NSWC/WOL TR 76-155 



Impulse of positive portion of pressure wave in 

 psi-mec 



M 



Mass of fish in grams 



'50% 



Value of Bladder Oscillation Parameter corresponding 

 to 50% kill probability 



TPOS 



Time corresponding to end of positive pressure 

 phase (Figure 3.1.1) 



(At/T) The fraction portion of the number of oscillation 

 cycles during the positive phase 



DTNEG 



Duration of the negative pressure phase (Figure 3.1.1) 



T 



neg 



Bubble period of oscillation during negative pressure 

 phase 



(At/T) 



NP 



Parameter which locates the end of the negative 

 phase in terms of bubble oscillation cycles 

 (Equations B-13 thru B-16) 



a 



Coefficient used to estimate the bubble period of 

 oscillation (Equation B-10) 



Fraction of oscillation energy removed each half- 

 cycle to achieve damped oscillations (Equation B-23) 



a, 3 



Exponents in the Shockwave similitude equations 

 for PMAX and (Equations C-2 and C-3) 



k,Z 



Coefficients in the Shockwave similitude equations 

 for PMAX and (Equations C-2 and C-3) 



