On Validity of Axisymmetric Assumption for Modeling an Industrial Scale Electroslag Remelting Process | Zendy

KarimiSibaki Ebrahim | Zendy; Kharicha Abdellah | Zendy; Bohacek Jan | Zendy; Wu Menghuai | Zendy; Ludwig Andreas | Zendy

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On Validity of Axisymmetric Assumption for Modeling an Industrial Scale Electroslag Remelting Process

Author(s) -

KarimiSibaki Ebrahim,

Kharicha Abdellah,

Bohacek Jan,

Wu Menghuai,

Ludwig Andreas

Publication year - 2016

Publication title -

advanced engineering materials

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.938

H-Index - 114

eISSN - 1527-2648

pISSN - 1438-1656

DOI - 10.1002/adem.201500391

Subject(s) - ingot , rotational symmetry , materials science , slag (welding) , flow (mathematics) , turbulence , mechanics , scale (ratio) , metallurgy , melt flow index , transient (computer programming) , composite material , computer science , physics , alloy , quantum mechanics , copolymer , operating system , polymer

A full 3D simulation of an industrial scale electroslag remelting (ESR) process ( ϕ 750 mm ingot) is performed, and results are verified by experiment. A typical non‐axis symmetry flow pattern and temperature field in the slag region is demonstrated. A statistical analysis of the turbulent flow in the slag and melt pool is performed to quantitatively characterize the transient behavior of the flow. By comparing the 3D calculation with a 2D axis‐symmetrical calculation, we find that the predicted shape of melt pool (profile of the solidifying mushy zone of the ingot) are quite similar, leading to the conclusion that a 2D calculation is sufficient to solve the melt pool profile of the ingot.

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