Omjer kompresije: razlika između inačica

:<math>\mbox{CR} = \frac {V_c} {V_k} = \frac {V_s + V_k } {V_k} = \frac { \tfrac{\pi}{4} D^2 s + V_k } {V_k} = \frac { \tfrac{\pi}{4} D^2 s + \tfrac{\pi}{4} D^2 h } {\tfrac{\pi}{4} D^2 h} = \frac { \tfrac{\pi}{4} D^2 (s + h)} {\tfrac{\pi}{4} D^2 h}</math>

 

:<math>\mbox{CR} = \frac {s + h } {h}</math>