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Please use this identifier to cite or link to this item: http://dspace.lib.cranfield.ac.uk/handle/1826/10864

Document Type: Conference paper
Title: Assessment of casting filling by modeling surface entrainment events using CFD
Authors: Reilly, C.
Jolly, Mark R.
Green, N. R.
Gebelin, J. C.
Issue Date: 31-May-2010
Citation: C. Reilly, M.R. Jolly, N.R. Green and J.C. Gebelin. Assessment of casting filling by modeling surface entrainment events using CFD. The Minerals, Metals and Materials Society 2010 139th Annual Meeting and Exhibition (TMS 2010), 14-18 February 2010, Seattle WA, USA.
Abstract: The reliability of cast components is dependent on the quality of the casting process. During this highly transient filling phase the prevention of free surface turbulence and consequential oxide entrainment is critical to ensure the mechanical integrity of the component. Past research has highlighted a number of events that lead to entrainment of surface oxides. Using FLOW-3D, flow structures that result in surface entrainment events have been simulated and an algorithm developed that allows entrainment and defect motion to be tracked. This enables prediction of the quantity and motion of oxide film generated from each event. The algorithm was tested experimentally and compared to experimental data from previously published work. A quantitative criterion is proposed to assess the damage of each type of event. Complete running systems have also been studied to understand how they could be assessed for quality of filling based on the flows within them.
URI: http://www.tms.org/meetings/annual-10/proceedings.aspx
Appears in Collections:Staff publications (SATM)

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