Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 5American Society of Mechanical Engineers, 1988 - Arctic regions |
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Page 80
... storms . Therefore , the cumulative pipe movement due to a number storms over a number of years can be determined by linear superposition of displacements caused by each individual storm as long as the total displacement is relatively ...
... storms . Therefore , the cumulative pipe movement due to a number storms over a number of years can be determined by linear superposition of displacements caused by each individual storm as long as the total displacement is relatively ...
Page 81
... storm current build - up and decay model ( Fig . 5 ) based on ments and / or hindcast studies . Peak storm currents in general occur later than the storm wave height peaks . In addition , the storm current direction at the seafloor may ...
... storm current build - up and decay model ( Fig . 5 ) based on ments and / or hindcast studies . Peak storm currents in general occur later than the storm wave height peaks . In addition , the storm current direction at the seafloor may ...
Page 82
... storms , according to the storm distribu- tion function given in Equation ( 6 ) , for each assumed R - years , and ( 2 ) use a second random number generator to determine the pipe displacement for each storm ( and the total pipe ...
... storms , according to the storm distribu- tion function given in Equation ( 6 ) , for each assumed R - years , and ( 2 ) use a second random number generator to determine the pipe displacement for each storm ( and the total pipe ...
Contents
OFFSHORE MECHANICS | 3 |
Seabed Scour Under Pipelines | 33 |
Flow Around and Forces on a Pipeline Near a Scoured | 39 |
Copyright | |
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acoustic velocity analysis Arctic Engineering axial bending bottom clamp boundary layer buckling calculated clad pipes clamp elevation compression Conference on Offshore crack cylinder deflection deformation developed dew point diameter drag drag coefficient effect electrode equation experimental Figure finite element finite element analysis flow force coefficients free span frequency friction function hoop stress hydrodynamic hydrodynamic forces in-line installation leak detection leak detection system length lift coefficient lift force line pipes liquid load maximum measured Mechanics and Arctic method monitoring nodal analysis Offshore Mechanics operating parameters phase pipe displacement pipeline pore predicted present pressure procedure ratio regular waves response riser roughness SCADA scour sea bed sea floor seabed shown simulated soil steady current strain strain gauges stress structural submarine pipelines surface technique temperature thickness tion two-phase flow values variation vertical vortex shedding weld metal