2017
DOI: 10.3390/met7040146
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The Effects of a Submerged Entry Nozzle on Flow and Initial Solidification in a Continuous Casting Bloom Mold with Electromagnetic Stirring

Abstract: Abstract:The melt flow, level fluctuation, temperature field, and solidification behavior coupled with electromagnetic stirring (EMS) effects in the continuous casting mold region of U71Mn steel bloom were numerically analyzed by commercial computational fluid dynamics (CFD) software named ANSYS FLUENT. The effects of submerged entry nozzle (SEN) structures and the installation methods for optimized four-port SEN on the flow pattern, level fluctuation, heat transfer and initial solidification behavior in a blo… Show more

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Cited by 38 publications
(56 citation statements)
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“…Consequently, there appears to be some uncertainty as to what should be the correct boundary condition in this situation: indeed, McKee et al [10] followed Moffatt [11] in initially assuming that both the normal and tangential components of the magnetic flux density are required as boundary conditions, only to ultimately just use the latter. Moreover, the fact that the expressions for the components of the Lorentz force for round billets [2,7] and for rectangular strands [3] have been cited and used on numerous occasions since, even up to the present day, [9,[12][13][14][15][16][17][18][19] suggests that a resolution of the issue is timely.…”
Section: Introductionmentioning
confidence: 99%
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“…Consequently, there appears to be some uncertainty as to what should be the correct boundary condition in this situation: indeed, McKee et al [10] followed Moffatt [11] in initially assuming that both the normal and tangential components of the magnetic flux density are required as boundary conditions, only to ultimately just use the latter. Moreover, the fact that the expressions for the components of the Lorentz force for round billets [2,7] and for rectangular strands [3] have been cited and used on numerous occasions since, even up to the present day, [9,[12][13][14][15][16][17][18][19] suggests that a resolution of the issue is timely.…”
Section: Introductionmentioning
confidence: 99%
“…To obtain adequate data for this, it may in practice mean using a Hall probe magnetometer to make measurements of the magnetic field at a point or points in the space between the outer surface of the steel strand and the periodic winding of the inductor on an iron comb, [2,3,7] or a Gauss meter [8,9] ; indeed, measurements acquired in the former way were used as the basis for prescribing the normal component of the magnetic flux density at the surface of the strand. However, some time later, and in a mathematically related problem, McKee et al [10] prescribed the tangential component in their model for particle tracking within a turbulent cylindrical electromagnetically driven steel melt.…”
Section: Introductionmentioning
confidence: 99%
“…In previous works, many flow‐related characteristics with M‐EMS are performed without considering solidification process. The influence of solidified shell growth on the fluctuation of slag‐metal interface is still unclear.…”
Section: Resultsmentioning
confidence: 99%
“…The force FT in Equation is calculated by: FT=true{leftcenter2σslρmCslαk/true(ρl+ρstrue) for: slag(s)metal(l) interfacecenter2σsgρmCsgαk/true(ρs+ρgtrue) for: slag(s)air(g) interface where σsl and σsg are the surface tension coefficient for slag‐metal interface and slag‐air interface, ρl, ρs and ρg are the density of steel, slag and the air. Csl and Csg are the curvature of the slag‐metal and slag‐air interface.…”
Section: Mathematical Modelingmentioning
confidence: 99%
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