SYMBOLS AND DEFINITIONS— Continued 



CFD downward force calibration factor 



CPU upward force calibration factor 



CL bottom clearance 



DF downward force calibration factor 



DIA pip® diameter 



DN negative wave (trough) calibration factor 



FI(I) wave force readings 



FO zero point of wave force record 



HI (I) wave surface readings 



N number of wave force readings 



T wave period 



UF upward force calibration factor 



UP positive wave (crest) calibration factor 



WO zero point of wave record 



XC length .of pipe test section 



XF amplification factor for force record 



XW amplification factor for wave record 



YI(I) wave surface readings 

 Program Variables: 



ANG orientation angle (in radians) 



ANGLE orientation angle (in degrees) 



CDH horizontal coefficient of drag 



CDV vertical coefficient of drag 



CL bottom clearance 



12 



