LIST OF FIGURES (Continued) 



Figure 

 No. Page 



III -9 Theoretical and Experimental Values of the Damping 



Constant at Resonance III-26 



(J-')V. 



Ill- 10 A=l7^-l) /6^as a Function of Incident 



Frequency for Four Typical Bubble Sizes III-27 



III-ll Ratio of Scattering Cross Sections to Geometric Cross 



Sections III-31 



III- 12 Ratio of Extinction Cross Sections to Geometric Cross 



Sections III-32 



III- 13 Attenuation and Phase Velocity in Screens With Uniform 



Bubble Sizes (After Meyer and Skudrzyk) III-41 



III- 14 Theoretical Attenuation Through a Bubble Screen With 



a Distribution of Bubble Sizes (After Meyer and 

 Skudrzyk) III-42 



III- 15 Observed Attenuation Through Bubble Screens With a 



Distribution of Bubble Sizes (After Meyer and Skudrzyk) III-43 



III- 16 Statistical Characteristics of Bubble Sizes in Continuous 



Flow and Pulsed Screens (After Carstensen and Foldy) III-46 



III- 17 Attenuation and Reflection From Pulsed and Continuous 



Flow Bubble Screens (After Carstensen and Foldy) III-47 



III- 18 Transmission Measurements Through Continuous Flow 



Screens (After Laird and Kendig) III-48 



III- 19 Theoretical and Observed Attenuations (After Laird and 



Kendig) III- 49 



III-20 Distribution of the Number of Bubbles and Fractional 



Volume as a Function of Bubble Radius (After Laird and 



Kendig) III -49 



;artbur 3l.1LittIe,3nir. 



S-7001-0307 



