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TsAGI Science Journal

ISSN Imprimir: 1948-2590
ISSN On-line: 1948-2604

TsAGI Science Journal

DOI: 10.1615/TsAGISciJ.v41.i4.40
pages 409-421

NOZZLES WITH SHORT SUBSONIC CONTOURS AND A UNIFORM EXIT FLOW

Stanislav Viktorovich Yagudin
Central Aerohydrodynamic Institute (TsAGI) 1, Zhukovsky str., Zhukovsky, 140180, Moscow region, Russia

RESUMO

Presented in this article are the results of calculation and theoretical study of the problem of constructing the contour of a supersonic nozzle with a uniform exit inviscid gas flow, the contour of which is profiled from the endpoint of abruptly convergent subsonic area with the convergence angle θ = 90°. It is shown that there is a class of contours, in which the flow differs from the known concepts. The line of zero slope of the velocity vector θ = 0 consists of two different parts, partially or even completely located in front of the minimum section. The contour convergent areas, convex inward of flow, are streamlined without stagnation in front of the minimum sections.


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