- PII
- S30346126S0207401X25080071-1
- DOI
- 10.7868/S3034612625080071
- Publication type
- Article
- Status
- Published
- Authors
- Volume/ Edition
- Volume 44 / Issue number 8
- Pages
- 64-80
- Abstract
- The paper presents the results of modeling the conversion of a lean non-combustible propane-air mixture with initiation by a high-frequency corona discharge at a pressure of 5 bar and an initial temperature of 300 K for different equivalence ratios. The discharge creates non-thermal plasma in filament channels. Experiments on the development of such a discharge in air for different conditions were carried out. At pressures of 1 and 2 bar, the discharge has a complex morphology with branching of discharge filaments. At pressures above 3 bar, the glow region has the shape of a straight spoke. The paper presents a kinetic analysis of the conversion. The key component for propane decomposition is the O atom produced in the discharge as a result of O2 dissociation by direct electron impact and excited N2 molecules. In the afterglow, after completion of discharge, the source of the O atom is the reactions of ozone decomposition with N2 and O2. For the formation of NO, it is necessary to take into account the production of N atoms in the excited and ground states. Intermediate oxidized hydrocarbons play a major role in increasing the concentrations of C3H6, C2H4, and CO over time. The decomposition of O3 occurs to a greater extent in a cycle involving NO3. The heating of the discharge-activated zone did not exceed 600 K. The composition of the conversion products obtained as a result of modeling was compared with known experimental literature data.
- Keywords
- плазмохимическая конверсия пропан кинетический анализ высокочастотный коронный разряд моделирование эксперимент
- Date of publication
- 15.08.2025
- Year of publication
- 2025
- Number of purchasers
- 0
- Views
- 61
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