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dc.contributor.authorPlavnik, Rinat A.-
dc.contributor.authorZavialov, Ivan N.-
dc.contributor.authorKonyukhov, Andrey V.-
dc.contributor.authorVetoshkin, Denis S.-
dc.identifier.citationPlavnik R.A., Zavialov I.N., Konyukhov A.V., Vetoshkin D. S. Determination of the transition curve between flow modes during filtering an acid through a chemically active porous medium. Vestnik of Saint Petersburg University. Mathematics. Mechanics. Astronomy, 2021, vol. 8 (66), issue 2, pp. 349–358.en_GB
dc.description.abstractIt is known that during the filtration flow, if the displacing liquid can chemically react with the skeleton while emitting a gas phase, then this flow mode may be unstable. During the filtration process, pressure fluctuations will be observed, and the displacing fluid will move in waves called “acid waves”. Our research suggests a simple theoretical model that gives a qualitative explanation of the causes of this phenomenon. We conducted laboratory simulations and detected the boundary of the appearance of “acid waves”, depending on the concentration of the chemically active component. At the same time the theoretical model can also predict the appearance of “acid waves” in the laboratory experiment, which will allow scaling the studied phenomenon in the future.en_GB
dc.publisherSt Petersburg State Universityen_GB
dc.relation.ispartofseriesVestnik of St Petersburg University. Mathematics. Mechanics. Astronomy;Volume 8 (66); Issue 2-
dc.subjectself-oscillating modeen_GB
dc.subjectacid treatment of an oil reservoiren_GB
dc.subjectporous mediumen_GB
dc.titleDetermination of the transition curve between flow modes during filtering an acid through a chemically active porous mediumen_GB
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