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 100
... LIFT FORCE Fo ( t ) F , ( t ) a ( t ) = q ( t ) u ( t ) ( t ) + Uc F ( t ) Concrete Coating Steel Pipe R ( t ) N ( t ) ... FORCE - 1/2 DCU ( t ) u ( t ) | F , ( t ) - INERTIAL FORCE - T / 4 DC , a ( t ) F , ( t ) = LIFT FORCE - 1/2 DG U ...
... LIFT FORCE Fo ( t ) F , ( t ) a ( t ) = q ( t ) u ( t ) ( t ) + Uc F ( t ) Concrete Coating Steel Pipe R ( t ) N ( t ) ... FORCE - 1/2 DCU ( t ) u ( t ) | F , ( t ) - INERTIAL FORCE - T / 4 DC , a ( t ) F , ( t ) = LIFT FORCE - 1/2 DG U ...
Page 149
... forces than in the laboratory tests . DEFINITIONS AND NOMENCLATURE F , : Vertical ( lift ) force on moving pipe Z Fzo : Vertical force on stationary pipe F 20 : Corrected vertical force on stationary pipe in ( 6 ) g : Gravitational ...
... forces than in the laboratory tests . DEFINITIONS AND NOMENCLATURE F , : Vertical ( lift ) force on moving pipe Z Fzo : Vertical force on stationary pipe F 20 : Corrected vertical force on stationary pipe in ( 6 ) g : Gravitational ...
Page 163
... force peaks are narrower than the measured , for both the AGA and PIPESTAB ... lift forces predicted by a ) AGA , b ) MOD - AGA models , for part of test ... lift forces , Table 3 , by 15 - 20 % for K_ = 50 , M = 0 and 20-25 % for K = 50 ...
... force peaks are narrower than the measured , for both the AGA and PIPESTAB ... lift forces predicted by a ) AGA , b ) MOD - AGA models , for part of test ... lift forces , Table 3 , by 15 - 20 % for K_ = 50 , M = 0 and 20-25 % for K = 50 ...
Contents
PIPELINE DESIGN AND OPERATIONS | 1 |
PIPELINE FORCES DYNAMICS AND STABILITY I | 95 |
9 | 123 |
Copyright | |
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amplitude analysis applied Arctic Engineering axial base metal bending Buckle length buckling bundle calculated coefficient compressor Conference on Offshore corrosion crack curvature deformation developed diameter displacement ductile effect Eighth International Conference electrodes equation explosive welding failure flaw flow rate gas turbine geometry heat horizontal hydrodynamic hydrodynamic forces hydrogen inertial installation laboratory length lift force line pipe liquid load maximum measured Mechanics and Arctic meters method monitoring natural burial Offshore Mechanics Offshore Technology Conference operation parameters predicted present pressure problem procedure ratio reheated reliability repair resistance response rockdumps sand SAW metal scour depth seabed shown in Figure simulation Snøhvit soft zone soil Sørøya sour gas span Statoil steel stress structural submarine pipelines submerged arc welding Sumer surface Table Technology temperature tion tool trench velocity vertical vibration viscometer viscosity vortex vortex shedding wave