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Planar Imaging of Temperature and Concentration of a Laminar Nonpremixed H²/N² Flame Using a Tunable KrF Excimer Laser
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 Title & Authors
Planar Imaging of Temperature and Concentration of a Laminar Nonpremixed H²/N² Flame Using a Tunable KrF Excimer Laser
Kim, Gun Hong; Jin, Seong Ho; Kim, Yong Mo; Park, Gyeong Seok; Kim, Se Won; Kim, Gyeong Su;
 
 Abstract
Rayleigh scattering and laser induced predissociative fluorescence are employed for capturing two-dimensional images of temperature and species concentration in a laminar nonpremixed flame of a diluted hydrogen jet. Rayleigh scattering cross-sections are experimentally obtained at 248nm. Dispersed LIPF spectra of OH and O₂ are also measured in a flame in order to confirm the excitation of single vibronic state of OH and O₂are excited on the P₁(8) line of the A ²∑+ (v'=3) - X ²∏(v˝=0) band and R(17) line of the Schumann-Runge band B ³∑u- (v'=0) - X ³∑g-∏(v˝=6), respectively. Fluorescence spectra of OH and Hot O₂ are captured and two-dimensional images of the hydrogen flame field are successfully visualized.
 Keywords
Rayleigh Scattering;Laser Induced Predissociative Fluorescence;Laminar Nonpremixed Flame;Excimer Laser;
 Language
Korean
 Cited by
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