Plasma-Assisted Combustion of Gaseous Fuel in Supersonic Duct

The field of plasma-induced ignition and plasma-assisted combustion in high-speed flow is under consideration. Nonequilibrium, unsteady, and nonuniform modes are analyzed as the most promising in reducing a required extra power. Numerical simulations of uniform, nonequilibrium, continuous, and pulse...

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Bibliographic Details
Published in:IEEE transactions on plasma science 2006-12, Vol.34 (6), p.2514-2525
Main Authors: Leonov, S.B., Yarantsev, D.A., Napartovich, A.P., Kochetov, I.V.
Format: Article
Language:English
Subjects:
Active flameholding
Combustion
combustion control
Ducts
Electric power generation
electrical discharge
Electrons
Ethylene
Fluidized bed combustion
Fuels
Heating
Hydrogen
Ignition
Mathematical models
Nonuniform
Plasma
Plasma chemistry
Plasma simulation
Plasma temperature
plasma-assisted combustion
Simulation
Supersonic flow
supersonic flow control
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Summary:The field of plasma-induced ignition and plasma-assisted combustion in high-speed flow is under consideration. Nonequilibrium, unsteady, and nonuniform modes are analyzed as the most promising in reducing a required extra power. Numerical simulations of uniform, nonequilibrium, continuous, and pulse discharge effect on the premixed hydrogen and ethylene-air mixtures in supersonic flow demonstrate an advantage of such a technique over heating. At the same time, the energetic price occurs rather large to be scheme practical. A reduction of the required power deposition and mixing intensification in nonpremixed flow could be achieved by nonuniform electrical discharges. Experimental results on multielectrode discharge maintenance behind wallstep and in the cavity of supersonic flow are presented. The model test on hydrogen and ethylene ignition is demonstrated at direct fuel injection
ISSN:0093-3813
1939-9375
DOI:10.1109/TPS.2006.886089