1.

(1)

(2)

2.

2.55m

0.71m 16mm 22mm

SL-5SN

FD-P50

Fig.1 Experimental apparatus

(3)

A11

AGL532DS-E-TTL

43473-J

SONY HDR-SRI

CTAB(

) NaSal(

) ( )

CTAB NaSal 1:1

65ppm

3.

2 3 0.5m/s

0.5m/s

Fig.2 Flow of water in average 0.5m/s

Fig.3 Flow of surfactant solution in average 0.5m/s (65ppm)

(1)

61 589 1995

(2) 1996

(3) (PIV)