Numerical simulation of hydrodynamic processes accompanying the formation and propagation of vortex rings produced by a piston generator has been performed. The influence of the characteristics of a vortex ring on the transfer of a passive impurity is considered. Numerical calculations were carried out using nonstationary Navier– Stokes equations and adaptive grid structures. The geometric and dynamic characteristics of the vortex ring are obtained which correspond to the self-similar law of its dynamics and experimental data.
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Translated from Inzhenerno-Fizicheskii Zhurnal, Vol. 95, No. 6, pp. 1516–1525, November–December, 2022.
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Volkov, K.N., Emel’yanov, V.N. & Kapranov, I.E. Numerical Simulation of the Propagation of a Vortex Ring and of the Transfer of a Passive Impurity by it. J Eng Phys Thermophy 95, 1489–1497 (2022). https://doi.org/10.1007/s10891-022-02617-5
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DOI: https://doi.org/10.1007/s10891-022-02617-5