Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 14, Part 5American Society of Mechanical Engineers, 1995 - Arctic regions |
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Page 491
... response has been shown to be very sensitive to the applied axial pull , some tests were performed maintaining the current and applying different values of axial force , thus changing the natural frequency , reduced velocity and model ...
... response has been shown to be very sensitive to the applied axial pull , some tests were performed maintaining the current and applying different values of axial force , thus changing the natural frequency , reduced velocity and model ...
Page 492
... response amplitude with Reynolds number , fig . 9 . Analogous results were found in SVS project , Bryndum et al . ( 1989 ) , where flexible models rarely showed in - line lock in ( and only in the second instability region ) but rigid ...
... response amplitude with Reynolds number , fig . 9 . Analogous results were found in SVS project , Bryndum et al . ( 1989 ) , where flexible models rarely showed in - line lock in ( and only in the second instability region ) but rigid ...
Page 497
... Response Figure 10. In - Line response , numbers given at points are turbulence level in % Maximum Static Deflection / Span Length ( % ) 0.07 0.6 3 5 6 7 Reduced Velocity Related to First Vertical Frequency Figure 13. Cross - Flow response ...
... Response Figure 10. In - Line response , numbers given at points are turbulence level in % Maximum Static Deflection / Span Length ( % ) 0.07 0.6 3 5 6 7 Reduced Velocity Related to First Vertical Frequency Figure 13. Cross - Flow response ...
Contents
Current Measurements and Modelling Data Basis for Pipeline | 29 |
20 Years Learning Experience | 37 |
Innovations in Pipeline Installation | 47 |
Copyright | |
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American Gas Association analysis applied approach ASME assessment backfill behaviour bending buckling cathodic protection chromium compressive corrosion rate cost cracking criteria CTOD curve defects deformation depth diameter disbonded displacement effect Engineering equation evaluation factors failure finite element flow gas pipelines geotechnical ground movement hazards hoop stress increase influence diagram inspection installation integrity interaction internal coating joint landslide LIGHTLY CORROSIVE limit line pipe load localisation maintenance material maximum measurements mechanical method North Sea Norwegian Trench Offshore operating parameters performed pipe material Pipeline Technology plastic potential predicted pressure probabilistic risk S-N curve safety samples seabed shear strength shown in Figure SINTEF Skaha Lake slope soil resistance specimen steel strain stress Stress Corrosion Cracking surface temperature tensile tests thermal insulation tidal tie-in trench values wall thickness weld metal yield strength