Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 4American Society of Mechanical Engineers, 2001 - Arctic regions |
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Page 179
... scour around pipelines ( Li & Cheng , 2000 ) , the effect of pipeline sagging on local scour development as well as the characteristics of flow and sediment transport under live - bed condition have been investigated . It is found that ...
... scour around pipelines ( Li & Cheng , 2000 ) , the effect of pipeline sagging on local scour development as well as the characteristics of flow and sediment transport under live - bed condition have been investigated . It is found that ...
Page 182
... scour rate around the pipe decline rapidly as the flow inside the scour hole is significantly weakened by the pipe . The flow within the scour pit is extremely weak when the pipe is about to touch the seabed . In this particular case ...
... scour rate around the pipe decline rapidly as the flow inside the scour hole is significantly weakened by the pipe . The flow within the scour pit is extremely weak when the pipe is about to touch the seabed . In this particular case ...
Page 183
... scour depth due to sagging is very small . This is because the sagging is so fast that there is little time for scour development before the pipeline touches the seabed . Once the pipeline touches the seabed , flow mechanism changes and ...
... scour depth due to sagging is very small . This is because the sagging is so fast that there is little time for scour development before the pipeline touches the seabed . Once the pipeline touches the seabed , flow mechanism changes and ...
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Common terms and phrases
accretion analysis annulus Arctic Engineering Arctic Ocean axial loading behavior bending stiffness Bohai buckle arrestor bundle cable calculated carrier pipe catenary coefficient collapse compressive Conference on Offshore configuration corrosion crack damping ratio deepwater defect deformation Det Norske Veritas developed diameter displacement dynamic elastic experimental failure pressures Figure finite element finite element analysis flexible pipe flowline fluid fracture freespans gauge grooves heat transfer heat transfer coefficient hummocks ice force ice load ice sheet increase installation insulation internal pressure layer length liner maximum Mechanics and Arctic method Offshore Mechanics operation parameters PETROBRAS phase pipeline pipeline system plastic predicted ratio reeling Rio de Janeiro riser system risk sagging sand scour sea ice seabed shear stress simulation soil specimens stamukhas steel strain strain gauges stress structure subsea surface temperature tension tests thermal thickness titanium values velocity water depth weld wrinkle