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- Publisher
- Springer Journals
- Copyright
- 2020 V.I. Zapryagaev, N.P. Kiselev, and A.A. Pivovarov
- ISSN
- 0869-8643
- eISSN
- 1531-8699
- DOI
- 10.1134/S0869864320010023
- Publisher site
- See Article on Publisher Site
Abstract
Abstract The present work is devoted to the experimental study of a high-speed jet exhausting from a model dual-stream jet nozzle which was performed using non-contact (shadow visualization) and probing (Pitot pressure tube) methods for measuring gas-dynamic parameters. Azimuthal non-uniformity of the pressure distribution, whose magnitude in the external duct is much higher than that in the internal one, is revealed. The cause for the formation of the 3D flow structure is related to the supporting pylons installed inside the nozzle contours and with the formation of a transonic flow mode in the external duct.
Journal
Thermophysics and Aeromechanics – Springer Journals
Published: Jan 1, 2020