Supercavitating Propeller Theory 



Cp(r) Section total drag coefficient, i.e., 



p 



— c(r)V^ 

 2 ^ ' 



Cq( r ) f Section viscous drag coefficient 



Co(r) Section cavity pressure drag coefficient 



ClCf) Section lift coefficient, i.e., 



P 



— c(r)V2 

 2 



p 



Cp Power coefficient, i.e.. 



— 77R2U3 



2 



Thrust loading coefficient, i.e., — 



- 7tR2U2 

 9 



c(r) Section chord 



D Propeller diameter 



e Cavity pressure 



i(r*,r) Induction factor 



n Normal to linearization surface 



p_„ Freestream pressure 



p Perturbation pressure 



p 



p Perturbation acceleration potential, i.e., — 



Ap Pressure doublet strength per unit area, i.e., p^ - p" 



^) 



,3n/ 



^p\ 



) Pressure source strength per unit area, i.e 



Sp Bp" 



P Power 



Q Number of blades, (also torque) 



R Propeller radius 



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