Spatial Effects of Interaction of a Shock with a Lateral Low-Density Gas ChannelстатьяПеревод
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Дата последнего поиска статьи во внешних источниках: 16 января 2019 г.
Аннотация:П.Ю. Георгиевский, В.А. Левин, О.Г. Сутырин Пространственные эффекты при взаимодействии ударной волны с продольным каналом газа пониженной плотности // Письма в журнал технической физики, 2018, 44(20): 3-12, https://journals.ioffe.ru/articles/46887, DOI: 10.21883/PJTF.2018.20.46887.17402
РИНЦ(2018): 0.916, https://elibrary.ru/item.asp?id=36905895
Перевод:
P. Yu. Georgievskiy, V. A. Levin, and O. G. Sutyrin, Spatial Effects of Interaction of a Shock with a Lateral Low-Density Gas Channel // Technical Physics Letters, 2018, Vol. 44, No. 10, pp. 905–908, DOI: 10.1134/S1063785018100231,
http://link.springer.com/article/10.1134/S1063785018100231
Scopus eid=2-s2.0-85058489992, WOS:000453229900015
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Георгиевский П.Ю., Левин В.А., Сутырин О.Г. – НИИ механики МГУ
Three-dimensional interaction of a shock with lateral low-density gas channel of round, elliptic or rectangular cross-section is numerically studied using Euler’s equations. The structure of formed shock wave precursor is described in detail. Internal shear layer instabilities in three-dimensional flow are shown to develop faster than in axisymmetric case. Moderate amplification of high-pressure jet cumulation effect is noted for elliptic and rectangular channel cases. Dependence of precursor growth rate on cross-section shape is studied. It is found that stretching of cross-section shape significantly increases the duration of linear precursor growth phase.
This study was performed according to the research plan of Institute of Mechanics of Lomonosov Moscow State University using the equipment of the shared research facilities of HPC computing resources of MSU with partial financial support of the Russian Foundation for Basic Research (projects nos. 16-29-01092 and 18-01-00793).