Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 11, Part 5American Society of Mechanical Engineers, 1992 - Arctic regions |
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Page 243
... given in relevant codes and guidelines , to determine the appropriate target safety levels . The annual failure rate for leakage was found to be about 10-4 / km and for rupture 10-5 / km . Historical failure data can only be used as a ...
... given in relevant codes and guidelines , to determine the appropriate target safety levels . The annual failure rate for leakage was found to be about 10-4 / km and for rupture 10-5 / km . Historical failure data can only be used as a ...
Page 261
... given by eqn . ( 25 ) . The characteristic value Ас is then calculated as follows Ao A1 Ac for S > Soc for S Soc where , comparing with eqn . ( 25 ) , A0 A1 = 1 / ( CicCzc ) = 1.9 1012 Stnom da aoc ( MM / ) ( a ) m / 2 and , comparing ...
... given by eqn . ( 25 ) . The characteristic value Ас is then calculated as follows Ao A1 Ac for S > Soc for S Soc where , comparing with eqn . ( 25 ) , A0 A1 = 1 / ( CicCzc ) = 1.9 1012 Stnom da aoc ( MM / ) ( a ) m / 2 and , comparing ...
Page 464
... given time , the heat content of the fluid in the pipe segment is given by , = 9. U. A. ( To - T1 ) ( 6 ) We will assume further that heat continues to be transferred at the rate of qo for some period of time , say At . At the end of ...
... given time , the heat content of the fluid in the pipe segment is given by , = 9. U. A. ( To - T1 ) ( 6 ) We will assume further that heat continues to be transferred at the rate of qo for some period of time , say At . At the end of ...
Contents
OFFSHORE PIPELINE TECHNOLOGY | 53 |
CODESSTANDARDS AND REGULATIONS | 75 |
OFFSHORE MECHANICS AND ARCTIC ENGINEERING | 89 |
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Alberta amplitude analysis applied assessment axial bending buckling burst pressure calibrated Canadian Standards Association coefficient collapse construction corroded region corrosion corrosion pit crack criterion cylinder damper defects depth displacement distribution effect elastic Engineering environmental equation estimated evaluation failure modes failure probability fatigue damage Figure finite element flow force fractile fracture limit fracture mechanics fracture toughness frequency frost heave gas pipeline geometry hoop stress installation lift force limit state function Limit States Design load lognormal longitudinal maximum measured methods offshore pipelines OMAE operation orifice plate parameters pipe wall pipeline design pipeline spans pipeline system plastic predicted ratio reliability S-N curve safety level sample simulation SMYS soil specific standards steel stepblade strain strake stress concentration structural Submarine Pipeline Table temperature differential tensile topsoil tube bundle uncertainty usage factor variable vibration vortex shedding wall thickness weld yield strength yield stress