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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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连铸结晶器内钢液涡流现象的水模型观察和数值模拟
, PP. 315-320
Keywords: 连铸,结晶器,涡流,水模型,数值模拟
Abstract:
利用水模型观察连铸结晶器内导致钢坯质量下降的涡流现象.提出蛇型结构结晶器水模型,撒入黑芝麻以显示结晶器内自由液面流谱,用可调曝光时间的照相机记录涡流图案.实验中观察到较为稳定的单个涡和偶尔出现的两个对称涡现象.在数值模拟中,将浸入式水口移离中心位置,从而可产生偏流和涡流.实验与模拟的结果表明结晶器内三维偏流导致涡流的出现,涡流位于水口较低流速一侧,涡流强度取决于拉速和水口偏离中心的程度.
| [1] | WWang Y H. In: Schneider G P ed. 73rd Steelmaking Con-ference Proceedings, Warrendale: Iron and Steel Society, 1990: 473
|
| [2] | HHE Q L. ISIJ Inter, 1993; 33: 343
|
| [3] | GGebhard M, He Q L, Herbertson J. In: Rote F E ed. 76th Steelmaking Conference Proceedings, Warrendale: Iron and Steel Society, 1993: 441
|
| [4] | HHoneyands T, Herbertson J. Steel Res, 1995; 66: 287
|
| [5] | GGupta E, Lahri A K. Metall Mater Trans, 1996; 27B: 757
|
| [6] | HHuang X, Thomas B G. Canadian Metall Quarterly, 1998;37:197
|
| [7] | LLam C K G, Bremhorst K. J Fluid Eng, 1981; 103: 456
|
| [8] | LLi B K, Okane T, Umeda T. Metall Mater Trans, 2000; 31B: 1491j
|
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