Analyse de la répartition du potentiel électrique dans les flammes

Clément, Daniel; Borrero, Víctor Manuel; Cruz, Marta de la; Belhalfaoui, Sami; Thévenin, Dominique; Lacas, F.

doi:10.1016/s1620-7742(00)01284-8

Cited by 1 publication

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“…Studying electric currents in flames has many practical applications in combustion. For instance, the presence of ions in flames allows early detection of important combustion characteristics such as ignition [1], flame position [2] and the mixture equivalence ratio [3,4]. Ions in flames may also be exploited for combustion stabilization [5,6] and the reduction of pollutant emissions [7] via the application of external electric fields.…”

Section: Introductionmentioning

confidence: 99%

Analysis of the current–voltage curves and saturation currents in burner-stabilised premixed flames with detailed ion chemistry and transport models

Belhi

Han

Casey

et al. 2018

Combustion Theory and Modelling

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Current-voltage, or i−V , curves are used in combustion to characterize the ionic structure of flames. The objective of this paper is to develop a detailed modeling framework for the quantitative prediction of the i−V curves in methane/air flames. Ion and electron transport coefficients were described using methods appropriate for charged species interactions. An ionic reaction mechanism involving cations, anions and free electrons was used, together with up-to-date rate coefficients and thermodynamic data. Because of the important role of neutral CH species in the ion production process, its prediction by the detailed AramcoMech 1.4 mechanism was optimized by using available experimental measurements. Model predictions were evaluated by comparing to i-V curves measured in atmospheric-pressure, premixed, burner-stabilized flames. A detailed evaluation of the reliability of ion kinetic and transport parameters adopted was performed. The model provides good quantitative agreement with experimental data for various conditions.

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