A mathematical model of unidirectional solidification in cooled mold

被引：0
|
作者：
Shin, YH
Kang, CS
Oh, KH
机构：
[1] Seoul Natl Univ, Res Inst Adv Mat, Kwanak Ku, Seoul 151742, South Korea
[2] Seoul Natl Univ, Sch Mat Sci & Engn, Kwanak Ku, Seoul 151742, South Korea
来源：
METALS AND MATERIALS-KOREA | 2000年 / 6卷 / 03期
关键词：
unidirectional solidification; cooled mold; mathematical model; conversgency characteristics; numerical solution; heat transfer coefficient;
D O I：
10.1007/BF03028211
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
For the unidirectional solidification in a mold cooled by air or water, several mathematical models have been proposed. However, some are complex series solutions, and some are good approximations only when solidification time is sufficiently small. Therefore, our research team proposes the present mathematical model, which is a good approximation when solidification time is sufficiently large. In order to estimate the convergency characteristics of the present model, numerical solutions were calculated with mold/solid heat transfer coefficients, which are experimentally determined by a previous and the present model.
引用
收藏
页码：189 / 194
页数：6
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