Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 5American Society of Mechanical Engineers, 1992 - Arctic regions |
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Page 175
... ratio ) , and the ratio of the height of the strake to the thickness of the strake ( h / t ratio ) . For an 8 - inch nominal diameter pipeline ( insulated diameter D = 14.625 inches ) , h / D ratios of 10 % and 12 % are obtained for h ...
... ratio ) , and the ratio of the height of the strake to the thickness of the strake ( h / t ratio ) . For an 8 - inch nominal diameter pipeline ( insulated diameter D = 14.625 inches ) , h / D ratios of 10 % and 12 % are obtained for h ...
Page 176
... ratio with decreasing temperatures . The low temperature results indicate that the increase in stiffness is associated with a dramatic increase in damping ratio . Thus the potential loss of tuning due to stiffening may be compensated by ...
... ratio with decreasing temperatures . The low temperature results indicate that the increase in stiffness is associated with a dramatic increase in damping ratio . Thus the potential loss of tuning due to stiffening may be compensated by ...
Page 260
... ratio of 1.1 may be applied . ( 30 ) The 8 , is the ratio of 8 to the fracture additional toughness max , with an adjustment ρ to allow for plasticity interactions of the primary and secondary stresses 58 , √ ( 81 / 8max ) + p ρ where ...
... ratio of 1.1 may be applied . ( 30 ) The 8 , is the ratio of 8 to the fracture additional toughness max , with an adjustment ρ to allow for plasticity interactions of the primary and secondary stresses 58 , √ ( 81 / 8max ) + p ρ where ...
Contents
OFFSHORE PIPELINE TECHNOLOGY | 53 |
CODESSTANDARDS AND REGULATIONS | 75 |
OFFSHORE MECHANICS AND ARCTIC ENGINEERING | 89 |
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Alberta analysis applied Arctic assessment axial bending buckling buried pipelines calculated Canadian Standards Association coefficient construction corrosion crack criteria cylinder damage defects depth developed diameter displacement distribution effect elastic Engineering environmental equation equipment estimated evaluation failure probability fatigue finite element flow force fractile fracture fracture mechanics frequency frost heave frozen soil gas pipeline geometry hoop stress horizontal inspection installation interaction internal lift force Limit States Design load lognormal longitudinal maximum measured Mechanics meter methods offshore pipelines OMAE operation orifice orifice plate parameters permafrost pipe wall pipeline spans pipeline system Pipeline Technology ASME plastic predicted pressure ratio reliability S-N curve scour simulation SMYS solution specific standards steel strain structural Table Technology ASME 1992 temperature differential tensile tube bundle usage factor variable velocity profile vertical vibration volumetric flow rate vortex shedding wall thickness weld yield strength