37 



i? momentum 



r? unit outward normal 



p. Legendre polynomial 



p pressure 



p , p, J, etc. coefficients in expansion of 



° " pressure (Appendices 4 and 5) 



p pressure of gas under static conditions 



p pressure of v/ater at a great distance 



°o from bubble, at same depth as center 



of bubble, 

 pressure due to image (Appendix 5) 

 total energy released by explosion 



im 



q^ , Op masses of explosive 



R perturbed bubbl.e radius (Appendices 



4 and 5 ) 



(i ) 

 R^ , R^ \ etc, coefficients in spherical harmonic 



•'■ 1 ' expansion of radius vector of 



bubble . 



r distance from initial center of 



bubble . 



r radius vector 



T period of a pulsation 



T period calculated from simplest 



theory 



T period for small oscillations 

 s 



t time 



t time of maximum size of the bubble 

 m 



V volvime or molar volume 



V velocity 



VV total energy of the pulsating motion 



5/2 5/2 ,, ,, T, 



X, X-, a , a (Appendix 1) 



