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 52
... boundary layer . The free shear layer re - attaches itself to the sur- face of the cylinder at point 1 , and the fully turbulent boundary layer separates behind the shoulder of the cylinder at point 2. Taking into consideration the ...
... boundary layer . The free shear layer re - attaches itself to the sur- face of the cylinder at point 1 , and the fully turbulent boundary layer separates behind the shoulder of the cylinder at point 2. Taking into consideration the ...
Page 112
... boundary . with radius R is resting verti- e seabed . aves pass over the permeable sea- e flow is produced into the bed ater pressure is induced . At the he seabed deforms due to the wave old's number in the seepage field y less than ...
... boundary . with radius R is resting verti- e seabed . aves pass over the permeable sea- e flow is produced into the bed ater pressure is induced . At the he seabed deforms due to the wave old's number in the seepage field y less than ...
Page 323
... Boundary Conditions The suitability of the following boundary conditions have been evaluated in light of the test results . a ) Depth of soil pile . b ) Width of soil pile ( in the direction of keel movement ) . c ) Pipe length / pipe ...
... Boundary Conditions The suitability of the following boundary conditions have been evaluated in light of the test results . a ) Depth of soil pile . b ) Width of soil pile ( in the direction of keel movement ) . c ) Pipe length / pipe ...
Contents
Model Tests | 3 |
B Bryndum V Jacobsen and D T Tsahalis 9 | 21 |
Scour Under Pipelines | 33 |
Copyright | |
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acoustic velocity analysis Arctic Engineering axial behaviour bending bottom boundary layer buckling cable calculated clamp Cobia compression corrosion crack cylinder deflection deformation developed dew point diameter drag drag coefficient effect elastic equation experimental field Figure finite element flow force coefficients free span frequency friction friction welding function hoop stress horizontal Hydraulic hydrodynamic hydrodynamic forces in-line installation irregular waves length lift coefficient lift force liquid load maximum measured mechanical method monitoring movement nodal analysis operating parameters phase pipe displacement pipe material pipeline predicted pressure procedure ratio response riser roughness SCADA scour sea bed sea floor seabed shown simulated slug soil steady current steel storm strain strain gauges stress structural submarine pipelines surface Technology temperature tion Turning Bands underwater values variation vertical vortex shedding water depth welding zone