Electric Field Induced Changes of a Diffusion Flame and Heat Transfer near an Impinging Surface

Yu-Chien Chien and Derek Dunn-Rankin
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Yu-Chien Chien: Mechanical and Aerospace Engineering Department, University of California, Irvine, CA 92697, USA
Derek Dunn-Rankin: Mechanical and Aerospace Engineering Department, University of California, Irvine, CA 92697, USA

Energies, 2018, vol. 11, issue 5, 1-13

Abstract: This research investigates heat transfer phenomena on a plate used with impinging electric field flames; i.e., flames burning in the presence of an electric field. Electric field effects on flames have been investigated in different applications but not when the flames are impinging on nearby surfaces. Challenges to measurement methods when an electric field is applied in the system have limited the understanding of changes to the temperature distributions and species concentrations caused by the field. This study uses an infrared forward looking infrared (FLIR) camera with Schlieren visualization to examine the heat flux from flames over an impinging plate with different electric fields applied. In particular, we study the electric field effects on flames when those flames transfer heat to a nearby plate, and then how that transfer can be controlled using the electric field. The results show that electric fields affect substantially the heat flux distribution through the ion-driven wind, particularly when the plate location is just above the flame tip.

Keywords: electric field flames; impinging flames; thermal; heat flux; diffusion flames (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2018
References: View complete reference list from CitEc
Citations: View citations in EconPapers (5)

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