Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 5American Society of Mechanical Engineers, 1988 - Arctic regions |
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Page 34
... Pipe Fig.2 , from extended to 12 m long . The value of oo was 0.098 . was One kind of plastic pipe with 11 cm diameter used as the oblique pipe model . The pipe was stiff enough without evident deflection . As shown in Fig.3 ( a ) the ...
... Pipe Fig.2 , from extended to 12 m long . The value of oo was 0.098 . was One kind of plastic pipe with 11 cm diameter used as the oblique pipe model . The pipe was stiff enough without evident deflection . As shown in Fig.3 ( a ) the ...
Page 224
... pipes by count of the above test results and its good ty . Table 4 Chemical compositions of welded clad Pipe Pitting corrosion test results of overlays A O No pitting ASTM G48 , 24hrs Pitting 8 Cu , Nb Cladding 0.01 0.19 0.21 0.003 ...
... pipes by count of the above test results and its good ty . Table 4 Chemical compositions of welded clad Pipe Pitting corrosion test results of overlays A O No pitting ASTM G48 , 24hrs Pitting 8 Cu , Nb Cladding 0.01 0.19 0.21 0.003 ...
Page 245
... pipe can take place for foundation imper- fections above a certain critical size . Thus , a pipe- line which originally was installed with only founda- tion imperfections can , upon start of production , un- dergo local plastification ...
... pipe can take place for foundation imper- fections above a certain critical size . Thus , a pipe- line which originally was installed with only founda- tion imperfections can , upon start of production , un- dergo local plastification ...
Contents
Model Tests | 3 |
B Bryndum V Jacobsen and D T Tsahalis 9 | 21 |
Scour Under Pipelines | 33 |
Copyright | |
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acoustic velocity analysis Arctic Engineering axial behaviour bending bottom boundary layer buckling cable calculated clamp Cobia compression corrosion crack cylinder deflection deformation developed dew point diameter drag drag coefficient effect elastic equation experimental field Figure finite element flow force coefficients free span frequency friction friction welding function hoop stress horizontal Hydraulic hydrodynamic hydrodynamic forces in-line installation irregular waves length lift coefficient lift force liquid load maximum measured mechanical method monitoring movement nodal analysis operating parameters phase pipe displacement pipe material pipeline predicted pressure procedure ratio response riser roughness SCADA scour sea bed sea floor seabed shown simulated slug soil steady current steel storm strain strain gauges stress structural submarine pipelines surface Technology temperature tion Turning Bands underwater values variation vertical vortex shedding water depth welding zone