Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volumes 5-6; Volume 8, Parts 5-6American Society of Mechanical Engineers, 1989 - Arctic regions |
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Page 167
... vibration of the pipe will have a significant effect on the scour , the vibration will increase the scour depth up to 60 % compared to the scour depth with a fixed pipe . Scour depth up 1.4 times the pipediameter was observed . When the ...
... vibration of the pipe will have a significant effect on the scour , the vibration will increase the scour depth up to 60 % compared to the scour depth with a fixed pipe . Scour depth up 1.4 times the pipediameter was observed . When the ...
Page 170
... vibration than what was seen in the model , as no flat bed initial situation will exist . Scouring and refilling of the scour hole will alternate as the ... vibration amplitude . Figure 14 also show that after the full vibration has 170.
... vibration than what was seen in the model , as no flat bed initial situation will exist . Scouring and refilling of the scour hole will alternate as the ... vibration amplitude . Figure 14 also show that after the full vibration has 170.
Page 171
... vibration , as higher current velocities are necessary to induce hydro- elastic vibrations . However , this is also dependant on the end support conditions . The displacement horizontally due to the current drag force will increase the ...
... vibration , as higher current velocities are necessary to induce hydro- elastic vibrations . However , this is also dependant on the end support conditions . The displacement horizontally due to the current drag force will increase the ...
Contents
PIPELINE DESIGN AND OPERATIONS | 1 |
PIPELINE FORCES DYNAMICS AND STABILITY I | 95 |
9 | 123 |
Copyright | |
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amplitude analysis applied Arctic Engineering axial base metal bending Buckle length buckling bundle calculated coefficient compressor Conference on Offshore corrosion crack curvature deformation developed diameter displacement ductile effect Eighth International Conference electrodes equation explosive welding failure flaw flow rate gas turbine geometry heat horizontal hydrodynamic hydrodynamic forces hydrogen inertial installation laboratory length lift force line pipe liquid load maximum measured Mechanics and Arctic meters method monitoring natural burial Offshore Mechanics Offshore Technology Conference operation parameters predicted present pressure problem procedure ratio reheated reliability repair resistance response rockdumps sand SAW metal scour depth seabed shown in Figure simulation Snøhvit soft zone soil Sørøya sour gas span Statoil steel stress structural submarine pipelines submerged arc welding Sumer surface Table Technology temperature tion tool trench velocity vertical vibration viscometer viscosity vortex vortex shedding wave