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 43
ONU 1 1 Mean and r.m.s. bed velocities . a ). F 20 cm / s EFF I I where fy is the vortex shedding frequency , and up the undisturbed velocity at y = D , following Grass et al . ( 8 ) . The force coefficients , CD , and CL and also 2 * C ...
ONU 1 1 Mean and r.m.s. bed velocities . a ). F 20 cm / s EFF I I where fy is the vortex shedding frequency , and up the undisturbed velocity at y = D , following Grass et al . ( 8 ) . The force coefficients , CD , and CL and also 2 * C ...
Page 45
TI IV I I Comparison of forces and Strouhal number between the cases of a cylinder over a scoured and a plane bed . a ) mean drag coefficient b ) mean lift coefficient ; c ) mean double amplitude of the fluctuating lift force ...
TI IV I I Comparison of forces and Strouhal number between the cases of a cylinder over a scoured and a plane bed . a ) mean drag coefficient b ) mean lift coefficient ; c ) mean double amplitude of the fluctuating lift force ...
Page 142
Dynamic global responses have been computed by mean of mode superpositions , assuming pipe segm ent stiffness to be substantially greater than the stiff ness of the contact zone with the sea floor , as far as the Mediterranean Sea area ...
Dynamic global responses have been computed by mean of mode superpositions , assuming pipe segm ent stiffness to be substantially greater than the stiff ness of the contact zone with the sea floor , as far as the Mediterranean Sea area ...
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Contents
Seabed Scour Under Pipelines | 33 |
Flow Around and Forces on a Pipeline Near a Scoured | 39 |
MEASUREMENTS OF PIPELINE LEAK DETECTION | 55 |
Copyright | |
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analysis application approach Arctic areas assumed axial bending bottom boundary buckling calculated carried caused coefficient combined compared compression considered corrosion cost cylinder deformation depth detection determined developed diameter direction displacement drag effect element Engineering equation example experimental experiments field Figure flow force frequency function given ground heat increase installation International leak length lift 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 relatively response scour seabed shown shows simulated soil solution span steel strain stress structural surface Table technique temperature thickness tion values variation velocity wall wave welding zone
Bibliographic information
| Title | Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 5 |
| Contributor | American Society of Mechanical Engineers. Offshore Mechanics and Arctic Engineering Division |
| Publisher | American Society of Mechanical Engineers, 1988 |
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