http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
연속주조에서 몰드 내 용강의 정상상태와 비정상상태하의 난류 유동에 관한 수치해석 비교
이진아(Jina Lee),한경아(Kyung-a Han),심진욱(Jin-Wook Shim),박화수(Hwa-soo Park) 대한기계학회 2007 대한기계학회 춘추학술대회 Vol.2007 No.10
Numerical calculations have been carried out to investigate the effect of traveling magnetic field on the liquid steel flow in a continuous casting mold. It is a general procedure to add Lorentz force as a source term in momentum equation for steady state equations. However, in using traveling magnetic field, the changing magnetic field cannot be counted at steady state calculation. It has been in question if the steady state calculation results are in agreement with the one by unsteady state calculation. In this study, the steady state calculation is improved by utilizing new average Lorentz force value.
Inductor 위치 변화가 용융 아연 도금욕 내의 유동에 미치는 영향
한경아(Kyung-a Han),이진아(Jina Lee),심진욱(Jin-wook Shim),박화수(Hwasoo Park) 대한기계학회 2007 대한기계학회 춘추학술대회 Vol.2007 No.10
Fluid flow and temperature distribution inside a molten zinc bath were investigated by computational fluid dynamics method. Modeling the channel inductor where alternating current of 60㎐ was applied, Lorentz force and generated heat were obtained and later supplemented as source terms to momentum and heat equations. Inductor position was 100㎜ lowered and the effect on fliud flow was analyzed by comparing the computational results with the original inductor position one.