Electrically enhanced combustion by applying electric fields or plasmas has been demonstrated as a promising approach to the problem of flame instability occurred in lean combustion process. In this study, the lifted-flame forced reattachment process in a turbulent non-premixed propane jet induced by a repetitive D.C. pulsed discharges with a proposed electrode configuration have been experimentally investigated. A conditional particle image velocimetry (cond-PIV) measurement is used to analyze the detailed flame-flow interaction of complete reattachment process. The results show that the effect of pulsed discharge on flame stabilization is significant with increasing pulse repetition frequency (PRF). According to the time history of flame base height and variation of absolute flame speed with the axial location, it suggests that the corona discharge plays a key role in flame dynamic propagation process, leading to flame reattachment, as a result of the flame-edge propagation speed is augmented over 3 SL.
|出版狀態||Published - 2019 一月 1|
|事件||12th Asia-Pacific Conference on Combustion, ASPACC 2019 - Fukuoka, Japan|
持續時間: 2019 七月 1 → 2019 七月 5
|Conference||12th Asia-Pacific Conference on Combustion, ASPACC 2019|
|期間||19-07-01 → 19-07-05|
All Science Journal Classification (ASJC) codes
- 化學工程 (全部)