LIST OF FIGURES


Figure                                                                           Page

1-1 Tip vortex cavitation in a marine propeller . 2 1-2 Schem atic of a supercavitating vehicle . 3 1-3 Schematic of interfacial conditions in the air-water shear layer facility . . 6 1-4 Schematic of interfacial conditions of a supercavitating vehicle . 7 1-5 Air-water test facility for sensor characterization . 8 1-6 Velocity profiles of a supercavitating vehicle (left) and the air water shear layer
     fa c ility (rig h t) .                                                         . 9 2 -1 Inlet plenu m an d pu m p .                                                  . 13 2-2 R eturn plenum and test section . . 14 2-3 Test section of University of Florida shear layer facility . . 14 2-4 First part - blower housing, wide-angle diffuser, flow straighteners and contraction
     s e c tio n  .  1 6 2-5 Primary diffuser and liquid gas separator . . 19 2-6 Rubber-in-shear mounts to minimize vibrations . 21 3-1 Experimental set-up used to measure velocity profile in air tunnel . 23 3-2 Schematic of the pitot-static probe mounting in the test section . . 23 3-3 Motor frequency and velocity of air tunnel plotted as a function of DAQ input
     v o lta g e .                                                                 . 2 5 3-4 Block diagram for calibration and velocity profile measurement for the air tunnel. 25