Strategies for laser-induced fluorescence detection of nitric oxide in high-pressure flames. II. A-X(0,1) excitation.
作者： Wolfgang G. Bessler , Christof Schulz , Tonghun Lee , Jay B. Jeffries , Ronald K. Hanson
DOI: 10.1364/AO.41.003547
关键词:
摘要: Three different high-pressure flame measurement strategies for NO laser-induced fluorescence (LIF) with A– X(0,0) excitation have been studied previously computational simulations and experiments in flames up to 15 bars. Interference from O2 LIF is a significant problem lean measurements, pressure broadening quenching lead increased interference pressure. We investigate the signal strength, by hot molecular oxygen, temperature dependence of three previous schemes two newly chosen wavelength-resolved measurements premixed methane air at pressures between 1 60 bars range fuel/air ratios. In slightly an equivalence ratio 0.83 bars, contribution varies 8% 29% schemes. The best suppressed 226.03 nm.
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