Study on ignition temperature of wall-stabilized cool flames

Minhyeok Lee, Yong Fan, Yiguang Ju, Yuji Suzuki

Research output: Contribution to conferencePaperpeer-review


Ignition temperature of premixed cool flames has been studied using wall-stabilized cool flames. A dimethyl ether (DME)-O2 mixture was impinged onto a heated wall and ignited by linearly ramping the wall temperature in the vicinity of cool flame ignition temperature. The instantaneous wall temperature was monitored with a thermocouple, and the HCHO concentration during the ignition of the cool flame was captured using planar laser-induced fluorescence (PLIF) synchronized with the temperature measurement. It is found that the HCHO concentration near the center axis shows an abrupt increase at a certain temperature, which can be defined as the ignition temperature of the cool flame. For the DME/O2 premixed flame, the ignition temperature is found to be 665 K.

Original languageEnglish (US)
StatePublished - 2019
Event12th Asia-Pacific Conference on Combustion, ASPACC 2019 - Fukuoka, Japan
Duration: Jul 1 2019Jul 5 2019


Conference12th Asia-Pacific Conference on Combustion, ASPACC 2019

All Science Journal Classification (ASJC) codes

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


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