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Journal of Failure Analysis and Prevention

, Volume 16, Issue 3, pp 499–505 | Cite as

The Vibration Characteristics Analysis of Pipeline Under the Action of Gas Pressure Pulsation Coupling

  • Jialin Tian
  • Changfu Yuan
  • Lin Yang
  • Chunming Wu
  • Gang Liu
  • Zhi Yang
Technical Article---Peer-Reviewed

Abstract

In order to research the pipeline vibration and prevent the fatigue failure of pipeline, the calculation model and methods for vibration characteristics analysis of pipeline under the action of the gas pressure pulsation and pipeline coupling are presented in this paper. According to the pipeline structure, the pipeline model with different pipe diameters is established. Based on the model and combined with the structure parameters of pipeline, the calculation methods of gas column natural frequency, gas pressure pulsation, and exciting force are built. By these ways, the relationships between the gas column natural frequency and orders, the gas pressure pulsation and orders, and the exciting force and aspect ratio are acquired. Besides, the variable relationships of vibration displacement and velocity of pipeline can be obtained. Comparing the calculated results with the field test values, the calculated results are in agreement with the test values, and the correctness of the calculation model and method is verified. The results show that taking the pressure pulsating and pipe coupling effect account into the vibration analysis of different pipe diameters, which can truly reflect the vibration characteristics of pipeline and possess important reference value for preventing fatigue failure and reducing the vibration of the pipeline.

Keywords

Pressure pulsation Coupling Pipeline Vibration Model Calculation method 

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Copyright information

© ASM International 2016

Authors and Affiliations

  • Jialin Tian
    • 1
    • 2
  • Changfu Yuan
    • 1
  • Lin Yang
    • 1
  • Chunming Wu
    • 1
  • Gang Liu
    • 1
  • Zhi Yang
    • 1
  1. 1.School of Mechatronic EngineeringSouthwest Petroleum UniversityChengduChina
  2. 2.School of Mechanical EngineeringSouthwest Jiaotong UniversityChengduChina

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