Wave-Induced Eddies and "Lift" Forces on Circular Cylinders 



DATA SOURCE 

 TEST NUMBER 

 PILE DIAMETER , ft. 

 WATER DEPTH , ft. 

 WAVE PERIOD , sec. 

 WAVE HEIGHT , ft. 

 MAX. LI FT- LONG. FORCE RATIO 



U.C.B. 

 5 

 0.14 



1.79 

 4.05 

 0.64 



5 I % 



B.E. B. 

 39 



1.06 

 14.0 

 I 1.33 



4.2 



63% 



U.C.B. RECORDS 



LONGITUDINAL FORCE 



WAVE 



BOTTOM GAGE 



CREST 

 -TROUGH 



TOP GAGE 



WAVE 



BOTTOM GAGE 



liiiljiiijii; ;.;;;:;;;: fi: ! :?>" j 



LIFT FORCE 



CREST 

 .TROUGH 



rj~ ;.',,. ; , N ; : . ; , : j ; ! : j j j M i • I j ; M 

 TOP GAGE ffr^^-^r^^y^ 



B.E.B. RECORDS 



LIFT FORCE 



LONGITUDINAL $t*fc 

 FORCE 



WAVE 



-CREST 



■—TROUGH 



Figure 13. Comparison of UCB (1972) records and BEB records for 



N KC of about 42 for ^ e UCB and 35 for the BEB run s 



783 



