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Unsteady numerical solutions for a plane jet issuing from a narrow slit into a submerged space

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Thermophysics and Aeromechanics Aims and scope

Abstract

The results of numerical simulations of a jet discharging from a narrow slit at low Reynolds numbers Re are presented. A comparison with the data of laboratory experiments is performed, and it is shown that steady numerical solutions with increasing Re transform into unsteady solutions with self-excitation of sinusoidal instability. Lateral oscillations are superimposed at the inlet section, and their influence on the jet behavior is studied.

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Authors and Affiliations

  1. Khristianovich Institute of Theoretical and Applied Mechanics SB RAS, Novosibirsk, Russia

    S. N. Yakovenko

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  1. S. N. Yakovenko
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Correspondence to S. N. Yakovenko.

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The work was financially supported by the Russian Foundation for Basic Research (Project No. 17-01-00332a).

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Yakovenko, S.N. Unsteady numerical solutions for a plane jet issuing from a narrow slit into a submerged space. Thermophys. Aeromech. 26, 711–721 (2019). https://doi.org/10.1134/S0869864319050081

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  • DOI: https://doi.org/10.1134/S0869864319050081

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