III-27 



1,000 r 



100 



2 .2 



K>-0 



/8' 



10 



-(a.= BUBBLE RADIUS) 



A for G = I.O 

 - X Afor 0= .1 

 a -j^for Q = .01 



for a = .001 



'°° RESONANCE ''^^ RESONANCE 



FOR a = I cm FOR o =.l cm FOR a = .01 cm 



"^"^ RESONANCE '«^'^ 



f= FREQUENCY (cps) 



FIGURE III- 10 



'■(f')'i 



? AS A FUNCTION OF INCIDENT 



FREQUENCY FOR FOUR TYPICAL BUBBLE SIZES 



S-7001-(»307 



