Effect of electric fields on flame displacement speed of propagating premixed flames in tube

S. K. Ryu, S. H. Won, M. S. Cha, O. Fujita, S. H. Chung*

*Corresponding author for this work

Research output: Contribution to conferencePaperpeer-review

1 Scopus citations

Abstract

The effect of electric fields on flame displacement speed has been investigated experimentally by observing propagating premixed flames in a tube for methane/air mixtures. The flame displacement speeds were measured in both the normal and micro gravity conditions to substantiate the measurements. The results show that the flame displacement speeds were enhanced by both the AC and DC electric fields, as the flame approached to the high voltage electrode located on the one end of the tube. The enhancement of flame displacement speed was proportional to the square root of the electric field intensity, defined as the voltage applied divided by the distance of flame from the high voltage electrode, when the electric field intensity is sufficiently large. When the electric field intensity was low, there existed critical intensities, below which the electric fields did not influence the flame displacement speed. This critical electric field intensity correlated well with the flame displacement speed.

Original languageEnglish (US)
StatePublished - 2007
Event6th Asia-Pacific Conference on Combustion, ASPACC 2007 - Nagoya, Japan
Duration: May 20 2007May 23 2007

Conference

Conference6th Asia-Pacific Conference on Combustion, ASPACC 2007
Country/TerritoryJapan
CityNagoya
Period05/20/0705/23/07

Bibliographical note

Funding Information:
This work was supported by the Combustion Engineering Research Center (CERC).

Publisher Copyright:
© 2007 Combustion Institute. All Rights Reserved.

ASJC Scopus subject areas

  • General Chemical Engineering
  • Energy Engineering and Power Technology
  • Fuel Technology
  • Condensed Matter Physics

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