Cumulation effect upon the interaction between a shock and a local gas region with elevated or lowered densityстатья
Перевод
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Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Авторы:
Georgievskii P.Yu ,
Levin V.A. ,
Sutyrin O.G.
Журнал:
Fluid Dynamics
Том:
46
Номер:
6
Год издания:
2011
Издательство:
Maik Nauka/Interperiodica Publishing
Местоположение издательства:
Russian Federation
Первая страница:
967
Последняя страница:
974
DOI:
10.1134/S0015462811060147
Аннотация:
Original Russian Text © P.Yu. Georgievskii, V.A. Levin, O.G. Sutyrin, 2011, published in Izvestiya Rossiiskoi Akademii Nauk, Mekhanika Zhidkosti i Gaza, 2011, Vol. 46, No. 6, pp. 145–153.
The interaction between a plane normal shock and ellipsoidal regions of elevated or lowered density in an ideal perfect gas is investigated. Qualitatively different interaction patterns, regular and irregular, are found to exist. It is noted that as a result of the irregular interaction a complicated flow incorporating refracted shocks, tangential discontinuities, and vortices is formed. The effect of shock cumulation on the axis of symmetry occurring outside or inside a gas inhomogeneity of both lowered and elevated density is studied. The qualitative and quantitative influence of the inhomogeneity shape on the cumulation effect is investigated.
Добавил в систему:
Сутырин Олег Георгиевич