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 18
... frequency = circular frequency = j . Awj - th discrete circular frequency wj Δω = increment of circular frequency = 2π / timewindow ここに皆 vectors are underlined = = მ / მ s 8 / 8t INTRODUCTION The technique of offshore pipelaying ...
... frequency = circular frequency = j . Awj - th discrete circular frequency wj Δω = increment of circular frequency = 2π / timewindow ここに皆 vectors are underlined = = მ / მ s 8 / 8t INTRODUCTION The technique of offshore pipelaying ...
Page 99
Frequency ( % ) . Frequency ( % ) Frequency ( % ) Fig.11 Results of mechanical test for mass - production FRUITY OF MISYNGAN LIBRARIES Wall thickness X 38.17 σ 0.25. Mass - production Records NKK recently mass - produced approximately ...
Frequency ( % ) . Frequency ( % ) Frequency ( % ) Fig.11 Results of mechanical test for mass - production FRUITY OF MISYNGAN LIBRARIES Wall thickness X 38.17 σ 0.25. Mass - production Records NKK recently mass - produced approximately ...
Page 148
... frequencies , there is broadband noise at about 100 dB : this is generated within the flow , and is probably not related to the presence of the orifice plate . The height and frequency of the 3.5 kHz spectral peak turn out to be nearly ...
... frequencies , there is broadband noise at about 100 dB : this is generated within the flow , and is probably not related to the presence of the orifice plate . The height and frequency of the 3.5 kHz spectral peak turn out to be nearly ...
Contents
Propagation and Diffraction of Cnoidal Waves | 9 |
Dynamic Stresses and Motions of Offshore Pipelines During Laying | 17 |
TimeDevelopment of Scour Induced Free Spans of Pipelines | 25 |
Copyright | |
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applied axial base metal brazing cables calculated carbon equivalent chemical composition cnoidal waves coating cooling crack CTOD curve cycle defects developed dew point temperature diameter dynamic tension force effect electrode equation field Figure fitness-for-purpose flaws flow foam forge welding fracture fracture mechanics free span frequency friction welding gas pipeline GMAW Gr.B HAZ hardness heat input hydrocarbon dew point induction heating inner pipe installation insulation internal J-Lay length line pipe linepipe load material maximum measured mechanical properties method microstructure nonlinear offshore pipelines operation ovalization parameters pipe material pipe wall pipeline plate pressure problem procedure propagation PUFI PWHT ratio 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