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 62
... equation ( 2 ) is dependent on restraint conditions of the pipeline . A restrained pipeline has zero longitudinal strain and is typified by buried pipelines . Unrestrained pipelines are typified by offshore pipelines which are laid ...
... equation ( 2 ) is dependent on restraint conditions of the pipeline . A restrained pipeline has zero longitudinal strain and is typified by buried pipelines . Unrestrained pipelines are typified by offshore pipelines which are laid ...
Page 66
... equation ( 11 ) into equation ( 21 ) will result in equation ( 3 ) in the main text and substitution of ( 11 ) and ( 15 ) into equation ( 16 ) will result in equation ( 2 ) in the main text . If equations ( 11 ) , ( 15 ) and ( 16 ) are ...
... equation ( 11 ) into equation ( 21 ) will result in equation ( 3 ) in the main text and substitution of ( 11 ) and ( 15 ) into equation ( 16 ) will result in equation ( 2 ) in the main text . If equations ( 11 ) , ( 15 ) and ( 16 ) are ...
Page 112
... EQUATION OF PORE WATER PRES- a er , Fig.1 , waves passing over with mean depth hi , under which neous and isotropic porous seabed h2 . Beneath this porous medium is ssible and impermeable boundary . with radius R is resting verti- e ...
... EQUATION OF PORE WATER PRES- a er , Fig.1 , waves passing over with mean depth hi , under which neous and isotropic porous seabed h2 . Beneath this porous medium is ssible and impermeable boundary . with radius R is resting verti- e ...
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