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 95
... underwater than in air . The substantial external pressure measured in full - scale underwater tests suggest a reduction in the driving force for crack propagation [ 5 ] . To provide a better understanding of the axial rupture process ...
... underwater than in air . The substantial external pressure measured in full - scale underwater tests suggest a reduction in the driving force for crack propagation [ 5 ] . To provide a better understanding of the axial rupture process ...
Page 97
... underwater pipes pening than for the in - air case ( Figs 8 and 9 ) . ssures for the two cases are identical , there y dissipation mechanism in the underwater e I , all the energy dissipation mechanisms in e to the crack propagation ...
... underwater pipes pening than for the in - air case ( Figs 8 and 9 ) . ssures for the two cases are identical , there y dissipation mechanism in the underwater e I , all the energy dissipation mechanisms in e to the crack propagation ...
Page 362
... UNDERWATER FRICTION WELDING During the 1970's , early experiments with underwater friction welding were conducted at the Welding Institute in Cambridge , England . These early trials using one percent carbon steel studs and mild steel ...
... UNDERWATER FRICTION WELDING During the 1970's , early experiments with underwater friction welding were conducted at the Welding Institute in Cambridge , England . These early trials using one percent carbon steel studs and mild steel ...
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