

















1 



PRESSURE 











DIMENSIONAL 

 CENTERLINE 



PARAMETERS 

 PRESSURF 















f 

 / 



N 

 \ 

 \ 















LENGTH = 100 FEET BEAM » 30 FEET 







DEPTH = 60 FEET 











1 



1 





V F 



= 0.85 







\^ F 



= 1.15 







SPEED IN 

 KNOTS 



\ 

 \ 



\ 









1 

 _/ 







\ 



\ 







f 

 1 



"~"^a^ 













- 22 



1 





\ 





/ 









\ 

 \ 







1 























\ 

 \ 



s._' 



/ 



• 









\ 



\ \ 





/ 

 / 







































V 



/ 



/ 







































\ 

























.5.0 -4.0 -3.0 -2.0 -1.0 0.0 1.0 2.0 3.0 4.0 5.0 



Figure 8 - Comparison of Bottom Pressures at Subcritical and Supercritical Speeds 



h 

 1 



h V (B \ 



for - =0.6, -7=0 f- =0.3) 



Figure 9 - Bottom Pressure for — = 0.25, F = 0.625 ( — = 0.3) 



12 



