Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 4American Society of Mechanical Engineers, 2001 - Arctic regions |
From inside the book
Results 1-3 of 78
Page 48
... depth . The bending moment distributions are presented in Fig . 4 and 5. The horizontal axis presents depth : waterline is at left , sea bottom at the location of vertical axis , and grid interval is 1 m . The moment area above the wind ...
... depth . The bending moment distributions are presented in Fig . 4 and 5. The horizontal axis presents depth : waterline is at left , sea bottom at the location of vertical axis , and grid interval is 1 m . The moment area above the wind ...
Page 182
... depth to pipe sagging is captured by the numerical model , although there is room for further improvement . It can be seen from the experimental results that the maximum scour depth underneath the pipe increases about 30 % at this ...
... depth to pipe sagging is captured by the numerical model , although there is room for further improvement . It can be seen from the experimental results that the maximum scour depth underneath the pipe increases about 30 % at this ...
Page 183
... depth development as the pipeline lowering in different speed For the relative fast sagging case , i.e. Vd = 12.4 mm / minute , the increase of scour depth due to sagging is very small . This is because the sagging is so fast that there ...
... depth development as the pipeline lowering in different speed For the relative fast sagging case , i.e. Vd = 12.4 mm / minute , the increase of scour depth due to sagging is very small . This is because the sagging is so fast that there ...
Other editions - View all
Common terms and phrases
accretion analysis annulus Arctic Engineering Arctic Ocean axial loading behavior bending stiffness Bohai buckle arrestor 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