Estimating the last point to solidify in a casting

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Abstract

An approximate method for predicting the last point to solidify in a casting is presented. On defining a time-averaged temperature field, an approximate method for predicting the last point to solidify is defined by the solutions of two steady-state Poisson equations. The method is demonstrated by solving a number of one- and two-dimensional problems. For moderate values of Stefan number (St < 2) predictions for the last point to solidify are in close agreement with predictions obtained from analytical and complete transient numerical solutions.

Original languageEnglish (US)
Pages (from-to)417-432
Number of pages16
JournalNumerical Heat Transfer, Part B: Fundamentals
Volume33
Issue number4
DOIs
StatePublished - Jun 1 1998

Bibliographical note

Funding Information:
Received 8 July 1997; accepted 30 December 1997. The author acknowledges the support of the Minnesota SuperComputer Institute. Address correspondence to Professor Vaughan R. Voller, St. Anthony Falls Laborator, MissisRiver at Third Avenue SE, University of Minnesota, Minneapolis, MN 55455-2196, USA.

Copyright:
Copyright 2017 Elsevier B.V., All rights reserved.

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