Abstract
It is numerically studied the influence of the angular velocity, the molten metal viscosity, and the mold wall roughness on the molten metal distribution in the mold of a horizontal centrifugal casting process. The undesirable raining phenomenon sometimes arises in horizontal centrifugal casting. It occurs when the molten metal rains or falls from the top of the mold to the bottom while the mold is rotating. Using Computational Fluid Dynamics simulations, the conditions for the emergence of the raining phenomenon were explored in this work. For the system considered, angular velocities less than 77 rad/s cause the emergence of the raining phenomenon and accumulation of the molten metal in the lower part of the mold, whereas angular velocities greater than 77 rad/s produce a constant thickness of the molten metal and prevent raining.
Highlights
Centrifugal casting accounts for 15% of the total casting output of the world in terms of tonnage [1]
It is numerically studied the influence of the angular velocity, the molten metal viscosity, and the mold wall roughness on the molten metal distribution in the mold of a horizontal centrifugal casting process
Time evolution of molten metal distribution in the mold for different values of the angular velocity is shown in Figure 3 assuming, as was stated above, that the mold rotates counterclockwise
Summary
Centrifugal casting accounts for 15% of the total casting output of the world in terms of tonnage [1]. In [8] [9] visualization experiments on cold models and numerical simulations of the flow field have been carried out for a centrifugal casting system with horizontal molds and fluids of different viscosities to analyze the effect of different process variables on the flow pattern. A numerical model based on the shallow water equations was proposed to simulate the two-dimensional average flow dynamics of the liquid metal spreading inside a horizontally rotating mold [11]. The raining phenomenon sometimes arises in horizontal centrifugal casting It occurs when the molten metal rains or falls from the top of the mold to the bottom while the mold is rotating [15]. Besides the molten metal and velocity distributions, it were explored the conditions for the emergence of the raining phenomenon
Sign-in/Register to view highlights & summary Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
