Boe eS ew 
° 
PRINCIPAL NOTATION 
velocity of sound in undisturbed fluid 
velocity of sound in disturbed fluid 
i ¥+i 
CaN a 
l-e 
subscript referring to incident shock 
constant in equation of adiabatic = effective pressure 
at unit density 
overpressure 
effective pressure = p + 
maximum value of p in incident shock 
defined in equations (22.8 - 22.10) for i=0, l, 2 
subscript referring to reflected shock 
velocity of shock wave 
time 
material velocity 
specific volume 
distance of an arbitrary point from the wall 
maximum material velocity 
shock discontinuity in x,t - plane (Fig. 8 
impulse in shock 
length of shock pulse 
region of x,t-plane between D and x-axis (Fig. 8 
-Ve 
