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 56
... surface is housed in the cell . In order to take advantage of the wetting properties of hydrocarbons and water to distin- guish between their respective dew points , the mirror surface and the light detection device have to be properly ...
... surface is housed in the cell . In order to take advantage of the wetting properties of hydrocarbons and water to distin- guish between their respective dew points , the mirror surface and the light detection device have to be properly ...
Page 57
... SURFACE LIGHT -20 0 23 DEG C 20 40 60 80 100 120 140 SHINY -20 -10 -5 0 ROUGH SURFACE SURFACE PIXEL NUMBER Fig.2 CCD OUTPUT bottom is the white light level . At room temperature , in the absence of any condensation , the CCD pixels ( #s ...
... SURFACE LIGHT -20 0 23 DEG C 20 40 60 80 100 120 140 SHINY -20 -10 -5 0 ROUGH SURFACE SURFACE PIXEL NUMBER Fig.2 CCD OUTPUT bottom is the white light level . At room temperature , in the absence of any condensation , the CCD pixels ( #s ...
Page 58
... surface stays constant whereas the pixels corresponding to the shiny surface show a sharp change at 5 ° C indicating the dew point temperature of water in atmospheric air to be 5 ° C . 100 50 OUTPUT / ARBITRARY UNITS AIR / WATER MIXTURE ...
... surface stays constant whereas the pixels corresponding to the shiny surface show a sharp change at 5 ° C indicating the dew point temperature of water in atmospheric air to be 5 ° C . 100 50 OUTPUT / ARBITRARY UNITS AIR / WATER MIXTURE ...
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