穿孔等离子弧焊接弧与熔池的耦合模拟及正交分析*
吴宣楠1,冯妍卉1,2(
),李岩1,李亚飞1,张欣欣1,2,武传松3
),李岩1,李亚飞1,张欣欣1,2,武传松3
NUMERICAL SIMULATION AND ORTHOGONAL ANALYSIS ON COUPLED ARC WITH MOLTEN POOL FOR KEYHOLING PLASMA ARC WELDING
Xuannan WU1,Yanhui FENG1,2(),Yan LI1,Yafei LI1,Xinxin ZHANG1,2,Chuansong WU3
),Yan LI1,Yafei LI1,Xinxin ZHANG1,2,Chuansong WU3
图6. 在2.0 s时刻弧柱及工件中速度与温度分布
Fig.6. Distributions of velocity and temperature in arc column and workpiece at 2.0 s (Tarc—temperature of arc, Twp—temperature of workpiece)
(a) whole calculation domain
(b) local region close to cathode
(c) distribution of velocity upon the top surface of workpiece
(d) distribution of velocity in the molten pool
