35 
(8) (b) 
BEFORE PLATE LEAVES WATER AS PLATE LEAVES WATER 
CAVITATION FRONT 
CAVITATED 
S'UmR'N= CAVITATION TENSION 
(c) (d) 
AFTER PLATE LEAVES WATER AFTER CAVITATION OF WATER 
BEFORE CAVITATION 
Notes 
Full curves lettered P=X show incident wave travelling to left, 
pressure positive above Ox 
Broken curves lettered P'U' show refected wave (plotted negatively) 
travelling to right, pressure positive below Ox 
AB indicates original plate position 
Fige 17 - Successive stages when plate leaves water which 
subsequent ly cavitates 
