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 7
... in ge coefficients for the horizontal force umber , where the force is ... in each half wave by sing Froude Krylov term π / 4 pD2.a ( t ) was easured in ... line an lift force yield reasonable force predictions for th in - line force ...
... in ge coefficients for the horizontal force umber , where the force is ... in each half wave by sing Froude Krylov term π / 4 pD2.a ( t ) was easured in ... line an lift force yield reasonable force predictions for th in - line force ...
Page 29
... lines have been ances based on the distances rrelation . mparison are shown in Figs . e of the in - line force is used e cases with irregular waves pcrossings and zero - downcros- n one plot . For combined wave ata have been separated into ...
... lines have been ances based on the distances rrelation . mparison are shown in Figs . e of the in - line force is used e cases with irregular waves pcrossings and zero - downcros- n one plot . For combined wave ata have been separated into ...
Page 30
... in - line and lift force , as expressed in the traditional formula- tion for pipeline static stability on non - cohesive soils : | FH ( t ) | < μ ( W - F ( t ) ) μ This expression may be rewritten as ( 6 ) --- Mens - Prod - Var . I ...
... in - line and lift force , as expressed in the traditional formula- tion for pipeline static stability on non - cohesive soils : | FH ( t ) | < μ ( W - F ( t ) ) μ This expression may be rewritten as ( 6 ) --- Mens - Prod - Var . I ...
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