Abstract
The issues of plasma initiation of combustion were intensively studied by many researchers (see, e.g., the review [1]). However, there are only few results on combustion initiation in a flow by means of a plasma jet and practically absent results on combustion initiation by means of a high-enthalpy supersonic jet. The interaction of a supersonic plasma jet with a flow is extremely complicated and was not studied in sufficient detail [2]. The jet boundary in a submerged space (tangential discontinuity) is a streamline along which the pressure remains constant and equal to the ambient pressure in the case of exhaustion into a quiescent medium. In the region of the first “barrel,” a comparatively small part of the total mass flow of the gas in the jet (less than 20 %) passes through the Mach disk, even if the central shock (Mach disk) has a rather large size. The main part of the gas moves over the periphery. A thin gas layer with a comparatively high density is formed near the jet boundary.
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Katsnelson, S.S., Pozdnyakov, G.A., Aleksandrovsky, D.A. (2017). On the Initiation of Combustion by Means of Supersonic High-Enthalpy Jet. In: Ben-Dor, G., Sadot, O., Igra, O. (eds) 30th International Symposium on Shock Waves 1. Springer, Cham. https://doi.org/10.1007/978-3-319-46213-4_88
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DOI: https://doi.org/10.1007/978-3-319-46213-4_88
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