대한기계학회논문집B (Transactions of the Korean Society of Mechanical Engineers B)

  • 제24권12호
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  • Pages.1582-1582
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  • 2000
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  • 1226-4881(pISSN)
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  • 2288-5324(eISSN)
대한기계학회 (The Korean Society of Mechanical Engineers)
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파장 가변형 KrF 엑시머 레이저를 이용한 층류 비예혼합 수소 화염에서의 2차원적 온도 및 농도 계측

Planar Imaging of Temperature and Concentration of a Laminar Nonpremixed H²/N² Flame Using a Tunable KrF Excimer Laser

  • 발행 : 2000.12.01
⟨ 이전 논문 다음 논문 ⟩

초록

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.

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참고문헌

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