Journal of Mechanical Science and Technology

  • 제17권1호
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  • Pages.139-145
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  • 2003
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  • 1738-494X(pISSN)
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  • 1976-3824(eISSN)
대한기계학회 (The Korean Society of Mechanical Engineers)
권호 표지

Application of DFB Diode Laser Sensor to Reacting Flow (II) - Liquid-Gas 2-Phase Reacting Flow -

  • Park, Gyung-Min (Department of Mechanical Engineering, Osaka University) ;
  • Masashi Katsuki (Department of Mechanical Engineering, Osaka University) ;
  • Kim, Duck-Jool (School of Mechanical Engineering, Pusan National University)
  • 발행 : 2003.01.01
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초록

Diode laser sensor is conducted to measure the gas temperature in the liquid-gas 2-phase counter flow flame. C$\_$10/H/ sub 22/ and city gas were used as liquid fuel and gas fuel, respectively. Two vibrational overtones of H$_2$O were selected and measurements were carried out in the spray flame region stabilized the above gaseous premixed flame. The path-averaged temperature measurement using diode laser absorption method succeeded in the liquid fuel combustion environment regardless of droplets of wide range diameter. The path-averaged temperature measured in the post flame of liquid-gas 2-phase counter flow flame showed qualitative reliable results. The successful demonstration of time series temperature measurement in the liquid-gas 2-phase counter flow flame gave us motivation of trying to establish the effective control system in practical combustion system. These results demonstrated the ability of real-time feedback from combustor inside using the non-intrusive measurement as well as the possibility of application to practical combustion system. Failure case due to influence of spray flame was also discussed.

키워드

참고문헌

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