Abstract
Supersonic channels realizing given nonuniform isentropic parameters at the exit section have been profiled numerically by Kraiko, Kireev, et al. [1–3]. The problem of profiling model channels to ensure a continuous isentropic flow at the exit in the case of a constant entropyS 1 at the entrance was formulated by Kraiko and Shelomovskii [1]. In the present paper, two classes of supersonic channel are constructed. One of them realizes at the exit given discontinuous distributions of the entropy and the pressure p or the angle of inclination θ of the velocity vector w to the x axis. The other transforms a flow with discontinuous distributions of the gasdynamic parameters into a flow uniform with respect to p and θ. Schemes are proposed for the profiling of these classes of channels, and the results are given of calculations made by the classical method of characteristics and its layerwise modifications.
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Translated from Izvestiya Akademii Nauk SSSR, Mekhanika Zhidkosti i Gaza, No. 3, pp. 155–159, May–June, 1984.
We are very grateful to A. N. Kraiko for valuable discussions in preparing the material of the paper.
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Voinovskii, A.S., Kireev, V.I., Minin, S.N. et al. Profiling of plane and axisymmetric supersonic channels that realize discontinuous parameters at the exit and equalization of the flow. Fluid Dyn 19, 474–478 (1984). https://doi.org/10.1007/BF01093915
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DOI: https://doi.org/10.1007/BF01093915