激光+GMAW复合热源焊熔池流体流动的数值分析*
胥国祥1(),张卫卫1,刘朋1,杜宝帅2
NUMERICAL ANALYSIS OF FLUID FLOW IN LASER+GMAW HYBRID WELDING
Guoxiang XU1(),Weiwei ZHANG1,Peng LIU1,Baoshuai DU2

图3. 不同时刻GMAW焊熔池纵截面的温度场和流场分布

Fig.3. Temperature and flow field distributions at longitudinal section of weld pool in GMAW for 0.3 s (a), 0.6 s (b), 1.1 s (c) and 2 s (d) with laser power PL=0 W (The white lines with arrows are used to illustrate the calculated fluid flow patterns more clearly)