Transverse and longitudinal vortices in free subsonic axisymmetric jets

V. G. Pimshtein

Central Aerohydrodynamic Institute

Abstract: The occurrence of longitudinal and transverse vortices in a subsonic air jet and in an air jet with added helium due to the natural instability of the flow is shown using a high-resolution direct shadow method.

Keywords: subsonic jet, longitudinal vortices, Kelvin–Helmholtz vortices.

UDC: 534.83

Received: 09.02.2024
Revised: 10.04.2024
Accepted: 27.04.2024

DOI: 10.15372/PMTF202415457

 English version: Journal of Applied Mechanics and Technical Physics, 2025, 66:1, 61–64

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