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Analysis of Molten Metal Distribution in the Mold of a Horizontal Centrifugal Casting

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Document pages: 11 pages

Abstract: It is numerically studied the influence of the angular velocity, themolten metal viscosity, and the mold wall roughness on the molten metaldistribution in the mold of a horizontal centrifugal casting process. Theundesirable raining phenomenon sometimes arises in horizontal centrifugalcasting. It occurs when the molten metal rains or falls from the top of themold to the bottom while the mold is rotating. Using Computational FluidDynamics simulations, the conditions for the emergence of the rainingphenomenon were explored in this work. For the system considered, angularvelocities less than 77 rad s cause the emergence of the raining phenomenon andaccumulation of the molten metal in the lower part of the mold, whereas angularvelocities greater than 77 rad s produce a constant thickness of the moltenmetal and prevent raining.

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