LIST OF SYMBOLS 



a Radius of cylindrical cable, except in Section VI where it stands for a 

 constant acceleration. 



A Area of the array projected in the direction of motion . 



b Buoyancy force on the cable per unit length. 



B Buoyancy force on the array. 



c Velocity of sound in cable . 



D Horizontal offset of the array from the target due to a horizontal cur- 

 rent. 



D Hydrodynamic drag on the array . 



E Young's modulus of elasticity. 



F In Section III total horizontal force of the current on the cable. 



g Acceleration of gravity. 



H , H, Hankel functions of orders and 1, respectively, giving outgoing 



o 1 



waves . 



L Length of the cable . 



M Djniamic mass of the array. (Seepage 12.) 



r Radial coordinate measured from the axis of the cable. 



S Metallic cross -sectional area of the cable. 



t Time coordinate. 



t' Normalized time coordinate (= ct/L). 



t Characteristic time of the array in free fall in water (see Equation 34) . 



T Time ( = L/c). 



36 



Arthur M.HxttU^M. 



S-7001-<}307 



