A numerical simulation of the conditions for the direct initiation of detonation in the region of a combustible mixture, in which its critical energy is minimum, has been performed using a streamer microwave discharge for the source of detonation initiation. The calculations were conducted on the basis of the model of the two-dimensional detonation in a combustible mixture, flowing in a cylindrical channel, with the use of the system of gas-dynamics and chemical-kinetics equations. The process of detonation initiation was considered as applied to a stoichiometric hydrogen–air mixture flowing in a cylindrical channel at different initial pressures. The requirements for the source of initiation of detonation in a combustible mixture were investigated with respect to the attainment of its critical parameters in practice.
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Translated from Inzhenerno-Fizicheskii Zhurnal, Vol. 96, No. 6, pp. 1481–1486, November–December, 2023.
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Bulat, P.V., Volkov, K.N., Grachev, L.P. et al. Conditions of Initiation of Detonation in a Stoichiometric Hydrogen–Air Mixture by a Streamer Discharge. J Eng Phys Thermophy 96, 1468–1473 (2023). https://doi.org/10.1007/s10891-023-02815-9
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DOI: https://doi.org/10.1007/s10891-023-02815-9