Numerical simulation and experimental investigation of two filling methods in vertical centrifugal casting

被引：0
|
作者：
吴士平 [1 ]
历长云 [1 ]
郭景杰 [1 ]
苏彦庆 [1 ]
雷修桥 [2 ]
傅恒志 [1 ]
机构：
[1] School of Materials Science and Engineering,Harbin Institute of Technology
[2] Foundry Co Ltd,First Automobile Group Corporation
来源：
TransactionsofNonferrousMetalsSocietyofChina | 2006年 / 05期
基金：
中国国家自然科学基金;
关键词：
titanium alloy; vertical centrifugal casting; hydraulic simulation; numerical simulation; top filling; bottom filling;
D O I：
暂无
中图分类号：
TG249.4 [离心铸造];
学科分类号：
080201 ; 080503 ;
摘要：
A mathematical model of the centrifugal filling process was established. The calculated results show that the centrifugal field has an important influence on the filling process. Moreover, the process of liquid flow and the location of free surface in sprue were simulated based on the Solution Algorithm-Volume of Fraction (SOLA-VOF) technique. In order to verify the mathematical model and computational results, hydraulic simulation experiment was carried out. The results of experiments and numerical simulation indicate the accuracy of mathematical model. Two kinds of filling methods were investigated and the results show that the bottom filling is better than the top filling that can achieve stable filling and reduce defects.
引用
收藏
页码：1035 / 1040
页数：6
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