NOTATION 

 A. . Coefficients of simultaneous equations defined in Equation (36) 



B Expression defined by Equation (13) 



C, Frictional drag coefficient 

 bv 



2 

 C Drag coefficient; drag divided by 1/2 p V 



CL Cavity drag coefficients 

 Dc 



3 2 

 C Power coefficient = 0)Q/(ir/2pV R ) 

 P s 



2 2 

 C Thrust coefficient = x/(Tr/2pV R ) 



c Chord length divided by propeller radius 



c Camber correction factor 

 o 



D Propeller diameter 



EAR Expanded area ratio 



H Expression defined by Equation (14) 



H 1 Quantities defined by Equation (20-1) 



J Advance coefficient: V / (nD) 



2 5 

 K Torque coefficient: Q/ (pn D ) 



2 4 

 K Thrust coefficient: T/ (pn D ) 



£ Cavity length divided by the chord length 



n Revolutions per second, rps 



P Pressure 



P/D Pitch-diameter ratio 



2 

 p Nondimensional perturbation pressure (P-P )/l/2pV ) 



