Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volumes 5-6; Volume 8, Parts 5-6American Society of Mechanical Engineers, 1989 - Arctic regions |
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Page 130
... experiment ( Sumer & Fredsøe , ( 1988 ) . KC - 10 KC - 20 EXPERIMENTAL FACILITY Two kinds of experiments were carried out in the pre- sent study : the flow visualization experiments and the velocity measurements . A -10 t = 0.15 min -5 ...
... experiment ( Sumer & Fredsøe , ( 1988 ) . KC - 10 KC - 20 EXPERIMENTAL FACILITY Two kinds of experiments were carried out in the pre- sent study : the flow visualization experiments and the velocity measurements . A -10 t = 0.15 min -5 ...
Page 131
... experiments . W In the actual scour tests referred to above , the pipe diameter D was 30 mm , the wave frequency fw was 0,82 Hz and the maximum outer flow velocity Um was 24 cm / s and the sand size d50 was 0.18 mm for the KC = 10 tests ...
... experiments . W In the actual scour tests referred to above , the pipe diameter D was 30 mm , the wave frequency fw was 0,82 Hz and the maximum outer flow velocity Um was 24 cm / s and the sand size d50 was 0.18 mm for the KC = 10 tests ...
Page 176
... experiments conducted in a 460 mm wide waveflume . The experiments in the case of unidirectional flow conditions covered the ranges of 1.0 < y / D < 12.0 and 0.5 < V / V_ < 1.2 . The combined wave and current experiments were conducted ...
... experiments conducted in a 460 mm wide waveflume . The experiments in the case of unidirectional flow conditions covered the ranges of 1.0 < y / D < 12.0 and 0.5 < V / V_ < 1.2 . The combined wave and current experiments were conducted ...
Contents
PIPELINE DESIGN AND OPERATIONS | 1 |
PIPELINE INDUSTRY OUTLOOK 89 | 69 |
PIPELINE FORCES DYNAMICS AND STABILITY I | 95 |
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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 forces function geometry given heat horizontal hydrogen included increase indicated initial installation internal length lift force limit load lower material maximum means 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