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Measurements of Soot Volume Fraction Using Laser Induced Incandescence
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 Title & Authors
Measurements of Soot Volume Fraction Using Laser Induced Incandescence
Lee, Seung; Lee, Sang-Hup; Lee, Byeong-Jun; Hahn, Jae-Won;
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Laser induced incandescence (LII) method is frequently used to measure soot volume fraction in flames. In this study, experiments were performed to measure soot volume fraction in coaxial diffusion flame using LII method and calibrated with laser scattering/extinction method. The effects of laser intensity (>), laser wavelength (532nm, 1064nm) and detection wavelength (400nm, 600nm) on the LII signal were investigated. On the range of there were no effects of laser intensity on LII signal. Except these ranges, LII signal was increased with laser intensity. For the long gate width, the LII signals of the higher laser intensity (>) cases had better correlation with soot volume fraction which were measured by laser extinction method compared with lower laser intensity cases. The errors of 2-dimensional cases at the calibration height were approximately 50% regardless of laser wavelength
Laser Induced Incandescence;Laser Scattering/Extinction;Soot Volume Fraction;
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주기적 연료 공급이 비애혼합 화염 특성에 미치는 영향에 관한 연구,이상협;전대현;이병준;

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