Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 1, Parts 1-2American Society of Mechanical Engineers, 2004 - Arctic regions |
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Page 6
... drag coefficient for a variety of cylinder arrangements and Reynolds numbers . An extensive amount of plots of the results , however , are available . Figure 5 gives the drag coefficient of the front cylinder in comparison with the ...
... drag coefficient for a variety of cylinder arrangements and Reynolds numbers . An extensive amount of plots of the results , however , are available . Figure 5 gives the drag coefficient of the front cylinder in comparison with the ...
Page 7
... drag reduction is clearly demonstrated by comparing the drags of the three cylinders . 1.400 1.200 1.000 0.800 8 0.600 0.400 0.200 0.000 0.00E + 00 Cd : Cyl 2 at X / D = 4 Y / D = -1 1.00E + 05 2.00E + 05 3.00E + 05 Re Xbar 1 Xbar 2 ...
... drag reduction is clearly demonstrated by comparing the drags of the three cylinders . 1.400 1.200 1.000 0.800 8 0.600 0.400 0.200 0.000 0.00E + 00 Cd : Cyl 2 at X / D = 4 Y / D = -1 1.00E + 05 2.00E + 05 3.00E + 05 Re Xbar 1 Xbar 2 ...
Page 558
... drag makes the equation of motion analytically unmanageable . Hence , for convenience , the drag is approximated by a fifth order polynomial . Since the drag - velocity dependence is point symmetric with respect to the point of zero drag ...
... drag makes the equation of motion analytically unmanageable . Hence , for convenience , the drag is approximated by a fifth order polynomial . Since the drag - velocity dependence is point symmetric with respect to the point of zero drag ...
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amplitude analysis ASME axial barge caisson calculated Campos Basin catenary coefficient comparison computed Conference on Offshore configuration Copyright damping deck diameter diffraction displacement draft drag drag coefficient dynamic effect equations Figure finite element flow fluid force FPSO frequency domain heave hot spot stress hull hydrodynamic installation interaction jacket kips linear load load transfer located longitudinal maximum measured Mechanics and Arctic method mode model test Model-I mooring lines mooring system motion nonlinear numerical obtained Offshore Mechanics offshore structures parameters peak performed Petrobras pipe platform polyester predicted pressure ratio Rayleigh distribution response Reynolds number riser Riser Tensioning S-N curve seastates shear shown in Fig simulation soil spectral spectrum spudcan steel stiffness subsea Table transverse upstream cylinder values velocity velocity potential vertical vessel vibration vortex vortex induced vibrations water depth wave height Weibull distribution Y Force