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 39
... experiments . ent . int . the fluctuating component of the pipe and the bed . equency . .on = : ( t * edding . tu / D ) . 7 component . y at distance a from the bed . y at the top edge of the pipe . locity well upstream of the pipe ...
... experiments . ent . int . the fluctuating component of the pipe and the bed . equency . .on = : ( t * edding . tu / D ) . 7 component . y at distance a from the bed . y at the top edge of the pipe . locity well upstream of the pipe ...
Page 47
... experiments ( Fig . 10 ) . It can be speculated that the apparent discrepancy be- tween the model and the experiments exhibited in Table 2 is due to the omitted boundary layer effect . Fig . 15 compares the bed velocity determined ...
... experiments ( Fig . 10 ) . It can be speculated that the apparent discrepancy be- tween the model and the experiments exhibited in Table 2 is due to the omitted boundary layer effect . Fig . 15 compares the bed velocity determined ...
Page 95
... experiments . The purpose to determine the effect of the external water pening characteristics . The development of corded by high - speed photography ; measure- e internal depressurization transient and the measured depressurization ...
... experiments . The purpose to determine the effect of the external water pening characteristics . The development of corded by high - speed photography ; measure- e internal depressurization transient and the measured depressurization ...
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