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 39
... inline forces induced on smooth circular cylinders by random oscillatory flows . The experiments were conducted in a water tunnel for statistical Keulegan - Carpenter numbers ranging from KC , = 6.8 to 11.6 and statistical Reynold's ...
... inline forces induced on smooth circular cylinders by random oscillatory flows . The experiments were conducted in a water tunnel for statistical Keulegan - Carpenter numbers ranging from KC , = 6.8 to 11.6 and statistical Reynold's ...
Page 40
... inline force , p is the density , Ao is the cross - sectional area of the cylinder , u ( t ) the flow velocity and a ( t ) the flow acceleration . Borgman obtained a least - square error first approximation to the force power spectral ...
... inline force , p is the density , Ao is the cross - sectional area of the cylinder , u ( t ) the flow velocity and a ( t ) the flow acceleration . Borgman obtained a least - square error first approximation to the force power spectral ...
Page 44
... inline forces which are drag dominated . Based on the root - mean - square ( rms ) level of the inline force computed from the estimated PSDs using the Borgman model compared to the nonlinear model , there is not a significant ...
... inline forces which are drag dominated . Based on the root - mean - square ( rms ) level of the inline force computed from the estimated PSDs using the Borgman model compared to the nonlinear model , there is not a significant ...
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