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논문 기본 정보

자료유형
학술저널
저자정보
저널정보
한국전산유체공학회 한국전산유체공학회지 한국전산유체공학회지 제10권 제1호
발행연도
2005.3
수록면
56 - 62 (7page)

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초록· 키워드

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Large eddy simulation of vortexing flow of molten steel in the continuous casting mold with and without DC magnetic field was conducted. The influence of the position of magnetic field to the residence time and depth of the vortex was analyzed. The mechanism of the influence of magnetic field to the vortexing flow was found. The computational results show that the vortexing flow is the result of shearing of the two un-symmetric surface flows from the mold narrow faces when they meet adjacent to the SEN; the un-symmetric flow for turbulent vortex is caused by turbulent energy of the fluid and that for biased vortex is caused by biased flow and the turbulent energy of fluid; with the moving of the magnetic field from the centerline of the outlet of the SEN to the free surface, the surface velocity is decreased gradually and the depth of the turbulent vortex and the biased vortex is decreased, the residence time is increased with the magnetic field moves from DL=120mm to DL=60mm and then decreased; the turbulent vortex and the biased vortex can be eliminated when the magnetic field is located at the free surface.

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ABSTRACT

1. MATHEMATICAL MODEL

2. VERIFICATION OF MATHEMATICAL MODEL

3. RESULTS AND DISCUSSION

4. CONCLUSIONS

ACKNOWLEDGEMENTS

REFERENCES

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