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 57
... forces on three kinds of inclined cylinders are measured . By the revised cross spectrum method proposed in this paper , the force coefficients CD and Cy are estimated . From the experimental results , it is found that the wave ...
... forces on three kinds of inclined cylinders are measured . By the revised cross spectrum method proposed in this paper , the force coefficients CD and Cy are estimated . From the experimental results , it is found that the wave ...
Page 59
... force coefficients with the wave direction has some regularity . The drag force coefficient Cp decreases with the increase of angle ( Fig . 4 , 90 ° -7 ) . The inertia force coefficient Cy is about the axis of d = 0 ° . symmetric force ...
... force coefficients with the wave direction has some regularity . The drag force coefficient Cp decreases with the increase of angle ( Fig . 4 , 90 ° -7 ) . The inertia force coefficient Cy is about the axis of d = 0 ° . symmetric force ...
Page 66
... force coefficients can be estimated from a measured force spectrum SFM ( w ) and the measured wave profile spectrum S , ( w ) . In this study the force coefficients were estimated using three different methods : ( a ) Least - squares ...
... force coefficients can be estimated from a measured force spectrum SFM ( w ) and the measured wave profile spectrum S , ( w ) . In this study the force coefficients were estimated using three different methods : ( a ) Least - squares ...
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