Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 2; Volume 8, Part 2American Society of Mechanical Engineers, 1989 - Arctic regions |
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Page 306
... Shear on the Mean Velocity ( U ) in the Near and Far Wakes Versus Y / R , for Symbols , See Fig . 6 . 0.4 0.3 0.2 ... shear with shear 90dB O + AX No shear , x / D - 1.18 With shear , x / D 1.18 0.0 500 1000 1500 2000 Frequency , ( Hz ) ...
... Shear on the Mean Velocity ( U ) in the Near and Far Wakes Versus Y / R , for Symbols , See Fig . 6 . 0.4 0.3 0.2 ... shear with shear 90dB O + AX No shear , x / D - 1.18 With shear , x / D 1.18 0.0 500 1000 1500 2000 Frequency , ( Hz ) ...
Page 307
... shear With e Trace ..18 and ecause of the pre- V - component which he effect. shows the u - spectrum at y / R = 1 and 3.16 for the case without shear and the case with shear . In the absence = of upstream shear , the spectra show a sharp ...
... shear With e Trace ..18 and ecause of the pre- V - component which he effect. shows the u - spectrum at y / R = 1 and 3.16 for the case without shear and the case with shear . In the absence = of upstream shear , the spectra show a sharp ...
Page 308
... shear With shear No y / R = 1 shear 93d8 0.0 0.2 0.4 0.6 U / V Fig . 12a : Effect of Shear or at Different z in 320Hz 115dB 385Hz 115dB Y / R - 3.16 710HZ 103d8 82.5dB 1.0 y / R1 With Shear 92.4dB 0.0 500 1000 Frequency ( Hz ) 1500 2000 ...
... shear With shear No y / R = 1 shear 93d8 0.0 0.2 0.4 0.6 U / V Fig . 12a : Effect of Shear or at Different z in 320Hz 115dB 385Hz 115dB Y / R - 3.16 710HZ 103d8 82.5dB 1.0 y / R1 With Shear 92.4dB 0.0 500 1000 Frequency ( Hz ) 1500 2000 ...
Contents
HYDRODYNAMIC FORCES | 1 |
WaveCurrent Force on Horizontal Cylinder | 7 |
On the Significance of Negative Added Mass | 53 |
Copyright | |
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added mass amplitude analysis approximation Arctic Engineering caisson calculated circular cylinder components computed Conference on Offshore correlation damping deterministic diameter distribution drag coefficient drag force drift force dynamic effect experimental experiments factor failure Figure flume force coefficients form drag free surface frequency function Green's function harmonic hindcast horizontal hydrodynamic ice floe in-line force inertia integral irregular waves lift coefficient lift force linear maximum mean measured Mechanics and Arctic method mode mooring motion nondimensional nonlinear North Sea obtained Offshore Mechanics Offshore Structures order theory oscillation parameters peak pipeline potential present pressure problem random range ratio reliability response Reynolds number Sarpkaya second order second-order ship shown simulation skin friction spectral spectrum submerged surge theory transverse force uncertainty variables velocity velocity potential vibration viscous vortex shedding vortices water depth wave force wave height wave loads