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Electric field control of NOx formation in the flame channel flows

  • Authors (legacy)
    Zake M., Turlajs D. and Purmals M.
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  • Zake.pdf
  • Paper ID
    156
  • Paper status
    Published
Abstract

The present studies aimed to obtain clean fuel combustion and get detailed information about the
processes that determine the electric field effect on NOx formation in flame channel flows. The experimental
studies demonstrate that the interaction between the radial electric field and the flame initiates
the field-forced drift motion of positive radical ions in a field direction. The energy exchange
between ions and gas particles produces interrelated heat and mass transfer to the negatively biased
channel walls. Hence, by varying the applied voltage, a field-enhanced reducing of a flame temperature
is obtained, thereby lowering thermal NOx formation during the fuel combustion up to 30-80%.

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