Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 10American Society of Mechanical Engineers, 1991 - Arctic regions |
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Page 13
... angles even further ( to about 20 deg . near t / T≈ 0.65 ) . It is important to note that the rate of decrease of the separation angle in the interval 0.50 t / T < 0.75 is noticeably milder than that in the interval 0.25 < t / T > 0.50 ...
... angles even further ( to about 20 deg . near t / T≈ 0.65 ) . It is important to note that the rate of decrease of the separation angle in the interval 0.50 t / T < 0.75 is noticeably milder than that in the interval 0.25 < t / T > 0.50 ...
Page 16
SEPARATION ANGLE SEPARATION ANGLE SEPARATION ANGLE 180 150 120 80 90 -90 -120 8 -150 -180 -0.50 -0.25 0.00 0.25 0.50 0.75 t / T 1.00 1.25 1.5 Fig . 10 Separation angle versus time for K = 11.5 , k / D = 0.01 , and ẞ = 3223 . 180 150 120 ...
SEPARATION ANGLE SEPARATION ANGLE SEPARATION ANGLE 180 150 120 80 90 -90 -120 8 -150 -180 -0.50 -0.25 0.00 0.25 0.50 0.75 t / T 1.00 1.25 1.5 Fig . 10 Separation angle versus time for K = 11.5 , k / D = 0.01 , and ẞ = 3223 . 180 150 120 ...
Page 52
... ANGLE 0.0 DEG . O ANGLE 22.5 DEG . O ANGLE 45.0 DEG . A ANGLE 90.0 DEG . CL ( LIFT ) 0.25 0.00 -0.25 -0.50 -0.75 -1.00 -1.25 3 S 6 1 09 CL ( LIFT ) 0.25 0.00 -0.25 -0.50 -0.75 -1.00 REYNOLDS NUMBER -1.25 7 • 1 105 2 X ANGLE 0.0 DEG . O ...
... ANGLE 0.0 DEG . O ANGLE 22.5 DEG . O ANGLE 45.0 DEG . A ANGLE 90.0 DEG . CL ( LIFT ) 0.25 0.00 -0.25 -0.50 -0.75 -1.00 -1.25 3 S 6 1 09 CL ( LIFT ) 0.25 0.00 -0.25 -0.50 -0.75 -1.00 REYNOLDS NUMBER -1.25 7 • 1 105 2 X ANGLE 0.0 DEG . O ...
Contents
A Study on the Stability Criteria of Semisubmersibles | 4 |
Sharan and Praveen Kalra | 6 |
CASE HISTORIES | 7 |
Copyright | |
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added mass amplitude analysis approximately average boundary condition boundary layer cable calculated circular cylinder components computed crest damping coefficient damping ratio density diffraction dimensionless displacement drag coefficient dynamic effects Ekofisk estimates experimental Figure first-order floating fluid force coefficients free surface frequency domain Green function heave horizontal hydrodynamic hydrodynamic forces incident wave inline force integral equation irregular lift force linear loads low frequency low-frequency surge maximum mean drift forces measured method mooring motion natural frequency nonlinear obtained Offshore Technology open boundary oscillation oscillatory flow parameters phase velocity platform predicted pressure random wave ratio regular waves Reynolds number Sarpkaya second order second-order wave shown simulation solitary waves solution spectral spectrum standard deviation surge response tank tanker tests transfer function transverse values velocity potential vertical vortex vortices wave damping wave drift damping wave elevation wave forces wave height wave-current