Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 10, Part 5American Society of Mechanical Engineers, 1991 - Arctic regions |
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Page 145
... flow regime creates bubbles . conclusion is tested by measurements on two- phase flow in a Freon test loop . The results confirm that the pressure spectra inside the pipe show pronounced spectral peaks , at about 140 dB ( referred to 1 ...
... flow regime creates bubbles . conclusion is tested by measurements on two- phase flow in a Freon test loop . The results confirm that the pressure spectra inside the pipe show pronounced spectral peaks , at about 140 dB ( referred to 1 ...
Page 148
... flow . The peaks marked with levels referred to 1 Pa , standard reference level for acoustic measurements . are the The spectra show distinct peaks at about 1.5 kHz and 3.5 kHz . These peaks are thought to reflect radial oscillations of ...
... flow . The peaks marked with levels referred to 1 Pa , standard reference level for acoustic measurements . are the The spectra show distinct peaks at about 1.5 kHz and 3.5 kHz . These peaks are thought to reflect radial oscillations of ...
Page 149
... flow conditions , as long as the flow is slugging and bubbles are present . The expected ambient noise levels are about 60 dB . The exact level of ambient noise depends on a number of factors , including shipping , rain , fish and ...
... flow conditions , as long as the flow is slugging and bubbles are present . The expected ambient noise levels are about 60 dB . The exact level of ambient noise depends on a number of factors , including shipping , rain , fish and ...
Contents
Design of the Troll Multiphase Transport System | 1 |
Propagation and Diffraction of Cnoidal Waves | 9 |
Dynamic Stresses and Motions of Offshore Pipelines During Laying | 17 |
Copyright | |
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applied axial base metal brazing cables calculated carbon equivalent chemical composition cnoidal waves coating cooling crack curve cycle defects developed dew point temperature diameter dynamic tension force effect electrode equation failure field Figure fitness-for-purpose flaws flow foam forge welding fracture fracture mechanics free span frequency friction welding gas pipeline glycol GMAW Gr.B HAZ hardness heat input hydrocarbon dew point induction heating inner pipe installation insulation J-Lay length line pipe linepipe load material maximum measured mechanical properties method nonlinear offshore pipelines operation parameters pipe material pipe wall pipeline Pipeline Technology ASME plate pressure problem procedure propagation PUFI PWHT reeling S-N curves seam weld simulation Specimen steel stress surface T-cross portion tensile strength thermal thermal insulation toughness tube UOE pipe velocity wall thickness water depth water dew point weld metal X80 grade yield strength