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Volume 28 Issue 1
Sep.  2013
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Article Navigation >  LASER TECHNOLOGY  > 2004 >  28(1): 20-22,32

Citation:
shu

Planar laser-induced fluorescence imaging of OH radical in supersonic combustor

  • 1.

    Key Laboratory of High Temperature Gas Dynamics, Institute of Mechanics, the Chinese Academy of Sciences, Beijing 100080, China

  • Received Date: 2003-05-30
    Accepted Date: 2003-07-16
  • Planar laser-induced fluorescence (PLIF) technique is utilized to measure the images of hydroxyl radicals (OH) fluorescence and spontaneous emission in hydrogen/air and kerosene/air supersonic combustion. The results show that PLIF has been an efficient approach for identification of fuel/air mixing and combustion process. It is found that large number of OH radical is concentrated in the cavity range of the combustor, it is helpful to understand the mechanism of the cavity as the flame-holder in supersonic combustor.
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    YANG S R,ZHAO J R,SUNG C J et al.Appl Phys,1999,B68:257～265.
    [2]

    ECKBRETH A C.Laser diagnostics for combustion temperatureand species.UK Kent:Abacus Press,1988.301～361.
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    HANSON R K,SEITZMAN J M,PAUL P H.Appl Phys,1990,B50:441～454.
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    HILLER B,HANSON R K.Appl Opt,1988,27(1):33～48.
    [5]

    YU G,LI J G, ZHAO J R et al.Experimental studies on supersonic combustion.7th International Spaceplanes and Hypersonics Systems Technology Conference.Norfolk,1996.4512.
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Planar laser-induced fluorescence imaging of OH radical in supersonic combustor

  • 1. Key Laboratory of High Temperature Gas Dynamics, Institute of Mechanics, the Chinese Academy of Sciences, Beijing 100080, China
  • Received Date: 2003-05-30
  • Accepted Date: 2003-07-16
  • Available Online: 2004-01-25

Abstract: Planar laser-induced fluorescence (PLIF) technique is utilized to measure the images of hydroxyl radicals (OH) fluorescence and spontaneous emission in hydrogen/air and kerosene/air supersonic combustion. The results show that PLIF has been an efficient approach for identification of fuel/air mixing and combustion process. It is found that large number of OH radical is concentrated in the cavity range of the combustor, it is helpful to understand the mechanism of the cavity as the flame-holder in supersonic combustor.

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