U Free stream velocity 



U TVC inception speed of parent foil 

 P 



U TVC inception speed of the particular concept 



U. Mass injection velocity 



V Tip vortex tangential velocity 



VPWT Variable pressure water tunnel 



X Chordwise distance from leading edge 



X Transistion distance from leading edge 



Y Spanwise distance from foil root 

 Yrm Roll moment arm 



a Angle of attack 



p Fluid density 



a Cavitation index, 



1 T,2 



pU 



2 

 Fluid kinematic viscosity 



