Kumar, Arvind and Dutta, Pradip and Sundarraj, Suresh and Walker, Mike J (2007) Remelting of Solid and its Effect on Macrosegregation During Solidification. In: Numerical Heat Transfer, Part A: Applications, 51 (1). pp. 59-83.
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A macroscopic model for simulating local remelting during binary alloy solidification is presented. In order to model the remelting phenomenon, the modified liquid concentration during remelting is calculated by taking into account the previously frozen solid concentration profile. This procedure is integrated into an existing macroscopic solidification model, in which the complete set of volume-averaged equivalent single-phase governing equations are solved using a pressure-based finite-volume method. As case studies, simulations are performed for a binary solution of $NH_4Cl-69 wt\%H_2O$ and for Pb-15 wt%Sn alloy solidified in a side-cooled cavity. Predicted results with the present model are compared with experimental results available in the literature, and the agreement is found to be good.
| Item Type: | Journal Article |
|---|---|
| Publication: | Numerical Heat Transfer, Part A: Applications |
| Publisher: | Taylor & Francis |
| Additional Information: | Copyright of this article belongs to Taylor & Francis. |
| Department/Centre: | Division of Mechanical Sciences > Mechanical Engineering |
| Date Deposited: | 11 Aug 2008 |
| Last Modified: | 27 Aug 2008 13:42 |
| URI: | http://eprints.iisc.ac.in/id/eprint/15516 |
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