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Journal of Applied Mechanics and Technical Physics

2014 year, number 2

Axisymmetric-Conical and Locally Conical Flows without Swirling

A. N. Kraiko, N. I. Tillyaeva
Baranov Central Institute of Aviation Motors, Moscow, 111116 Russia
Keywords: local conicity condition, diffuser, trail part, cone, detonation wave, characteristics, streamlines


Axisymmetric steady conical and locally conical non-swirled flows of an ideal (inviscid and non-heat-conducting) gas are considered. Like two-dimensional conical flows, the examined one-dimensional (axisymmetric) flows can be conically subsonic and supersonic. If the uniform flow is not considered as a conical flow, then the type of one-dimensional conical flows can change only on the shock wave, except for the junction of two one-dimensional conical flows of different types on the C+ characteristic. C± characteristics and streamlines are constructed for a number of locally conical flows and some already known and new conical flows.