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Title:Sensitivity Analysis of Turbulent Free-Surface Flows Applied to Optimal Casting Rigging Design
Author(s):McDavid, Robert Michael
Doctoral Committee Chair(s):Dantzig, Jonathan A.
Department / Program:Mechanical Engineering
Discipline:Mechanical Engineering
Degree Granting Institution:University of Illinois at Urbana-Champaign
Subject(s):Engineering, Mechanical
Abstract:Additionally, the numerical model, upon which the sensitivity calculations are based, was verified against a turbulent filling experiment. The filling times and patterns for a simple mold were studied using water as an analog of liquid aluminum. Further, laminar filling experiments using solutions of glycerol and water were performed. As such, errors in the flow prediction could be attributed to either the VOF algorithm or the turbulent mixing length model. The results show good agreement between the macroscopic features of the VOF model predictions and those of the experiment. Also, the mixing length model was shown to be appropriate for the types of flows encountered in casting mold filling, and is able to capture the key features of the filling patterns.
Issue Date:1997
Description:117 p.
Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 1997.
Other Identifier(s):(MiAaPQ)AAI9812696
Date Available in IDEALS:2015-09-25
Date Deposited:1997

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