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 8
... effect of be compared to the effect of in- per in case of pure wave action . steady current is most pronounced ce Roughness e conditions tested vary from re- itions to extremely rough . Practi- ms will normally fall within the ted . Fig ...
... effect of be compared to the effect of in- per in case of pure wave action . steady current is most pronounced ce Roughness e conditions tested vary from re- itions to extremely rough . Practi- ms will normally fall within the ted . Fig ...
Page 138
... effect ill be less . 1.0 0.5- CD = 2.0 d / D = 0.5 Fixed ends Simply supported 10 20 L / D 30 40 Variation of Nondimensional Bending Stress with Slenderness Ratio . IONS analysis method is presented for deter- the response of suspended ...
... effect ill be less . 1.0 0.5- CD = 2.0 d / D = 0.5 Fixed ends Simply supported 10 20 L / D 30 40 Variation of Nondimensional Bending Stress with Slenderness Ratio . IONS analysis method is presented for deter- the response of suspended ...
Page 274
e 5. Effect of changing second bottom - most clamp elevation lia . Table 6. Effect of changing permissi combined stress Second Clamp location from seabed Pipe dia . η 20m 21.5m 23m 25m ( mm ) 0.50 0.55 0.60 5.82 5.32 5.17 4.81 219 6.26 ...
e 5. Effect of changing second bottom - most clamp elevation lia . Table 6. Effect of changing permissi combined stress Second Clamp location from seabed Pipe dia . η 20m 21.5m 23m 25m ( mm ) 0.50 0.55 0.60 5.82 5.32 5.17 4.81 219 6.26 ...
Contents
Model Tests | 3 |
B Bryndum V Jacobsen and D T Tsahalis 9 | 21 |
Scour Under Pipelines | 33 |
Copyright | |
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Common terms and phrases
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