>) ab and cd lines and (<b>c</b>) ef and gh lines.</p> "> Figure 4
<p>(<b>a</b>) The vector and (<b>b</b>) the magnitude of time average electromagnetic force at the section 50 mm below the meniscus of the mold.</p> "> Figure 4 Cont.
<p>(<b>a</b>) The vector and (<b>b</b>) the magnitude of time average electromagnetic force at the section 50 mm below the meniscus of the mold.</p> "> Figure 5
<p>(<b>a</b>) Contour plot of the magnetic flux density in the mold under EMBr only; distribution of magnetic flux intensity at different positions of wide central section of mold (Time = 0). (<b>b</b>) ab and cd line; (<b>c</b>) ef and gh line.</p> "> Figure 5 Cont.
<p>(<b>a</b>) Contour plot of the magnetic flux density in the mold under EMBr only; distribution of magnetic flux intensity at different positions of wide central section of mold (Time = 0). (<b>b</b>) ab and cd line; (<b>c</b>) ef and gh line.</p> "> Figure 6
<p>Velocity contour of wide central section of mold (<b>a</b>) 0-0-0; (<b>b</b>) 0-0-240; (<b>c</b>) 150-4-0; and (<b>d</b>) 150-4-240. (<b>e</b>) Velocity distribution in <span class="html-italic">Z</span>-direction at the vertical centerline of the near narrow face.</p> "> Figure 7
<p>Contour and vector of velocity at 10 mm section below meniscus. (<b>a</b>) 0-0-0; (<b>b</b>) 0-0-240; (<b>c</b>) 150-4-0; (<b>d</b>) 150-4-240.</p> "> Figure 8
<p>Contour of turbulent kinetic energy at 10 mm section below meniscus. (<b>a</b>) 0-0-0; (<b>b</b>) 0-0-240; (<b>c</b>) 150-4-0; (<b>d</b>) 150-4-240.</p> "> Figure 9
<p>Velocity vector and turbulent kinetic energy contour at 5 mm on narrow face. (<b>a</b>) 0-0-0; (<b>b</b>) 0-0-240; (<b>c</b>) 150-4-0; (<b>d</b>) 150-4-240; (<b>e</b>) turbulent kinetic energy at the center line of narrow plane.</p> "> Figure 9 Cont.
<p>Velocity vector and turbulent kinetic energy contour at 5 mm on narrow face. (<b>a</b>) 0-0-0; (<b>b</b>) 0-0-240; (<b>c</b>) 150-4-0; (<b>d</b>) 150-4-240; (<b>e</b>) turbulent kinetic energy at the center line of narrow plane.</p> "> Figure 10
<p>(<b>a</b>) Experimental device; (<b>b</b>) verification of magnetic field numerical simulation results and experimental measurements; (<b>c</b>) flow velocity’s contrast on mold of composite magnetic field between experiment and simulation.</p> ">
Abstract
:1. Introduction
2. Mathematical Modeling
2.1. Electromagnetic Force Equations
2.2. Turbulence Model
2.3. Mesh and Boundary Conditions
2.4. Calculation Process
3. Results
3.1. Electromagnetic Field Simulation
3.2. Flow Field Simulation
3.3. Experimental Verification
4. Conclusions
Author Contributions
Funding
Data Availability Statement
Acknowledgments
Conflicts of Interest
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Parameters | Values |
---|---|
Domain width | 1750 mm |
Domain length | 3000 mm |
Domain thickness | 230 mm |
Molten steel conductivity | 7.14 × 105 S/m |
Coil electric conductivity | 6.25 × 107 S/m |
Molten steel density | 7020 kg/m3 |
Molten steel viscosity | 0.0062 kg/m·s |
Casting speed | 1.0 m/min |
SEN submerged depth | 300 mm |
EMS current intensity | 150 A |
EMBr current intensity | 240 A |
AC frequency | 4 Hz |
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Su, Z.; Wei, R.; Du, Y.; Fan, W.; Chen, J. Numerical Simulation of Magnetic Field and Flow Field of Slab under Composite Magnetic Field. Metals 2023, 13, 1237. https://doi.org/10.3390/met13071237
Su Z, Wei R, Du Y, Fan W, Chen J. Numerical Simulation of Magnetic Field and Flow Field of Slab under Composite Magnetic Field. Metals. 2023; 13(7):1237. https://doi.org/10.3390/met13071237
Chicago/Turabian StyleSu, Zhijian, Ren Wei, Yida Du, Wei Fan, and Jin Chen. 2023. "Numerical Simulation of Magnetic Field and Flow Field of Slab under Composite Magnetic Field" Metals 13, no. 7: 1237. https://doi.org/10.3390/met13071237