NSWC/WOL TR 7 6-155 



p„ (t) Shockwave overpressure calculated by superposition 

 of direct and surface-reflected waves, 



P SUM (t) = P D (t) + P R (t) 

 PATM Atmospheric pressure 



y Depth of fish 



y. Depth of top of cavitation (on surface-reflected ray) 



y Depth of cavitation closure point (on surface-reflected 

 ray) 



R Slant range from charge to cavitation closure point 



PMAX Shockwave peak overpressure at cavitation closure point 



6 Shockwave decay constant at cavitation closure point 



R„ Slant range from charge to point of reflection at 

 water surface 



DOB 



Depth of burst 



11 



