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Abstract <p>This paper presents a numerical study of a submerged round jet at a low Reynolds number exposed to two sources of harmonic oscillations introduced at opposite lateral boundaries near the inlet. It is shown that, for a certain combination of forcing parameters, the flow splits into two branches, as in a number of other experiments and calculations in the presence of various types of acoustic and mechanical disturbances. Time-averaged flow velocity distributions are obtained. The&#xa0;influence of the oscillation amplitude on jet behavior is studied. A threshold amplitude above which flow splitting occurs is determined.</p>

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Influence of the Amplitude of Transverse Disturbances Generated by Two Sources on the Splitting of a Round Jet

  • 期刊论文

  • 发表日期：

    2025年12月1日

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  • O. S. Van’kova,
  • S. N. Yakovenko

摘要

Abstract

This paper presents a numerical study of a submerged round jet at a low Reynolds number exposed to two sources of harmonic oscillations introduced at opposite lateral boundaries near the inlet. It is shown that, for a certain combination of forcing parameters, the flow splits into two branches, as in a number of other experiments and calculations in the presence of various types of acoustic and mechanical disturbances. Time-averaged flow velocity distributions are obtained. The influence of the oscillation amplitude on jet behavior is studied. A threshold amplitude above which flow splitting occurs is determined.