AN INVESTIGATION ON DIFFERENT LATENT HEAT RELEASE MODES IN SOLIDIFICATION MODELING OF ALUMINUM ALLOY CASTINGS

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BAKHTIARI A.; SHABESTARI S.G.; ABOUTALEBI M.R.

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Journal: INTERNATIONAL JOURNAL OF INDUSTRIAL ENGINEERING AND PRODUCTION MANAGEMENT (IJIE) (INTERNATIONAL JOURNAL OF ENGINEERING SCIENCE) (PERSIAN) Year:2006 | Volume:17 | Issue:2 Page(s): 71-79

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Title

AN INVESTIGATION ON DIFFERENT LATENT HEAT RELEASE MODES IN SOLIDIFICATION MODELING OF ALUMINUM ALLOY CASTINGS

Author(s)

BAKHTIARI A. | SHABESTARI S.G. | ABOUTALEBI M.R. | Issue Writer Certificate

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Abstract

A numerical model was developed to simulate the 3-D solidification of A319 aluminum alloy in a sand mold. The energy equation governing the process was derived based on total enthalpy conservation within the system. A source-based method was used to consider the release of latent heat during solidification. The governing energy equation was dicretized for a three-dimensional domain using a control volume based finite difference. The discretized equations associated with proper boundary conditions were solved numerically using TDMA (Tri Diagonal Matrix) algorithm. The model developed in this work, was verified by experimental results obtained from thermal analysis tests carried out on the casting. In order to evaluate the effect of latent heat release mode within the mushy region on temperature field and solidification profile in the casting, four modes were tested. These are linearly released mode, parabolic mode, and latent heat release modes based on lever rule and Scheil equation. A comparison of the computed results with the experiments showed that by incorporating the latter mode of latent heat release in the model, the solidification behavior of the casting can be predicted more accurately.

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APA: Copy

BAKHTIARI, A., SHABESTARI, S.G., & ABOUTALEBI, M.R.. (2006). AN INVESTIGATION ON DIFFERENT LATENT HEAT RELEASE MODES IN SOLIDIFICATION MODELING OF ALUMINUM ALLOY CASTINGS. INTERNATIONAL JOURNAL OF INDUSTRIAL ENGINEERING AND PRODUCTION MANAGEMENT (IJIE) (INTERNATIONAL JOURNAL OF ENGINEERING SCIENCE) (PERSIAN), 17(2), 71-79. SID. https://sid.ir/paper/65787/en

Vancouver: Copy

BAKHTIARI A., SHABESTARI S.G., ABOUTALEBI M.R.. AN INVESTIGATION ON DIFFERENT LATENT HEAT RELEASE MODES IN SOLIDIFICATION MODELING OF ALUMINUM ALLOY CASTINGS. INTERNATIONAL JOURNAL OF INDUSTRIAL ENGINEERING AND PRODUCTION MANAGEMENT (IJIE) (INTERNATIONAL JOURNAL OF ENGINEERING SCIENCE) (PERSIAN)[Internet]. 2006;17(2):71-79. Available from: https://sid.ir/paper/65787/en

IEEE: Copy

A. BAKHTIARI, S.G. SHABESTARI, and M.R. ABOUTALEBI, “AN INVESTIGATION ON DIFFERENT LATENT HEAT RELEASE MODES IN SOLIDIFICATION MODELING OF ALUMINUM ALLOY CASTINGS,” INTERNATIONAL JOURNAL OF INDUSTRIAL ENGINEERING AND PRODUCTION MANAGEMENT (IJIE) (INTERNATIONAL JOURNAL OF ENGINEERING SCIENCE) (PERSIAN), vol. 17, no. 2, pp. 71–79, 2006, [Online]. Available: https://sid.ir/paper/65787/en

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