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 383
... cylinder could be at any desired azimuthal orientation vis - à - vis the flow vector . Motion of the flexible cylinder was measured by imbedded accelerometers . In addition to the vibration measurements , hot wire anemometers were used ...
... cylinder could be at any desired azimuthal orientation vis - à - vis the flow vector . Motion of the flexible cylinder was measured by imbedded accelerometers . In addition to the vibration measurements , hot wire anemometers were used ...
Page 385
... cylinder as shown in the in- set diagram vis - à - vis the current vector ; m - 295 , 8 = 0.011 . Q Ø Fig . 4 Strouhal numbers detected from vibration measurements , with the flexible cylinder located in turn at more than 25 orienta ...
... cylinder as shown in the in- set diagram vis - à - vis the current vector ; m - 295 , 8 = 0.011 . Q Ø Fig . 4 Strouhal numbers detected from vibration measurements , with the flexible cylinder located in turn at more than 25 orienta ...
Page 388
... cylinder was changed from 40 to 30 and 19 Hz . As expected , it was found that Uc scaled linearly with fn reasonably well so that Vrc , for given m and 8 , is a valid dimensionless mea- sure of the threshold of fluidelastic instability ...
... cylinder was changed from 40 to 30 and 19 Hz . As expected , it was found that Uc scaled linearly with fn reasonably well so that Vrc , for given m and 8 , is a valid dimensionless mea- sure of the threshold of fluidelastic instability ...
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