Abstract
One of the possible mechanisms of the interaction of a bounded combustion region (flame) with an applied electric field is considered. The investigation is based on application of the electrohydrodynamics (EHD) methods to describe chemically reacting multicomponent nonequilibrium partially ionized gas mixtures. It is shown that zones of space electric charge are formed in the neighborhood of the flame boundaries under certain conditions. These zones can be affected by the electric field. The nature of modification of these zones under the influence of the electric field is investigated.
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The formation of space charge regions in the zones of high gradients of the source of charged particles in flames creates favorable conditions for the hydrodynamic action on them by an external electric field and can serve as one of the explanations for the experimentally observed manifestations of this kind of interaction between the flame and the electric field [1–5]. It should be noted that another aspect of the effect of the electric field on the flame, associated with change in the composition of combustion products (such as the content of NOx, soot formation, etc.) due to the redistribution of ionic components in the mixture under the action of the field, was not considered in this work.
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Translated by E.A. Pushkar
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Vlasov, P.A., Pankrat’eva, I.L. & Polyanskii, V.A. Investigation of the Mechanism of Interaction of the Hydrocarbon Flame with an Electric Field. Fluid Dyn 58, 612–620 (2023). https://doi.org/10.1134/S0015462822601188
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DOI: https://doi.org/10.1134/S0015462822601188