ISIJ International
Online ISSN : 1347-5460
Print ISSN : 0915-1559
ISSN-L : 0915-1559
A New Probe for Directly Measuring Flow Velocity in a Continuous Casting Mold
Manabu IguchiHirotoshi KawabataToshihiro OguraAtsushi HayashiYukio Terauchi
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1996 Volume 36 Issue Suppl Pages S190-S193

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Abstract

The control of molten steel flow in continuous casting molds is essential to increase the casting speed and produce clean steel. This requires accurate calculation of the velocity of the molten steel flow. Since there is no reliable velocimeter, water model experiments and numerical simulations have been carried out to predict this velocity, however, no experimental confirmation of such predictions has been made in a practical situation. In this study we developed a probe capable of measuring the velocity of a molten steel flow. The measurement principle is based on the linear relation between the shedding frequency of Kármán's vortex streets generated behind a circular cylinder and the velocity of fluid flow approaching the cylinder. The fluid flow velocity can be determined by measuring the oscillation frequency of the cylinder because the cylinder oscillates at the same frequency as the shedding frequency of Kármán's vortex streets.

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© The Iron and Steel Institute of Japan
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