04 OS 8 1.0 12 1.4 



Ratio of Average Tube Length-to-Incident Wavelength, l.j/I-i 



Figure 133. Effect of relative breakwater width, L T /L- , and number of tubes 

 on transmission coefficient, C t , for open-tube floating break- 

 water (after Ippen and Bourodimos, 1964). 



i. op 



90 

 080 



.. **, 



a <P 



~K. 



40 Tubes 



Woler Depin 23* (Toble 2Io) 



L Vu 



Air. 



o-n 



Wu 



An 



B 



Lt /l, 



Arr. 

 R 



0777 



917 



e 



0.966 



U 



0563 



A 



0687 



a 



0.725 



3 



437 



A 



0516 







0523 



B 



0318 



A 



375 



© 



0395 



■ 



0.01 002 003 004 005 006 07 008 



Incident Wave Steepness, H./L- 



Figure 134. Effect of incident wave steepness, H^/L^, and relative break- 

 water width, L T /L., on transmission coefficient, C t , for 

 open-tube floating breakwater (after Ippen and Bourodimos, 1964). 



195 



