The influence of the geometric and regime parameters of a resonance infrared jet-edge generator on the formation, in its resonance tube, of a sound field with a predominant discrete tone at the fundamental frequency of the generator resonant cavity was investigated. A parametric investigation of the self-sustained oscillation processes arising in the resonance tube of the generator as a result of the interaction of a subsonic gas jet and a supersonic one with its resonant cavity has been performed. The nonstationary structure of the gas flow inside this cavity, characteristic of the self-sustained oscillation interaction of a gas jet with an obstacle, is discussed. Prominence is given to the study of the pattern of the gas flow inside the resonant cavity and the amplitude-frequency characteristics of the wave process in it. Recommendations for designing a resonance infrasound jet-edge generator with regard for its use in actual practice are given.
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A. I. Tsvetkov is deceased
Translated from Inzhenerno-Fizicheskii Zhurnal, Vol. 94, No. 2, pp. 496–506, March–April, 2021.
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Volkov, K.N., Emel’yanov, V.N., Efremov, A.V. et al. Resonance Infrasound Jet-Edge Generator and Its Amplitude–Frequency Characteristics. J Eng Phys Thermophy 94, 479–489 (2021). https://doi.org/10.1007/s10891-021-02318-5
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DOI: https://doi.org/10.1007/s10891-021-02318-5