Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volumes 5-6; Volume 8, Parts 5-6American Society of Mechanical Engineers, 1989 - Arctic regions |
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Page 144
... velocity above the pipeline was out of phase with the ambient flow and reflected thus the wake passing over the pipeline . It was then decided to model the forces in the " classical " way , but with a modified velocity , the effective ...
... velocity above the pipeline was out of phase with the ambient flow and reflected thus the wake passing over the pipeline . It was then decided to model the forces in the " classical " way , but with a modified velocity , the effective ...
Page 157
... velocity ( time dependant ) : Fitted velocity ( steady plus sinusoidal ) : Difference velocity ( U - U1 ) : Effective velocity ( corrected for wake effects ) : Effective velocity corresponding to fitted velo- city : Velocity amplitude ...
... velocity ( time dependant ) : Fitted velocity ( steady plus sinusoidal ) : Difference velocity ( U - U1 ) : Effective velocity ( corrected for wake effects ) : Effective velocity corresponding to fitted velo- city : Velocity amplitude ...
Page 159
... velocity ampli- city Vloc tude U1⁄2 · IMPROVED FOURIER MODEL A considerable improvement to the handling of irregular wave situations is obtained by fitting a combined regu- lar oscillatory and steady velocity to a local irregu- lar velocity ...
... velocity ampli- city Vloc tude U1⁄2 · IMPROVED FOURIER MODEL A considerable improvement to the handling of irregular wave situations is obtained by fitting a combined regu- lar oscillatory and steady velocity to a local irregu- lar velocity ...
Contents
PIPELINE DESIGN AND OPERATIONS | 1 |
PIPELINE INDUSTRY OUTLOOK 89 | 69 |
PIPELINE FORCES DYNAMICS AND STABILITY I | 95 |
Copyright | |
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amplitude analysis applied Arctic Engineering axial base metal bending Buckle length buckling bundle calculated coefficient compressor Conference on Offshore corrosion crack curvature deformation developed diameter displacement ductile effect Eighth International Conference electrodes equation explosive welding failure flaw flow rate gas turbine geometry heat horizontal hydrodynamic hydrodynamic forces hydrogen inertial installation laboratory length lift force line pipe liquid load maximum measured Mechanics and Arctic meters method monitoring natural burial Offshore Mechanics Offshore Technology Conference operation parameters predicted present pressure problem procedure ratio reheated reliability repair resistance response rockdumps sand SAW metal scour depth seabed shown in Figure simulation Snøhvit soft zone soil Sørøya sour gas span Statoil steel stress structural submarine pipelines submerged arc welding Sumer surface Table Technology temperature tion tool trench velocity vertical vibration viscometer viscosity vortex vortex shedding wave