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The electric field-controlled heat and mass transfer and fuel combustion in the flame channel flows

M. Zake , M. Purmals

Institute of Physics, University of Latvia, Salaspils-1, LV-2169, Latvia

Results of the experimental studies of the radial electric field effect on the processes of heat and mass transfer and fuel combustion in the flame channel flows are pre-sented here. These investigations demonstrate the field-enhanced variations of the flame temperature and composition profiles and field-enhanced heat generation, which are determined by the drift motion of positive ions in a field direction and momentum transfer to the fuel compounds. It is observed that the field-enhanced radial transfer of fuel compounds reduces a rate of fuel combustion and heat release in a central part of a flame channel flow. This provides reducing the local tempera-ture levels during the fuel combustion and field-enhanced decrease in a rate of NOx formation. Therefore, the results of presented studies demonstrate that the electric field effect on a flame can be used to perform the combustion control. Figs 13, Refs 12.

Magnitnaya Gidrodinamika 35, No. 2, 165-178, 1999 [PDF, 0.79 Mb]
Magnetohydrodynamics 35, No. 2, 131-142, 1999 [PDF, 0.70 Mb]

Copyright: Institute of Physics, University of Latvia
Electronic edition ISSN 1574-0579
Printed edition ISSN 0024-998X