553 



CONTENTS 



ABSTRACT 



LIST OF SCIBOLS 



I. INTRODUCTION 1 



II. E3CPERIMENTAL METHODS 1 



1. Bubble Periods 1 



2. Depth 2 



3. Charge Weight 2 

 U» Radius Measurements 2 



III . RESULTS 3 



5. First Bubble Period in Free Water 3 



6. Second and Third Bubble Periods in Free Water 11 



7. First Bubble Periods Close to a Free Surface 11 



8. Uaxiraum Bubble Radii 15 



A. Free Water 15 



B. Radii Close to a Free Sxirface 18 



C. Radii for Second and Third Periods in 



Free Water 20 



IV. COfJlPARISON OF EXPERIMENTAL RESULTS 7JITH THEORY 20 



9. Resume of the Theory: The Role of the Adiabatic 

 Parameters 20 



10. Determination of the Bubble Energy 26 



APPENDIX I 32 



LIST OF REFERENCES i2 



