Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 9American Society of Mechanical Engineers, 1990 - Arctic regions |
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Page 115
... coefficient coefficient of oscillation the cylinder --- total force acted on the cylinder --zero order of the damping force in Fourier's expansion --- first order of the damping force in Fourier's expansion F --- fdo fdc water . Cmc ...
... coefficient coefficient of oscillation the cylinder --- total force acted on the cylinder --zero order of the damping force in Fourier's expansion --- first order of the damping force in Fourier's expansion F --- fdo fdc water . Cmc ...
Page 194
... coefficient in the case . The coefficients in the Equation ( 14 ) , a1 , a2 and a3 , were obtained from the experimental results by the least squares method . Figure 9 shows that the obtained CD has similar tendency to the drag coefficient ...
... coefficient in the case . The coefficients in the Equation ( 14 ) , a1 , a2 and a3 , were obtained from the experimental results by the least squares method . Figure 9 shows that the obtained CD has similar tendency to the drag coefficient ...
Page 195
... coefficient of bluff bodies is significant in regular and irregular motions . It is shown in Figure 13 that the drag coefficient of a circular cylinder in the first swing from rest is almost 80 % of that in steady sinusoidal oscillation ...
... coefficient of bluff bodies is significant in regular and irregular motions . It is shown in Figure 13 that the drag coefficient of a circular cylinder in the first swing from rest is almost 80 % of that in steady sinusoidal oscillation ...
Contents
OCEAN WAVES | 1 |
OFFSHORE TECHNOLOGY PART A | 17 |
Application of Optical Techniques to Water Surface Measurement | 27 |
Copyright | |
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added mass amplitude analysis calculated circular cylinder computed cosh damping coefficient damping factor density diffraction directional wave domain drag coefficient drag force drift force dynamic effect Engineering equation estimated experimental fluid force coefficients forces acting forward speed free surface heave horizontal hydrodynamic hydrodynamic forces incident wave inertia coefficients inline force integral irregular JONSWAP Kc number lift force linear load low-frequency low-frequency oscillation maximum measured method Moire Topography motion nonlinear obtained offshore structures parameters peak pile predicted quadratic rad/sec radiation condition ratio regular waves response resultant force Reynolds number Sarpkaya second-order semisubmersible shown in Figure simulation solution spectral density spectrum surface elevation surge swing tanker transfer function transverse force velocity potential viscous vortex shedding vortices water depth wave amplitude wave direction wave drift damping wave excitation wave force wave frequency wave height wave number wave period wave power