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 170
The present study have shown that if vibrations start , the scour depth will increase , thereby increasing the distance from the pipe to the bottom . The reduction in amplitude of 30-40 % compared to a free flow case , is less than the ...
The present study have shown that if vibrations start , the scour depth will increase , thereby increasing the distance from the pipe to the bottom . The reduction in amplitude of 30-40 % compared to a free flow case , is less than the ...
Page 175
A FORMULA TO PREDICT THE EQUILIBRIUM SCOUR DEPTH BENEATH SUBMARINE PIPELINE A. A. Ibrahim , Deputy Director Research and Consultancy Unit Universiti Teknologi Malaysia Jalan Gurney Kuala Lumpur , Malaysia 175 1 1 experimentally obtained ...
A FORMULA TO PREDICT THE EQUILIBRIUM SCOUR DEPTH BENEATH SUBMARINE PIPELINE A. A. Ibrahim , Deputy Director Research and Consultancy Unit Universiti Teknologi Malaysia Jalan Gurney Kuala Lumpur , Malaysia 175 1 1 experimentally obtained ...
Page 87
400 M WATER DEPTH , S - SHAPE KEVLAR o 750 M WATER DEPTH , S - SHAPE KEVLAR 400 M WATER DEPTH , S - SHAPE STEEL O 400 ... at the lower end of the umbilical as a function of current speed for different water depths and umbilical types .
400 M WATER DEPTH , S - SHAPE KEVLAR o 750 M WATER DEPTH , S - SHAPE KEVLAR 400 M WATER DEPTH , S - SHAPE STEEL O 400 ... at the lower end of the umbilical as a function of current speed for different water depths and umbilical types .
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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