Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volumes 5-6American Society of Mechanical Engineers, 1989 - Arctic regions |
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Page 144
The velocity above the pipeline was out of phase with the ambient flow and reflected thus the wake passing over the pipeline . It then decided to model the forces in the " classical " way , but with modified velocity , the effective ...
The velocity above the pipeline was out of phase with the ambient flow and reflected thus the wake passing over the pipeline . It then decided to model the forces in the " classical " way , but with modified velocity , the effective ...
Page 157
Through pipeline response simulations : Measured velocity ( time dependant ) it is shown that the method is rather insensitive to of : Fitted velocity ( steady plus sinusoidal ) the choice of drag and inertia coefficients involved .
Through pipeline response simulations : Measured velocity ( time dependant ) it is shown that the method is rather insensitive to of : Fitted velocity ( steady plus sinusoidal ) the choice of drag and inertia coefficients involved .
Page 159
( 1 ) For the PIPESTAB model K = UT , ID for the half - cycle 22 . between to and c ' but M is calculated using the local mean velocity over the full cycle to to M = Vioc ' ' : tch i.e. a e where of is the wake corrected velocity ( see ...
( 1 ) For the PIPESTAB model K = UT , ID for the half - cycle 22 . between to and c ' but M is calculated using the local mean velocity over the full cycle to to M = Vioc ' ' : tch i.e. a e where of is the wake corrected velocity ( see ...
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Contents
PIPELINE DESIGN AND OPERATIONS | 1 |
PIPELINE INDUSTRY OUTLOOK 89 | 69 |
PIPELINE FORCES DYNAMICS AND STABILITY I | 95 |
Copyright | |
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analysis applied assumed bending bottom buckling bundle calculated caused coefficient Conference considered construction cost crack dependent depth determined developed diameter direction displacement effect Engineering equation experiments factor failure field Figure flow force function geometry given heat horizontal hydrogen included increase indicated initial installation internal length lift force limit load lower material maximum measured Mechanics metal method monitoring movement natural obtained occur Offshore operation parameters pass pipe pipeline position possible predicted present pressure problem procedure production ratio reduced REFERENCES reliability repair Research resistance response scour seabed separator shown shows simulation soil solution span steel strength stress structural surface Table temperature term tion tool velocity vertical vibration wave weight welding zone
Bibliographic information
| Title | Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volumes 5-6 |
| Contributor | American Society of Mechanical Engineers. Offshore Mechanics and Arctic Engineering Division |
| Publisher | American Society of Mechanical Engineers, 1989 |
| Export Citation | BiBTeX EndNote RefMan |