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 21
... developed flow the distribution of the turbulent shear stress ( tt ) across the pipe diameter is linear and its extrapolation to the wall would result in an estimation of the wall shear stress . Figure 3 shows our measurements of the ...
... developed flow the distribution of the turbulent shear stress ( tt ) across the pipe diameter is linear and its extrapolation to the wall would result in an estimation of the wall shear stress . Figure 3 shows our measurements of the ...
Page 22
fully developed flow by Laufer ( 1954 ) and Lawn ( 1971 ) . The correlation coefficient reaches an asymptotic value of approximately 0.43 near the wall . This value was measured as 0.4 and 0.5 by ( Lawn , 1971 ) and ( Laufer , 1954 ) ...
fully developed flow by Laufer ( 1954 ) and Lawn ( 1971 ) . The correlation coefficient reaches an asymptotic value of approximately 0.43 near the wall . This value was measured as 0.4 and 0.5 by ( Lawn , 1971 ) and ( Laufer , 1954 ) ...
Page 28
... developed , then the cross over can be expected at a location where the magnitude of the turbulent intensity upstream of the orifice plate is nearly fully developed . Higher intensities would result in higher pressures and vice versa ...
... developed , then the cross over can be expected at a location where the magnitude of the turbulent intensity upstream of the orifice plate is nearly fully developed . Higher intensities would result in higher pressures and vice versa ...
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