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 247
... defect increases this equation have a trend to give results that depart from the tests results . Based on the ... defect increases . NOMENCLATURE D. - outside diameter of the pipe t , - nominal wall thickness of the pipe t - wall ...
... defect increases this equation have a trend to give results that depart from the tests results . Based on the ... defect increases . NOMENCLATURE D. - outside diameter of the pipe t , - nominal wall thickness of the pipe t - wall ...
Page 249
... defects ( defects longer than 20 D , t ) , this equation is to be applied only on the assessment of this type of defect . e The general format of the PB equation is identical to the format of the equation of the DNV RP - F101 method ...
... defects ( defects longer than 20 D , t ) , this equation is to be applied only on the assessment of this type of defect . e The general format of the PB equation is identical to the format of the equation of the DNV RP - F101 method ...
Page 251
... defect length increases . For the B31G results this trend is expected because the actual failure pressure decreases with the increase of the defect length while the predicted failure pressure calculated by the equation for long defects ...
... defect length increases . For the B31G results this trend is expected because the actual failure pressure decreases with the increase of the defect length while the predicted failure pressure calculated by the equation for long defects ...
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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