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 15
0.14 Peak to Peak Amplitude , Xpp / 20 0.14 0.12 Series 1 Series 2 0.1 Series 4 0.08 --Series A1 0.06 0.04 0.02 Response Amplitudes 0 0.5 1 1.5 2 2.5 Reduced Velocity 3 3.5 4.5 Peak to Peak Amplitude ( ( Xpp / 2D ) max ) max First ...
0.14 Peak to Peak Amplitude , Xpp / 20 0.14 0.12 Series 1 Series 2 0.1 Series 4 0.08 --Series A1 0.06 0.04 0.02 Response Amplitudes 0 0.5 1 1.5 2 2.5 Reduced Velocity 3 3.5 4.5 Peak to Peak Amplitude ( ( Xpp / 2D ) max ) max First ...
Page 25
... amplitude were considered in the development of the response model . On this basis , it is assumed that in - line response of pipeline free spans is mainly affected by reduced velocity , stability parameter , turbulence intensity , flow ...
... amplitude were considered in the development of the response model . On this basis , it is assumed that in - line response of pipeline free spans is mainly affected by reduced velocity , stability parameter , turbulence intensity , flow ...
Page 29
... amplitude 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 ...
... amplitude 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 ...
Contents
FREE SPANNING PIPELINEMULTISPAN PROJECTS | 11 |
Design Guideline for Free Spanning Pipelines | 28 |
RELIABILITY DESIGN SUPERB AND DNV96 PROJECTS | 45 |
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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