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 385
... element drag coefficient of N buoyancy elements outer diameter of buoyancy elements interaction factor 2πXO / D mechanical mass of oscillatory system added mass of oscillatory system Mm + Ma number of buoyancy elements linear damping ...
... element drag coefficient of N buoyancy elements outer diameter of buoyancy elements interaction factor 2πXO / D mechanical mass of oscillatory system added mass of oscillatory system Mm + Ma number of buoyancy elements linear damping ...
Page 409
... elements , whereas in a conventional array all receiving elements are fixed in positions . The virtue of the rotating array is that it requires very few receiving elements to synthesise the directional beam pattern of a large array and ...
... elements , whereas in a conventional array all receiving elements are fixed in positions . The virtue of the rotating array is that it requires very few receiving elements to synthesise the directional beam pattern of a large array and ...
Page 410
... ELEMENT ROTATING ARRAY The basic rotating array configuration is shown in Figure 1. The array has two receiving elements fixed at the ends of a rotating arm . Incoming signals are sampled N times at constant intervals in one revolution ...
... ELEMENT ROTATING ARRAY The basic rotating array configuration is shown in Figure 1. The array has two receiving elements fixed at the ends of a rotating arm . Incoming signals are sampled N times at constant intervals in one revolution ...
Contents
COMPLIANT STRUCTURES | 313 |
Identification of NonLinear Effects in Predicting the Motion Response of Mobile Platforms | 337 |
RISERSMOORINGSCABLES | 345 |
Copyright | |
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amplitude analysis array axial beam Beaufort Sea behaviour bending moment bow quartering brace buoy buoyancy cable calculated compliant towers configuration curvature curve damping deck deflection developed diesel displacement distribution drag coefficient drillship dynamic Engineering environmental equation fatigue flexible riser force function heave horizontal hydrodynamic in-plane installation interaction jacket length linear load combination marine riser matrix maximum measured method mode mooring system Non-dim nonlinear obtained offshore structures Oseberg parameters phase pipe platform predicted problem Prudhoe Bay pycnocline ratio Rayleigh distribution relative response riser system riser tensioner rotating rubber fender seastates shaft shown in Figure simulation soil solution static stiffness Stirling Stirling Engine storage barge strain submarine surface Table template tension tests tion tower trawl Trondheim truss underwater values vector velocity vertical vessel water depth wave height wave load wave period