Abstract
Gas oscillations and aerosol dynamics at a resonance frequency in an open pipe with a changing cross section have been studied. The dependences of the amplitude of gas pressure oscillations and the time of aerosol deposition were obtained for different amplitudes of piston displacement at resonance. The presence of a changing cross section made it possible to obtain more intense oscillations as compared to a homogeneous pipe, while the shape of the pressure wave remained continuous and close to harmonic for all considered excitation amplitudes. A decrease in the concentration of aerosol droplets over time was revealed, accelerating with increasing amplitude of piston displacement.
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Funding
Studies of forced longitudinal gas oscillations in an open pipe with an abrupt change in cross section were supported by the strategic academic leadership program of Kazan (Volga Region) Federal University (PRIORITY-2030). The study of aerosol deposition at the resonance excitation frequency was carried out within the state task of the Federal Research Center, Kazakh Scientific Center, Russian Academy of Sciences.
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Gubaidullin, D.A., Zaripov, R.G., Tkachenko, L.A. et al. Gas and Aerosol Resonance Oscillations in an Open Pipe with an Abrupt Change in Cross Section. High Temp 61, 134–137 (2023). https://doi.org/10.1134/S0018151X23010200
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DOI: https://doi.org/10.1134/S0018151X23010200