Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 9, Part 5American Society of Mechanical Engineers, 1990 - Arctic regions |
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Page 65
... range 1 ≤ Ur ≤ 3 is negligible for pipeline spans . · Further simplifications to Equation ( 10 ) may be possi- ble if the damping ratio and / or the mode shape p ( x ' ) are constant between model and prototype . SCALING PROCEDURE ...
... range 1 ≤ Ur ≤ 3 is negligible for pipeline spans . · Further simplifications to Equation ( 10 ) may be possi- ble if the damping ratio and / or the mode shape p ( x ' ) are constant between model and prototype . SCALING PROCEDURE ...
Page 66
... range 0 ≤ Ur ≤ 12 , while the response amplitude varies considerably with Up for 0 . KC - The method of scaling outlined here , could be in principle extended to combined flow conditions . In this case , the scaled response ( Equation ...
... range 0 ≤ Ur ≤ 12 , while the response amplitude varies considerably with Up for 0 . KC - The method of scaling outlined here , could be in principle extended to combined flow conditions . In this case , the scaled response ( Equation ...
Page 93
... range of the migrant gas ignition risk is seldom more than 500 to 1500 meters , while the maximum range of radiation risk is of the order of 500 metres . risk Table 2 indicates the extent of the risk when the blowdown length is 1,5 km ...
... range of the migrant gas ignition risk is seldom more than 500 to 1500 meters , while the maximum range of radiation risk is of the order of 500 metres . risk Table 2 indicates the extent of the risk when the blowdown length is 1,5 km ...
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addition analysis applied approach assessment assumed bending calculations caused considered CONTINUE corrosion crack damage deformation depth described diameter direction displacement distribution effect energy Engineering ensemble equations factors failure field Figure flow force fracture function given hole included increase initial installation internal layer length limit load material maximum mean measured mechanical method mode movement obtained occurred Offshore operation parameters pipe pipeline plastic plate platform position predicted presented pressure probability problem procedure properties radial range reduced relative reliability resistance response safety scaling scour seabed shown shows simulated soil solution span stability steel strain strength stress structure subsea surface Table term thickness toughness tracers tube uncertainty values valve variables wall wave weight weld