Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 16, Parts 5-6American Society of Mechanical Engineers, 1997 - Arctic regions |
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Page 25
... reduced velocity , stability parameter , turbulence intensity , flow incident angle and gap ratio . The non - dimensional amplitude of in - line VIV is expressed as follows : z / ( D ) = F ( V ,, Ks ) G ( ΓΈ , I , ) H ( e / D ) where ...
... reduced velocity , stability parameter , turbulence intensity , flow incident angle and gap ratio . The non - dimensional amplitude of in - line VIV is expressed as follows : z / ( D ) = F ( V ,, Ks ) G ( ΓΈ , I , ) H ( e / D ) where ...
Page 27
... reduced velocity at onset , both for onset and maximum amplitude . Moreover , the in - field experiments and the laboratory tests showed that the reduced velocity at onset decreases as the gap ratio and the specific mass decrease ...
... reduced velocity at onset , both for onset and maximum amplitude . Moreover , the in - field experiments and the laboratory tests showed that the reduced velocity at onset decreases as the gap ratio and the specific mass decrease ...
Page 29
... reduction factor , H ( e / D ) 2 Figure 3 V reduced velocity . Vr Figure 5 - 0.1 maximum amplitude of in - line VIV , ( ZYD 0.2 D maximum amplitude of in - line VIV . ( Zmax / ( YD ) ) Figure 6 0.2 29 amplitude reduction factor , G10 ...
... reduction factor , H ( e / D ) 2 Figure 3 V reduced velocity . Vr Figure 5 - 0.1 maximum amplitude of in - line VIV , ( ZYD 0.2 D maximum amplitude of in - line VIV . ( Zmax / ( YD ) ) Figure 6 0.2 29 amplitude reduction factor , G10 ...
Contents
FREE SPANNING PIPELINEMULTISPAN PROJECTS | 11 |
Design Guideline for Free Spanning Pipelines | 28 |
RELIABILITY DESIGN SUPERB AND DNV96 PROJECTS | 45 |
Copyright | |
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amplitude analysis ASME axial beam bending bending moment bottom boundary calculated characteristics coefficient collapse condition corrosion cross-flow defect deformation density Det Norske Veritas developed diameter displacement dynamic elastic electrodes Engineering equation evaluated experimental fatigue Figure floating airport flow rate fluid force free span function hoop stress horizontal hydrodynamic Hydroelastic impeller in-line VIV incident waves inspection instability region installation interaction Japan large floating structure length limit limit state design linepipe load effects maximum measured Mega-Float meter method mode mooring motion natural frequencies node numerical obtained Offshore parameters phase pipe predicted pressure distribution ratio reduced velocity reliability response safety class safety factors safety levels sand wave seabed simulation Statoil steel strain stress surface Table temperature thickness titanium trawl turbulence two-phase flow uncertainty velocity potential vertical vibration VLFS Vortex Induced Vibrations water depth wave height welding