Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 1; Volume 7, Part 1American Society of Mechanical Engineers, 1988 - Arctic regions |
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Page 120
... flow the value of will range between a certain ± max , where $ max can be very nearly equal to stall . The time averaged cyclic efficiency is only a few percent lower than the peak efficiency due to the reasons that the time during ...
... flow the value of will range between a certain ± max , where $ max can be very nearly equal to stall . The time averaged cyclic efficiency is only a few percent lower than the peak efficiency due to the reasons that the time during ...
Page 383
... flow vector . Motion of the flexible cylinder was measured by imbedded accelerometers . In addition to the vibration measurements , hot wire anemometers were used to measure periodicities in the flow in and around the cluster , when all ...
... flow vector . Motion of the flexible cylinder was measured by imbedded accelerometers . In addition to the vibration measurements , hot wire anemometers were used to measure periodicities in the flow in and around the cluster , when all ...
Page 385
100 E O Acceleration Amplitude ( g ) 0.01 Φ Cross - flow In - flow O 10 20 30 40 U ( m / s ) اد S = 0.3 $ S = 0.2 S = O.I Fig . 2 The acceleration amplitude of oscillation ( logarithmic scale ) versus the upstream flow velocity , U ...
100 E O Acceleration Amplitude ( g ) 0.01 Φ Cross - flow In - flow O 10 20 30 40 U ( m / s ) اد S = 0.3 $ S = 0.2 S = O.I Fig . 2 The acceleration amplitude of oscillation ( logarithmic scale ) versus the upstream flow velocity , U ...
Contents
FLOATING PRODUCTION SYSTEMS | 1 |
OFFSHORE MECHANICS | 23 |
Early Production Systems in the North | 31 |
Copyright | |
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analysis angle applied axial bending cable calculated characteristics coefficient components Conference connected considered construction cost curve damage depth determined diameter direction displacement distribution dynamic effect element energy Engineering equation equipment fatigue field Figure flexible flow forces frequency function geometry given important included increase installation International joint length limit linear load lower mass material matrix maximum mean measured Mechanics method mode mooring motion natural normal obtained Offshore operation parameters performance period pile pipe pipeline platform position presented pressure problem production range ratio response riser shear shown shows significant soil static stiffness strength stress structure surface Table Technology tension tower turbine vane vessel wave weight wire