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 179
... wall thickness and high strength line pipes have been required for higher operating pressure to increase transportation efficiency . Increasing the strength of line pipes has been required from the economical point of view as well ...
... wall thickness and high strength line pipes have been required for higher operating pressure to increase transportation efficiency . Increasing the strength of line pipes has been required from the economical point of view as well ...
Page 241
... wall pipes of more than 20 mm in thickness , the efficiency of the combined use was higher by 40 % or over than that of the conventional vertical upward low hydrogen electrode welding and by 15 % or over than that of the high cellulose ...
... wall pipes of more than 20 mm in thickness , the efficiency of the combined use was higher by 40 % or over than that of the conventional vertical upward low hydrogen electrode welding and by 15 % or over than that of the high cellulose ...
Page 272
... Wall Thickness The flexural rigidity of riser increases with riser wall thickness . The minimum wall thickness of the four example risers , as shown in Table 2 , is increased by a certain amount to study the effect of increased wall ...
... Wall Thickness The flexural rigidity of riser increases with riser wall thickness . The minimum wall thickness of the four example risers , as shown in Table 2 , is increased by a certain amount to study the effect of increased wall ...
Contents
OFFSHORE MECHANICS | 3 |
Seabed Scour Under Pipelines | 33 |
Flow Around and Forces on a Pipeline Near a Scoured | 39 |
Copyright | |
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acoustic velocity analysis Arctic Engineering axial bending bottom clamp boundary layer buckling calculated clad pipes clamp elevation compression Conference on Offshore crack cylinder deflection deformation developed dew point diameter drag drag coefficient effect electrode equation experimental Figure finite element finite element analysis flow force coefficients free span frequency friction function hoop stress hydrodynamic hydrodynamic forces in-line installation leak detection leak detection system length lift coefficient lift force line pipes liquid load maximum measured Mechanics and Arctic method monitoring nodal analysis Offshore Mechanics operating parameters phase pipe displacement pipeline pore predicted present pressure procedure ratio regular waves response riser roughness SCADA scour sea bed sea floor seabed shown simulated soil steady current strain strain gauges stress structural submarine pipelines surface technique temperature thickness tion two-phase flow values variation vertical vortex shedding weld metal