A three-dimensional mathematical model of electromagnetic casting and testing against a physical model: Part II. Results from a physical model and testing of the mathematical model

Cook, Daniel P.; Nishioka, Shin-ichi

doi:10.1007/bf02654012

Cited by 10 publications

(5 citation statements)

References 4 publications

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“…[24,25] A nonconducting liquid, such as water, cannot be subjected to electromagnetic forces. Fortunately, these forces and the resulting flows are confined (skin effect) to the periphery of the sump where the inductor is located.…”

Section: A the Physical Modelmentioning

confidence: 99%

The use of particle image velocimetry in the physical modeling of flow in electromagnetic or direct-chill casting of aluminum: Part I. Development of the physical model

Jones

1998

Metall Mater Trans B

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This article describes the development of a physical (water) model for examining flows in the liquid metal pool, at the head of an electromagnetic (EM) or direct-chill (DC) caster for aluminum, that are driven by the inflow of liquid metal. Also described is a particle image velocimetry (PIV) system developed for measuring the flows; the system dispenses with the laser usually required for PIV. Flows in the model were found to be unsteady, but ensemble averaging yielded flow patterns that conformed to expectations and velocities that can be compared to the time-averaged velocities (TAVs) of mathematical models. Some representative results are presented (with more extensive results to be included in a subsequent Part II of this article) showing that the design of the metal delivery system has a great effect on the flows.

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Section: A the Physical Modelmentioning

confidence: 99%

The use of particle image velocimetry in the physical modeling of flow in electromagnetic or direct-chill casting of aluminum: Part I. Development of the physical model

Jones

1998

Metall Mater Trans B

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“…The reader is referred to recent papers [2][3][4][5] for a longer discussion of prior work on electromagnetic casting of aluminum. Much of that work, and other work on the interaction of alternating fields with molten metals, has been on the support of the metal free surface (e.g.…”

Section: Previous Investigationsmentioning

confidence: 99%

Development of a Three Dimensional Mathematical Model of the Electromagnetic Casting of Steel.

Kageyama

2002

ISIJ International

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“…Eddy currents have a reasonable sensitivity to continuous and discontinuous changes in metals. Applications of eddy currents in the casting of molten metal can be found in [5,6] and the more recent work [7]. To our knowledge, applying eddy currents for imaging metal solidification has not been reported before in the literature, except in the one-dimensional case [5].…”

Section: Introductionmentioning

confidence: 97%

Imaging the solidification of molten metal by eddy currents: II

2000

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This paper presents an eddy-current-based technique for imaging the solidification of molten metal inside a metal pipe. This technique is motivated by the fact that the ac (alternating current) impedance seen from a solenoid placed outside the pipe is dependent on the distribution of the solidification inside the pipe provided that the ac frequency is properly chosen and the overall thickness of the pipe and solidification is small. This paper first establishes a simplified mathematical model based on the fundamental electromagnetic theory, which reveals the exact relationship between the solidification inside the pipe and the scattered field outside the pipe. Based on this model, an iterative algorithm for reconstructing the solidification distribution is then developed.

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A three-dimensional mathematical model of electromagnetic casting and testing against a physical model: Part II. Results from a physical model and testing of the mathematical model

Cited by 10 publications

References 4 publications

The use of particle image velocimetry in the physical modeling of flow in electromagnetic or direct-chill casting of aluminum: Part I. Development of the physical model

The use of particle image velocimetry in the physical modeling of flow in electromagnetic or direct-chill casting of aluminum: Part I. Development of the physical model

Development of a Three Dimensional Mathematical Model of the Electromagnetic Casting of Steel.

Imaging the solidification of molten metal by eddy currents: II

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