Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 9, Part 5American Society of Mechanical Engineers, 1990 - Arctic regions |
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Page 131
... displacement of the pipeline 05 0.75 135.0 .15 Yo = base case mean displacement value 06 0.45 44.7 .32 Ᏸ ; 07 1.20 14.0 .49 i = regression coefficient for parameter no . = basic parameter no . i i 0 02 7500 4.9 .42 08 09 35 0.85 9.3 ...
... displacement of the pipeline 05 0.75 135.0 .15 Yo = base case mean displacement value 06 0.45 44.7 .32 Ᏸ ; 07 1.20 14.0 .49 i = regression coefficient for parameter no . = basic parameter no . i i 0 02 7500 4.9 .42 08 09 35 0.85 9.3 ...
Page 148
... displacement at the end of a storm is the sum of displacements induced by the separate seastates . water A typical calculated pipe displacement time series at simulated the mid - point of a long pipeline under short - crested seas is ...
... displacement at the end of a storm is the sum of displacements induced by the separate seastates . water A typical calculated pipe displacement time series at simulated the mid - point of a long pipeline under short - crested seas is ...
Page 149
... displacement approach , net pipe displacements are accumulated for each seastate within a given storm . Therefore , a maximum allowable net displacement needs to be specified . Two strain limits are provided in the DnV RP . When the ...
... displacement approach , net pipe displacements are accumulated for each seastate within a given storm . Therefore , a maximum allowable net displacement needs to be specified . Two strain limits are provided in the DnV RP . When the ...
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Common terms and phrases
actuator analysis applied assessment axial ball valve Beaufort Sea bending bifurcation break-out buckling calculations check valve circumferential Cisco field coefficient collapse corrosion crack ensembles crack tip damage deformation density distribution effect equations ESD valve Figure flow force fracture fracture mechanics free span function HAZ toughness Houston hydrodynamic ice feature ice hole ice keel ice scour increase installation layer length line pipe Lougheed Island material maximum method mode shape Offshore Mechanics Offshore Technology Conference on-bottom stability parameters partial safety factors pearlite permafrost pipe displacement pipe weight pipeline plastic plate platform predicted pressure procedure radial ratio reliability riser rupture scour hole seabed seastate shows simulated Sotberg stability design strength stress structure Submarine Pipelines subsea subsea ESD surface Table tensile tensile strength tracers tube uncertainty values variables velocity vertical wave yield strength