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 79
... movements . The development of the pipeline long term movement calculation proce- dure is based on the assumption that the net pipe movements induced by separate seastates in a storm are independent and can be added linearly to obtain ...
... movements . The development of the pipeline long term movement calculation proce- dure is based on the assumption that the net pipe movements induced by separate seastates in a storm are independent and can be added linearly to obtain ...
Page 246
... movement . Therefore , in order to control the upward creep of an " imperfect " pipe the uplift movement in each tempera- ture cycle should be limited to the " elastic " defor- mation characteristics of the soil , i.e. between point 1 ...
... movement . Therefore , in order to control the upward creep of an " imperfect " pipe the uplift movement in each tempera- ture cycle should be limited to the " elastic " defor- mation characteristics of the soil , i.e. between point 1 ...
Page 268
... movement at platform end . This movement may be in either direction depending upon the changing pattern of temperature and pressure . Furthermore , as the pipeline on seabed or below the seabed tries to move , a frictional force which ...
... movement at platform end . This movement may be in either direction depending upon the changing pattern of temperature and pressure . Furthermore , as the pipeline on seabed or below the seabed tries to move , a frictional force which ...
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