Flow Visualization by Means of Contactless Inductive Flow Tomography in the Presence of a Magnetic Brake

In continuous casting DC magnetic fields perpendicular to the wide faces of the mold are used to control the flow in the mold. Especially in this case, even a rough knowledge of the flow structure in the mold would be highly desirable. The contactless inductive flow tomography (CIFT) allows to recon...

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Bibliographic Details
Published in:Journal for Manufacturing Science and Production 2015-03, Vol.15 (1), p.41-48
Main Authors: Ratajczak, Matthias, Wondrak, Thomas, Timmel, Klaus, Stefani, Frank, Eckert, Sven
Format: Article
Language:English
Subjects:
07.55.Ge
47.80.Jk
47.85.M
Analysis
contactless inductive flow tomography
Continuous casting
Flow control
flow measurement
Integrals
Magnetic fields
Measurement techniques
Process controls
Production methods
Reynolds number
Sensors
Studies
Tomography
Velocity
Visualization
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Summary:In continuous casting DC magnetic fields perpendicular to the wide faces of the mold are used to control the flow in the mold. Especially in this case, even a rough knowledge of the flow structure in the mold would be highly desirable. The contactless inductive flow tomography (CIFT) allows to reconstruct the dominating two-dimensional flow structure in a slab casting mold by applying one external magnetic field and by measuring the flow-induced magnetic fields outside the mold. For a physical model of a mold with a cross section of 140 mm×35 mm we present preliminary measurements of the flow field in the mold in the presence of a magnetic brake. In addition, we show first reconstructions of the flow field in a mold with the cross section of 400 mm×100 mm demonstrating the upward scalability of CIFT.
ISSN:2191-4184
0793-6648
2191-0375
DOI:10.1515/jmsp-2014-0037