Plasma actuator control of a lifted ethane turbulent jet diffusion flame

Seong Kyun Im, Moon Soo Bak, Mark Godfrey Mungal, Mark A. Cappelli

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

A dielectric barrier discharge (DBD) actuator is used to stabilize the base of a lifted ethane turbulent jet diffusion flame by modifying the coflow velocity field. The velocity field and flame base are measured by particle image velocimetry and unfiltered flame chemiluminescence imaging, respectively. An axisymmetric DBD actuator, integrated onto the nozzle body and driven by 8 kHz, 10-12-kV peak-to-peak sinusoidal voltage, generates the directional flow that opposes the coflow that surrounds the jet nozzle. This flow induces a separation bubble that retards and diverts the surrounding fluid further away from the fuel jet. The turbulent jet diffusion flame liftoff height is found to be significantly reduced by this plasma actuation.

Original languageEnglish
Article number6583280
Pages (from-to)3293-3298
Number of pages6
JournalIEEE Transactions on Plasma Science
Volume41
Issue number12
DOIs
Publication statusPublished - 2013 Dec 1
Externally publishedYes

Fingerprint

turbulent jets
diffusion flames
ethane
flames
velocity distribution
actuators
jet nozzles
jet engine fuels
chemiluminescence
particle image velocimetry
actuation
nozzles
bubbles
fluids
electric potential

Keywords

  • Plasma application

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Condensed Matter Physics

Cite this

Plasma actuator control of a lifted ethane turbulent jet diffusion flame. / Im, Seong Kyun; Bak, Moon Soo; Mungal, Mark Godfrey; Cappelli, Mark A.

In: IEEE Transactions on Plasma Science, Vol. 41, No. 12, 6583280, 01.12.2013, p. 3293-3298.

Research output: Contribution to journalArticle

Im, Seong Kyun ; Bak, Moon Soo ; Mungal, Mark Godfrey ; Cappelli, Mark A. / Plasma actuator control of a lifted ethane turbulent jet diffusion flame. In: IEEE Transactions on Plasma Science. 2013 ; Vol. 41, No. 12. pp. 3293-3298.
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