BUBBLE DIAMETER (mm) 
10-2 
10°3 
10 
Peterson 
O =TOUCH BODY 
—— INITIAL UPSTREAM 
LOCATION = 3.75 mm OFF AXIS 
INITIAL DIAMETER 250 um 
INITIAL DIAMETER 25 um / 
Vupstream ~ 9-1 m/sec 
0; = 0.65 Comin 
Cc = -0.82 
Pmin 
7.5 5 2.5 0 -2.5 -5 -7.5 
AXIAL DISTANCE FROM FACE OF HEADFORM (mm) 
FIGURE 6. PRESSURE COEFFICIENT VARIATION 
ALONG BUBBLE TRAJECTORY: INITIAL 
UPSTREAM LOCATION 
1166 
