Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 14American Society of Mechanical Engineers, 1995 - Arctic regions |
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Page 34
... Velocity - Computed Velocity FIGURE 7 - Repeatability of Wave in the Presence of Opposing Uniform Current in the Wave Basin ( b ) Comparison of Horizontal Velocity Spectra @ 1.833 ft Probe Elevation Energy Density , in ' - sec 0 00 01 ...
... Velocity - Computed Velocity FIGURE 7 - Repeatability of Wave in the Presence of Opposing Uniform Current in the Wave Basin ( b ) Comparison of Horizontal Velocity Spectra @ 1.833 ft Probe Elevation Energy Density , in ' - sec 0 00 01 ...
Page 91
... velocity at the screen is expressed as a function of a drag and an inertia term which is basically an analogy to the Morison equation ( see Clauss et al . , 1992 ) . As a first step the undisturbed initial horizontal velocity ur ( z , t ) ...
... velocity at the screen is expressed as a function of a drag and an inertia term which is basically an analogy to the Morison equation ( see Clauss et al . , 1992 ) . As a first step the undisturbed initial horizontal velocity ur ( z , t ) ...
Page 96
... velocity [ cm / s ] 10 -10.0 10 12.0 10.0 17.0 20.0 23.6 26.0 pos . 1 horizontal velocity [ cm / s ] horizontal velocity pos . 2 10.0 17.5 20.0 22.0 20 0 27.8 t [ s ] 30.0 horizontal velocity ( cm / s ) -18.0 ---- 12.0 16.0 17.0 30.0 ...
... velocity [ cm / s ] 10 -10.0 10 12.0 10.0 17.0 20.0 23.6 26.0 pos . 1 horizontal velocity [ cm / s ] horizontal velocity pos . 2 10.0 17.5 20.0 22.0 20 0 27.8 t [ s ] 30.0 horizontal velocity ( cm / s ) -18.0 ---- 12.0 16.0 17.0 30.0 ...
Contents
OCEAN WAVES | 1 |
VOLUME IA OFFSHORE TECHNOLOGY | 65 |
J Chang | 86 |
Copyright | |
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analysis boundary conditions boundary layer calculated circular cylinder comparison compliant towers components computed corresponding crest criteria damping diffraction direction distribution drag coefficient dynamic effects Engineering equation estimated experimental Figure filter flow fluid force coefficients Fourier free surface fuzzy Hilbert transform hindcast horizontal velocity hydrodynamic impact force in-line incident wave KC number kinematics lift force linear Loop Current maximum measured method Morison motion Myrhaug NewWave non-linear obtained Offshore Structures orifice oscillating parameters phase planetary boundary layer plate platform potential flow prediction pressure rad/s random wave ratio regular waves Reynolds number sea wave second-order shear stress ship shown simulation sinusoidal spectra surface elevation tank tests tidal turbine turbulence values velocity potential vertical Volume I-A Walsh function water depth wave elevation wave energy wave force wave height wave kinematics wave power wave profile wave spectrum wave theory wave train wind