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To obtain a high-response electromagnetic sensor, the mechanism of shield effect is made clear, where the copper shield is arranged between the primary coil and the secondary coil. To estimate it, a new index is introduced as a ratio of effective magnetic flux among the magnetic flux linked to the secondary coil. According to the numerical calculation, the insertion of the copper shield makes the...
The authors investigate the effects of double-axis electromagnetic stirring (DAEMS) in continuous casting process, which is composed of a rotational electromagnetic stirrer and a vertical electromagnetic stirrer, using unsteady 3-D hydrodynamic calculation of the molten gallium model. To evaluate the free-surface stability, averaged standard deviation of the free surface is calculated. From the calculation...
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