基于界面追踪<strong>-</strong>动网格技术模拟凝固收缩下<strong>Fe-C</strong>合金宏观偏析

基于界面追踪-动网格技术模拟凝固收缩下Fe-C合金宏观偏析

董士虎, 张红伟, 吕文朋, 雷洪, 王强

Numerical Simulation on Macrosegregation in Fe-C Alloy Under Solidification Shrinkage Through Interface Tracking-Dynamic Mesh Technique

DONG Shihu, ZHANG Hongwei, LÜ Wenpeng, LEI Hong, WANG Qiang

图14 不同顶端换热条件下铸锭内相对溶质浓度分布

Fig.14 Relative concentration distributions of C in ingot with different heat transfer conditions at ingot top
(a) adiabatic at ingot top
(b) heat transfer coefficient at ingot top h_top = 1.0 W/(m²·K)
(c) h_top=2.0 W/(m²·K)