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 41
... experiments to achieve random oscillatory flow having a peaked flow velocity power spectrum . Hence , for these experiments the controller was programmed to generate a flow acceleration power spectral density in the water tunnel with a ...
... experiments to achieve random oscillatory flow having a peaked flow velocity power spectrum . Hence , for these experiments the controller was programmed to generate a flow acceleration power spectral density in the water tunnel with a ...
Page 93
... experiment and calculations . Cal- culations showed good agreement with experiments ex- cept for upper part and lower part of the models . At the upper part of the model where the transducer comes close to the water surface , reflection ...
... experiment and calculations . Cal- culations showed good agreement with experiments ex- cept for upper part and lower part of the models . At the upper part of the model where the transducer comes close to the water surface , reflection ...
Page 253
... EXPERIMENTS ELLIPTICAL CYL . APPROX . 2 6 SHIP LENGTHWAVE LENGTH Fig . 7 Comparison of Damping Coefficient in Sway b2 = b2 / ( 0.5 pw a2 F ( d , 8 , k ) ) 22 0.8 0.6 0.4 0.2 0.2 0.1 0.0 8 -0.1 0 2 G OORTMERSSEN'S EXPERIMENTS ELLIPTICAL ...
... EXPERIMENTS ELLIPTICAL CYL . APPROX . 2 6 SHIP LENGTHWAVE LENGTH Fig . 7 Comparison of Damping Coefficient in Sway b2 = b2 / ( 0.5 pw a2 F ( d , 8 , k ) ) 22 0.8 0.6 0.4 0.2 0.2 0.1 0.0 8 -0.1 0 2 G OORTMERSSEN'S EXPERIMENTS ELLIPTICAL ...
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