·640 工程科学学报，第38卷，第5期 650 0.1m-s-1 650 8 0.1m-8- 0.40 0.36 0.32 0.32 028 028 0.24 0.24 0.20 0.20 0.15 0.15 00 0.12 0.12 0.08 0.08 0.04 0.04 -150 0 -150 0 -400 -200 200 -400 -200 0 200 宽度mm 宽度/m (aj (b) 650 650 0.1ms 4 0.1ms 0.40 5 450 8 0.24 0. 82 0.15 0. 0.12 0. 0.08 0.04 0.04 -150 0 -150 -400 -200 200 -400 -200 0 0 200 宽度/mm 宽度/mm c y 650 0.1ms 650 0.40 0.1ms 0.40 024 0 55355 0.15 12 2 0.08 0.08 0.04 0.04 -150 -150 0 -400 -200 0 200 -400 -200 200 宽度mm 宽度/mm (e) 0 650 0.1ms 650 0.40 0.I m-s 0.40 50 0.36 0.36 0.32 0.28 0.24 0.20 0.15 0.15 00 0 2 0.12 0.08 5 0.08 0.04 0.04 -150 -150 0 400 -200 0 -400 -200 200 宽度/mm 宽度/mm (h) 图4油滴卷入过程流场矢量和迹线图.(a)t=0s:(b)t=0.5s:(c)t=1s:(d)t=1.5s:()t=2s:(0t=2.5s:(g)t=3s:(h)t= 3.55 Fig.4 Flow vectors and streamlines in the oil drop involving process:(a)t=0s:(b)t=0.5s:(c)t=1s:(d)t=1.5s:(e)t=2s:(f)t= 2.5s;(g)t=3s:(h)t=3.5s工程科学学报，第 38 卷，第 5 期 图 4 油滴卷入过程流场矢量和迹线图． ( a) t = 0 s; ( b) t = 0. 5 s; ( c) t = 1 s; ( d) t = 1. 5 s; ( e) t = 2 s; ( f) t = 2. 5 s; ( g) t = 3 s; ( h) t = 3. 5 s Fig． 4 Flow vectors and streamlines in the oil drop involving process: ( a) t = 0 s; ( b) t = 0. 5 s; ( c) t = 1 s; ( d) t = 1. 5 s; ( e) t = 2 s; ( f) t = 2. 5 s; ( g) t = 3 s; ( h) t = 3. 5 s · 046 ·