International Journal of
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Volume 2, Issue 1 (International Journal of Optics and Photonics (IJOP) Vol. 2, No. 1, Winter 2008)
IJOP 2008, 2(1): 19-24 |
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Arabanian A S, Manteghi A, Fereidouni F, Massudi R. Size Distribution Measurement of Candle's Soot Nanoparticles by Using Time Resolved Laser Induced Incandescence. IJOP 2008; 2 (1) :19-24
URL: http://ijop.ir/article-1-219-en.html
URL: http://ijop.ir/article-1-219-en.html
1- Laser and Plasma Research Institute, Shahid Beheshti University
Abstract: (6538 Views)
Time resolved laser induced incandescence (LII) technique is used to measure size distribution of soot nanoparticles of candle's flame. Pulsed Nd:YAG laser is used to heat nanoparticles to incandescence temperature and the resulting signal is measured. Mass and energy balance equations are numerically solved to calculate temperature of soot particles in low fluence regime. Assuming Plank black body radiation and lognormal size distribution for soot particles, the intensity of LII signals are calculated. Using Levenberg-Marquart nonlinear regression algorithm and numerical and experimental LII signals, mean particle size and distribution width of soot nanoparticles are obtained.
Type of Study: Research |
Subject:
Special
Received: 2015/04/15 | Accepted: 2015/04/15 | Published: 2015/04/15
Received: 2015/04/15 | Accepted: 2015/04/15 | Published: 2015/04/15
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