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    Electronic Resource
    Electronic Resource
    [S.l.] : American Institute of Physics (AIP)
    Review of Scientific Instruments 60 (1989), S. 2601-2605 
    ISSN: 1089-7623
    Source: AIP Digital Archive
    Topics: Physics , Electrical Engineering, Measurement and Control Technology
    Notes: A rapid-scanning optical spectrometer based on fiberoptic probes, used to measure radical emission in low-pressure premixed laminar flames, is presented. Emission spectra and intensity profiles as a function of height above the burner have been recorded for OH, CH, and C2 in an ethylene/oxygen/nitrogen flame (14% C2 H4 , 64% O2 , 22% N2 ), stabilized at 5 Torr on a sintered stainless-steel burner. The emitted light was guided from the flame reactor to the spectrometer by fused silica optical fibers. Rapid scanning (100 scans/s) eliminates the effects of turbulence and temporal signal fluctuations, as 104 –105 scans over a preset spectral window are collected and signal averaged within a few minutes. The technique is discussed and compared to classical methods in flame spectroscopy.
    Type of Medium: Electronic Resource
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