Abstract
A nonstationary gas flow in the piping of a compressor station at the entrance to a gas pipeline has been considered. Factors that affect the emergence and development of gas flow pulsations that result in hazardous low-frequency pipeline vibrations have been studied. A mathematical model of the process is described. The system of acoustic-approximation equations is used that makes it possible to allow for the tree-type topology of pipeline network in the booster part of a compressor station, with 90-deg pipe turns, the presence of obstacles in the form of shut-off and control valves, and pipeline pitch being disregarded.
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Original Russian Text © S.B. Beketov, P.S. Kunina, A.V. Bunyakin, V.V. Dubov, 2017, published in Defektoskopiya, 2017, No. 9, pp. 54–61.
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Beketov, S.B., Kunina, P.S., Bunyakin, A.V. et al. Failure of industrial pipelines due to low-frequency vibrations. Russ J Nondestruct Test 53, 669–676 (2017). https://doi.org/10.1134/S1061830917090030
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DOI: https://doi.org/10.1134/S1061830917090030