Heat transfer and fluid flow around a melting addition under different convection regimes

机译：不同对流方式下熔体周围的传热和流体流动

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This paper deals with the effects of various convective liquid metal regimes on the melting of additions in liquid metals. The cases of forced convection with aiding and transverse natural convection are investigated. An identification of convection regimes, natural and forced is carried using the buoyancy parameter, defined here as G = Gr/Re~2. These effects were studied with the aid of a mathematical model which solved energy and momentum equations. The moving boundary was track down using the heat integration method. The very long horizontal cylinder and the sphere were the two shapes of additions investigated. Results for liquid aluminum and liquid steel are reported. In addition different findings are presented. In these findings model predictions are compared against existing experimental results. A very reasonable agreement was obtained.

机译：本文探讨了各种对流液态金属形式对液态金属中添加剂熔化的影响。研究了带有辅助和横向自然对流的强制对流情况。自然和强迫对流方式的识别使用浮力参数进行，此处定义为G = Gr / Re〜2。在解决能量和动量方程的数学模型的帮助下研究了这些影响。使用热集成方法来跟踪移动边界。非常长的水平圆柱体和球体是研究的两种附加形状。报告了液态铝和液态钢的结果。另外，提出了不同的发现。在这些发现中，将模型预测与现有实验结果进行了比较。获得了非常合理的协议。

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来源
《International Symposium on Computer Applications in Metals Processing Aug 26-29, 2001 Toronto, Ontario, Canada》|2001年|p.103-114|共12页
会议地点 Toronto(CA);Toronto(CA);Toronto(CA)
作者
Blas S. Melissari; Stavros A. Argyropoulos;
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Department of Materials Science and Engineering University of Toronto 184 College Street, Toronto, Ontario CANADA M5S 3E4;

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原文格式 PDF
正文语种 eng
中图分类自动化技术、计算机技术;
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Heat transfer and fluid flow around a melting addition under different convection regimes

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