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 41
... boundary layer of the cylinder and green into the lower one . This technique made it possible to mark the opposite- ly rotating fluid elements of the boundary layers and thus enabled us to distinguish the origin of the fluid elements in ...
... boundary layer of the cylinder and green into the lower one . This technique made it possible to mark the opposite- ly rotating fluid elements of the boundary layers and thus enabled us to distinguish the origin of the fluid elements in ...
Page 49
... boundary layer developed during the oscillatory water motion is shown to exist . NOMENCLATURE water depth d e gap between the plane boundary and the cylinder diameter of the cylinder wave height Т wave period δ DHTO thickness of the ...
... boundary layer developed during the oscillatory water motion is shown to exist . NOMENCLATURE water depth d e gap between the plane boundary and the cylinder diameter of the cylinder wave height Т wave period δ DHTO thickness of the ...
Page 112
... boundary . A cylinder with radius R is resting verti- cally on the seabed . When waves pass over the permeable sea- bed , seepage flow is produced into the bed and pore water pressure is induced . At the same time , the seabed deforms ...
... boundary . A cylinder with radius R is resting verti- cally on the seabed . When waves pass over the permeable sea- bed , seepage flow is produced into the bed and pore water pressure is induced . At the same time , the seabed deforms ...
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