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 114
... tracers as continuous indicators of local wall thickness . Figure 1 depicts schematically how this is accomplished : first , the tracers are washed away as soon as they are exposed to the flow by the receding inner surface . Next , the ...
... tracers as continuous indicators of local wall thickness . Figure 1 depicts schematically how this is accomplished : first , the tracers are washed away as soon as they are exposed to the flow by the receding inner surface . Next , the ...
Page 116
... tracers and NaI scintillators the respective values of μ ( Hubbell , 1969 ) are : 0.0168 , 0.32 and .215 1 / cm . Equation 5 predicts a count of 75 which indicates that it may not be feasible , with the above arrangement , to detect tracers ...
... tracers and NaI scintillators the respective values of μ ( Hubbell , 1969 ) are : 0.0168 , 0.32 and .215 1 / cm . Equation 5 predicts a count of 75 which indicates that it may not be feasible , with the above arrangement , to detect tracers ...
Page 119
... Wall at Different Locations Serve as Monitors of Wall Thickness Tracer Capsule Weld Epoxy Bead Microspheres Tracers ( Liquid ) · TABLE 1 - POSSIBLE SELECTION OF TRACERS TRACER HALF -. Figure 3 Methods of Tracer Embedment. 119.
... Wall at Different Locations Serve as Monitors of Wall Thickness Tracer Capsule Weld Epoxy Bead Microspheres Tracers ( Liquid ) · TABLE 1 - POSSIBLE SELECTION OF TRACERS TRACER HALF -. Figure 3 Methods of Tracer Embedment. 119.
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addition analysis applied approach assessment assumed bending calculations caused considered CONTINUE corrosion crack damage deformation depth described diameter direction displacement distribution effect energy Engineering ensemble equations factors failure field Figure flow force fracture function given hole included increase initial installation internal layer length limit load material maximum mean measured mechanical method mode movement obtained occurred Offshore operation parameters pipe pipeline plastic plate platform position predicted presented pressure probability problem procedure properties radial range reduced relative reliability resistance response safety scaling scour seabed shown shows simulated soil solution span stability steel strain strength stress structure subsea surface Table term thickness toughness tracers tube uncertainty values valve variables wall wave weight weld