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 6
... lift phase angle shows considerable scatter . The maximum lift most frequently occurs at maximum velocity but can also be seen to occur sometimes well before this point of the cycle . DESIGN APPLICATION The recommended maximum force ...
... lift phase angle shows considerable scatter . The maximum lift most frequently occurs at maximum velocity but can also be seen to occur sometimes well before this point of the cycle . DESIGN APPLICATION The recommended maximum force ...
Page 30
... Lift ( Fy ) Zero down - crossing 288 488 --- MOBs - Pred - Var . 1548.76 ادمان AI 1.11 Lift ( Fy ) Zoro up - crossing Mess - Pred - Ver . 1 1257.77 A 1 .96 Lift ( Fy ) Zero up - crossing 488+ 288+ 200 488 a ) 488- 288+ 288 488 b ) P744 ...
... Lift ( Fy ) Zero down - crossing 288 488 --- MOBs - Pred - Var . 1548.76 ادمان AI 1.11 Lift ( Fy ) Zoro up - crossing Mess - Pred - Ver . 1 1257.77 A 1 .96 Lift ( Fy ) Zero up - crossing 488+ 288+ 200 488 a ) 488- 288+ 288 488 b ) P744 ...
Page 44
... lift can be explained by the position of the stagnation point and the angle of attack of the ap- proaching flow ... lift force : The larger the strength of the vortices shed , the larger the fluctuating lift force . Since the vortices ...
... lift can be explained by the position of the stagnation point and the angle of attack of the ap- proaching flow ... lift force : The larger the strength of the vortices shed , the larger the fluctuating lift force . Since the vortices ...
Contents
OFFSHORE MECHANICS | 3 |
Seabed Scour Under Pipelines | 33 |
Flow Around and Forces on a Pipeline Near a Scoured | 39 |
Copyright | |
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acoustic velocity analysis Arctic Engineering axial bending bottom clamp boundary layer buckling calculated clad pipes clamp elevation compression Conference on Offshore crack cylinder deflection deformation developed dew point diameter drag drag coefficient effect electrode equation experimental Figure finite element finite element analysis flow force coefficients free span frequency friction function hoop stress hydrodynamic hydrodynamic forces in-line installation leak detection leak detection system length lift coefficient lift force line pipes liquid load maximum measured Mechanics and Arctic method monitoring nodal analysis Offshore Mechanics operating parameters phase pipe displacement pipeline pore predicted present pressure procedure ratio regular waves response riser roughness SCADA scour sea bed sea floor seabed shown simulated soil steady current strain strain gauges stress structural submarine pipelines surface technique temperature thickness tion two-phase flow values variation vertical vortex shedding weld metal