POP 



f2S5 



ooo oooo no o 



PPP PPPP OOP 



opp ooooloo P 



PPOP 



oooo 



OPP| )PPOP||OPP -|- 



oo o - 



diameter 

 urn tubes 



ao. oo o- 



,oo o- 



END VIEW 



a. 



Direction of wave 

 propagation 



CZJ 



Vertica 



ROW No. 



spacing of rows 2.55" center to center of tubes 

 SIDE VIEW 



b. 



Figure 130. Experimental arrangement for evaluating effectiveness of open- 

 tube floating breakwater concept (after Ippen and Bourodimos, 

 1964). 



192 



