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Study on Some Problems about Long Distance Pipeline Crossing Engineering

Author: HeXueFeng
Tutor: ChenLiangYu
School: Northeastern University
Course: Mechanical and Electronic Engineering
Keywords: crossing pipeline finite element analysis wind load collision
CLC: TE973.4
Type: Master's thesis
Year: 2008
Downloads: 83
Quote: 0
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Abstract


Oil pipeline is one of the main artery of national energy. It has a very important effect on economical development of our country. Our country’s crossing river oil pipeline with high proportion on long distance oil pipeline engineering. On oil pipeline engineering, pipeline crossing is most difficultly designed, but it is easylily damaged on operation. It is a very important subject on pipeline design.On the foundation of documentation summarizing, some typical problems of pipeline engineering were analised. First, gravity analysing of pipeline engineering is as a beginning, then gravity, wind load, pipeline cross-sectional distortion, and collision problem of pipeline crossing-over were analized by method of combining of material mechanics, dynamics and FEA. At last, mathematical model was created and illustration analysis was got on the process of analysis. The trueness and utility of model was approved to.The major idea of this thesis is study on wind load and collision problem. It analised wind load and pipeline collision by finite element analysis method. It supplies measures of accident load on pipeline engineering through collecting response of pipeline on real problem. At the same time, it established analytical method of variable load which on pipeline engineering. In a word, the thesis possibly analized pipeline problems scientifically and effectively.The main researching method of this thesis is FEA method, especially dynamics modular. The structure dynamics analysis is used to solve influence to structure or part with different time. Comparing to statics analysis, it consider influence of the loads, the damping and the inertance with time variation on dynamics analysis. There are transient analysis, dynamical analysis, modality analysis, spectrum response analysis and random vibration analysis in the structure dynamics analysis types through ANSYS. On the basis of theory analysis, static and dynamical problems of pipeline were emulated by finite element analysis method and comparison analysis. Finally, it caused the conclusion more rational and scientifical.

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CLC: > Industrial Technology > Oil and gas industry > Oil machinery and equipment and automation > Oil and gas storage and transportation machinery and equipment > Oil and gas pipelines > Crossing Project
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