한국가시화정보학회:학술대회논문집

The Korean Society of Visualization (한국가시화정보학회)
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Simultaneous Measurement of CH-OH PLIF and Stereoscopic PIV in Turbulent Premixed Flames

CH-OH PLIF와 Stereoscopic PIV계측법을 이용한 난류예혼합화염의 관찰

  • Choi Gyung-Min ;
  • Tanahashi Mamoru (Aerospace and Mechanical Engineering, Tokyo Institute of Technology) ;
  • Miyauchi Toshio. (Aerospace and Mechanical Engineering, Tokyo Institute of Technology)
  • Published : 2004.11.01
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Abstract

Simultaneous CH and OH planar laser induced fluorescence(PLIF) and stereoscopic particle image velocimetry(PIV) measurements have been developed to investigate the local flame structure of turbulent premixed flames. The developed simultaneous two radical concentrations and three component velocity measurements on a two-dimensional plane was applied for relatively high Renolds number turbulent premixed flames in a swirl stabilized combustor. All measurements were conducted for methane-air premixed flames in the corrugated flamelets regime. Strong three-dimensional fluctuation implies that misunderstanding of the flame/turbulent interactions would be caused by the analysis of two-component velocity distribution in a cross section. Furthermore, comparisons of CH-OH PLIF and three-component velocity field show that the burned gases not always have high-speed velocity in relatively high Renolds number turbulent premixed flame.

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