SYMBOLS • ■ 



(t> Angle between the cable and the stream 



->• 

 X Coordinate in i direction 



->■ 

 y Coordinate in j direction 



->■ 

 z Coordinate in k direction 

 ■»■ 



1 Unit vector in the direction of the stream 

 -y 

 j Unit vector in the direction of gravity 



k Unit vector normal to i and j; i.e., k = i x J 



? 



Unit vector in the direction of the cable 



s Unit vector normal to the cable and the stream 



n Unit vector normal to f and s 



P Component of the hydrodynamic force per unit 



length of the cable in the f direction; 



referred to as the tangential force 

 S Component of the hydrodynamic force per unit 



length of the cabl# in the s direction; 



referred to as the side force 

 N Component of the hydrodynamic force per unit 



length of the cable in the n direction; 



referred to as the normal force 

 C^ Coefficient of the tangential force; 



C = -^- 

 C Coefficient of the side force; 



c. =-^ 



' ipU^d 

 C Coefficient of the normal force; 

 C„=-L 



^ ipU^d 

 C^ The value of C for <f> equals 90 degrees; also 



the proportionality factor between C and sin^?^ 

 P Density of water 

 U Speed of the stream 

 d Diameter of the cable 

 I Direction cosine of the cable In the 1 direction; 



m Direction cosine of the cable in the j direction; 



n Direction cosine of the cable in the k direction; 



