2021
DOI: 10.3390/act10080185
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Control of a Round Jet Intermittency and Transition to Turbulence by Means of an Annular Synthetic Jet

Abstract: This paper deals with active control of a continuous jet issuing from a long pipe nozzle by means of a concentrically placed annular synthetic jet. The experiments in air cover regimes of laminar, transitional, and turbulent main jet flows (Reynolds number ranges 1082–5181). The velocity profiles (time-mean and fluctuation components) of unforced and forced jets were measured using hot-wire anemometry. Six flow regimes are distinguished, and their parameter map is proposed. The possibility of turbulence reduct… Show more

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Cited by 3 publications
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