Mathematical modeling of non-stationary gas flow in gas pipeline

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Abstract

An analysis of the operation of the gas transportation system shows that for a considerable part of time pipelines operate in an unsettled regime of gas movement. Its pressure and flow rate vary along the length of pipeline and over time as a result of uneven consumption and selection, switching on and off compressor units, shutting off stop valves, emergence of emergency leaks. The operational management of such regimes is associated with difficulty of reconciling the operating modes of individual sections of gas pipeline with each other, as well as with compressor stations. Determining the grounds that cause change in the operating mode of the pipeline system and revealing patterns of these changes determine the choice of its parameters. Therefore, knowledge of the laws of changing the main technological parameters of gas pumping through pipelines in conditions of non-stationary motion is of great importance for practice.

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Fetisov, V. G., Nikolaev, A. K., Lykov, Y. V., & Duchnevich, L. N. (2018). Mathematical modeling of non-stationary gas flow in gas pipeline. In IOP Conference Series: Materials Science and Engineering (Vol. 327). Institute of Physics Publishing. https://doi.org/10.1088/1757-899X/327/2/022034

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