;^: 



N 



X 



> 



>- 

 o 



z 



LU 



Z) 



o 



LU 

 DC 

 LL 



0.25 



0.20 



Lil 0.15 



_i 



< 

 O 

 CO 



0.10 



0.05 



UNPAIRED POLYESTER CABLE 



n = 7 



n = 6 



n = 5 



Jt^ n=4 



n = 2 



Vr = 6.4(n = 5) 



0.22 



0.32 



0.42 



0.52 



0.62 



CURRENT VELOCITY, v/m/s 



Figure 3.14 Measured resonanl frequencies oT cable strumming in the Ihe ocean (54), normalized by the factor [Ten- 

 sion]"^, plotted against the tidal current speed K Cable fundamental frequency, /„„ = 1.2 Hz; Diameter, D = 13 

 mm; Specific gravity = 1.13 (Uniline polyester cable). 



79 



