2-D numerical modeling of flame behavior under electric field effect

Abstract

In this work, premixed turbulent combustion of methane under the effect of the electric field was simulated using Ansys /Fluent with Gri-mech 1.2. The simulation included Ionic species and NO formation. The combustion simulation without electric field was done first to validate the mathematical model for laminar combustion. It was found that flame conic shape and adiabatic flame temperature agree with the results of previously published work. The combustion simulation of the flame under electric field effect, includes modeling of the electric field equation, which was implemented in Fluent using user-defined sources (UDS) coupled with user-defined functions (UDFs). It was found that H3 O+ and CHO + species are consumed immediately after their production as a result of electric field effect. On the other hand, the flame stability was enhanced. Emitted pollutants were minimized with a little reduction in CO concentration, which agrees with previously published experimental work.