GAP 



B'UIL K =1.145 K:|.0 K'=0.8 K'=0.6 

 " DIRECTION OF 



INCIDENT WAVE 



K'eO.4 



( Johnson, 1952 ) 



Figure 2-45. Contours of Equal Diffraction Coefficient 

 Gap Width =1.41 Wave Lengths (B/L = 1.41) 



DIRECTION OF 

 INCIDENT WAVE 



, Diffrocted Wove Height 

 Incident Wove Height 



K'«0.4 



( Johnson, 1952) 



Figure 2-46. Contours of Equal Diffraction Coefficient 

 Gap Width =1.64 Wave Lengths (B/L = 1.64) 



2-101 



