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材料研究学报  1997, Vol. 11 Issue (1): 8-14    
  研究论文 本期目录 | 过刊浏览 |
ACRT过程流场影响因素的数值研究
刘俊诚;介万奇;周尧和
西北工业大学凝固技术国家重点实验室;西安市;710072;西北工业大学凝固技术国家重点实验室;西安市;710072;西北工业大学凝固技术国家重点实验室;西安市;710072
NUMERICAL STUDY ON THE FACTORS AFFECTING THE CONVECTION DURING ACRT
LIU Juncheng;JIE Wanqi;ZHOU Yaohe(State Key Laboratory of Solidthetion Processing; Northwestern Polytechnical University)
引用本文:

刘俊诚;介万奇;周尧和. ACRT过程流场影响因素的数值研究[J]. 材料研究学报, 1997, 11(1): 8-14.
, , . NUMERICAL STUDY ON THE FACTORS AFFECTING THE CONVECTION DURING ACRT[J]. Chin J Mater Res, 1997, 11(1): 8-14.

全文: PDF(539 KB)  
摘要: 将相对体积算法(VOF)扩展到三维圆柱坐标系,求解了多种条件下坩埚加速旋转过程中的流场,分析了坩蜗旋转加速度(ωa)、坩蜗半径(R)及最大转速(ωmmax)等因素对流场的影响计算结果与模拟实验的结论一致.各种条件下,ACRT过程的流场具有相同的变化趋势,逆时针流动与顺时针流动交替增强和减弱.
关键词 ACRT数值模拟相对体积算法    
Abstract:The flow in the crucible during ACRT process is calculated with SOLA-VOF(a solution algorithm based on the concept of the volume of fluid).The effeCts of the rotation acceleration, the diameter,and the maximum rotation sped as well as its lasting time, of
Key wordsACRT numerical simulation SOLA-VOF
收稿日期: 1997-02-25     
基金资助:国家自然科学基金!59371044;69306001
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