Modelling Flow-induced Vibration of pipes in Oil industry: A Case Study
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Abstract
The flow-induced vibration is a critical problem in the Oil & Gas industries. It has been observed that vibration generated in the pipework may lead to cyclic stresses, which can result in incidents of leakage. Factors that affect flow-induced vibration are many. Properties and characteristics of the pipe material as well as the fluid carried in the pipelines, physical connection and setup of pipelines, dynamics of the flowing fluid, are just some of the many variables that can affect the vibration, which need to be considered when modeling flow-induced vibration in pipes. This work aims to investigate the validity of a mathematical model to predict flow-induced vibration in piping systems. The results can be utilized to forecast the failure of the piping system as a result of flow-induced vibration. The real-time vibration data were investigated in a real oil industry station. In this work, flow-induced vibration measurements were carried out, and the frequency and acceleration of vibration were analyzed. Carbon steel and GRE pipes were tested at different sizes, flow rates, and boundary conditions. The frequency and acceleration of vibration were recorded using a 3-axis vibration sensor. A mathematical model is presented to estimate flow-induced vibrations in pipes. Moreover, comparisons of the experimental results with the theoretical model were presented to validate the accuracy of the model in predicting the flow-induced vibrations in the pipes.
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