The subsonic velocity blocking effect for an aerodynamic vortex chamber

The experimental data are presented for the velocity in the slits of guiding apparatus for the classic open vortex chamber as well as for the Ranque tube. In both cases at the linear rise of the mass flow rate with increasing of overpressure level, the essential slowdown was observed for the growth...

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Bibliographic Details
Published in:Journal of physics. Conference series 2018-11, Vol.1105 (1), p.12006
Main Authors: Kabardin, I K, Kh Pravdina, M, Polyakova, V I, Yavorsky, N I, Pavlov, V A, Gordienko, M R
Format: Article
Language:English
Subjects:
Acoustic velocity
Aerodynamics
Mass flow rate
Overpressure
Slits
Subsonic aircraft
Unity
Velocity
Vortex chambers
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Summary:The experimental data are presented for the velocity in the slits of guiding apparatus for the classic open vortex chamber as well as for the Ranque tube. In both cases at the linear rise of the mass flow rate with increasing of overpressure level, the essential slowdown was observed for the growth of the slit velocity. At that the ratio of the slit to the critical sound velocities (the velocity coefficient) either tends to an asymptotic limit that is less than unity, or becomes equal to unity at a certain overpressure level and no more changes.
ISSN:1742-6588
1742-6596
DOI:10.1088/1742-6596/1105/1/012006