| 中间包内非等温流现象研究 |
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| 引用本文： | 彭世恒, 王建军, 仇圣桃, 萧泽强. 中间包内非等温流现象研究[J]. 工程科学学报, 2006, 28(2): 113-118. DOI: 10.13374/j.issn1001-053x.2006.02.027 |
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| 作者姓名： | 彭世恒 王建军 仇圣桃 萧泽强 |
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| 作者单位： | 钢铁研究总院连铸技术国家工程研究中心,北京,100081;安徽工业大学冶金学院,马鞍山,243006;东北大学钢铁冶金系,沈阳,110006 |
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| 摘 要： | 在专门设计的二维模型上对非等温流现象的形成条件进行了实验研究,定义了衡量非等温流动出现的准数,并给出了临界值,以用来判断中间包内温度差对钢水流动的影响程度．对中间包非等温流动的形成过程进行了数值模拟,并在40t中间包上做了生产现场的直接测量．结果表明,在正常生产条件下,中间包内流体流动是一个典型的非等温过程．
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| 关 键 词： | 中间包 非等温现象 钢液流动 自然对流 数值模拟 |
| 收稿时间： | 2004-10-22 |
| 修稿时间： | 2004-12-09 |
Study on the formation of non-isothermal flow in a CC tundish |
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| PENG Shiheng, WANG Jianjun, CHOU Shengtao, XIAO Zeqiang. Study on the formation of non-isothermal flow in a CC tundish[J]. Chinese Journal of Engineering, 2006, 28(2): 113-118. DOI: 10.13374/j.issn1001-053x.2006.02.027 |
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| Authors: | PENG Shiheng WANG Jianjun CHOU Shengtao XIAO Zeqiang |
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| Abstract: | The formation of non-isothermal flow in a tundish was investigated in a special designed 2D water modelling system. The critical condition of the formation of non-isothermal flow was proposed to be a number Zb evaluating the sensitivity of tundish flow to temperature difference. CFD simulation of the tracing pattern in a water model described in the initial formation condition of non-isothermal flow. A direct measurement of temperature stratification in a 40 t tundish confirmed the existence of the non-isothermal flow. |
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| Keywords: | tundish non-isothermal flow of steel natural convection numerical simulation |
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