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 121
shoulders : the the interaction free span model under field conditions . Soil - Pipe interaction at free span significance of damping caused by between the pipe and the soil at the shoulders of the free span was firstly appraised by a ...
shoulders : the the interaction free span model under field conditions . Soil - Pipe interaction at free span significance of damping caused by between the pipe and the soil at the shoulders of the free span was firstly appraised by a ...
Page 122
... free spanning flexible pipeline and that in simplified manner . The flexible model is close to being a scale model of a prototype span . A long flexible pipe is suspended between two supports . The supports have low friction hinges ...
... free spanning flexible pipeline and that in simplified manner . The flexible model is close to being a scale model of a prototype span . A long flexible pipe is suspended between two supports . The supports have low friction hinges ...
Page 124
... free span due to large drag forces , which contributes to shift natural frequencies to higher values ; in these cases , which are typical of very flexible free spans , cross - flow lock - in appears for higher reduced velocities . This ...
... free span due to large drag forces , which contributes to shift natural frequencies to higher values ; in these cases , which are typical of very flexible free spans , cross - flow lock - in appears for higher reduced velocities . This ...
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