Journal of the Korean Society of Combustion (한국연소학회지)

The Korean Society of Combustion (한국연소학회)
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The Experimental Study on Simultaneous Measurements of $O_2$ Concentration and Temperature of Flue Gas Using a Single Diode Laser

다이오드 레이저를 이용한 배기가스 $O_2$ 농도 및 온도 동시 측정에 관한 실험적 연구

  • 김세원 (한국생산기술연구원 에너지시스템연구그룹) ;
  • 신명철 (한국생산기술연구원 에너지시스템연구그룹) ;
  • 이창엽 (한국생산기술연구원 에너지시스템연구그룹) ;
  • 윤성운 (한국생산기술연구원 에너지시스템연구그룹) ;
  • 김영일 (포항산업과학연구원 에너지자원연구본부)
  • Received : 2012.12.14
  • Accepted : 2012.02.18
  • Published : 2012.03.30
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Abstract

Simultaneous measurements of oxygen concentration and temperature using diode laser in the combustion environment are successfully accomplished. A single DFB type diode laser of 760 nm line centre frequency is used and the scanned-wavelength direct absorption spectroscopy method and wavelength modulation spectroscopy method are applied to measure absorption signals below 793 K temperature region. The experimental results show that oxygen concentration are measured within 1% accuracy and temperature are measured within 5% accuracy. This new method of simultaneous measurements of concentration and temperature with a single diode laser shows a great promise.

Keywords

References

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