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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analysis applied Arctic areas assumed axial bending bottom boundary calculated caused coefficient combined compared Conference considered corrosion crack cylinder depth determined developed diameter direction displacement drag effect element Engineering equation example experimental experiments field Figure flow free span frequency function given ground hydrodynamic increase influence installation International layer leak detection length lift force limit liquid load material maximum mean measured Mechanics metal method monitoring movement normal obtained Offshore operating parameters performed period phase pipe pipeline position predicted present pressure problem procedure properties range ratio regular waves relative resistance response riser roughness sand scour seabed shown shows simulated soil solution steel strain stress structural surface Table technique temperature thickness tion values variation velocity wall wave welding