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A Non-Source Term Methodology in Simulation of Solidification

[+] Author Affiliations
Yumin Xiao

CFD Research Corporation, Huntsville, AL

R. S. Amano, E. K. Lee, Jianhui Xie

University of Wisconsin at Milwaukee, Milwaukee, WI

Youn-Suk Choi

Kyungwon Tech, Seoul, Korea

Paper No. IMECE2002-33222, pp. 153-159; 7 pages
doi:10.1115/IMECE2002-33222
From:
  • ASME 2002 International Mechanical Engineering Congress and Exposition
  • Heat Transfer, Volume 1
  • New Orleans, Louisiana, USA, November 17–22, 2002
  • Conference Sponsors: Heat Transfer Division
  • ISBN: 0-7918-3632-0 | eISBN: 0-7918-1691-5, 0-7918-1692-3, 0-7918-1693-1
  • Copyright © 2002 by ASME

abstract

In this paper a non-source term method is developed to solve the energy equation. In this new method the discrete form of the energy equation remains the same and no extra source term is introduced. The mushy-zone is treated as a porous media during solidification. This method is incorporated into the existing finite volume based CFD code. Test cases analyzed in this paper include solidification of pure metal, pure metal solidification with natural convection due to the buoyancy, and binary alloy mushy flow problem with variable Cp. The calculated results are in good agreements with available published data. This method can be applied to simulate a wide range of melting/solidification processes.

Copyright © 2002 by ASME

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