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
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