Abstract
A laboratory laser spectrometric measurement system for investigation of spatial distributions of local temperatures in a flame at combustion of vapors of various liquid hydrocarbon fuels in oxygen or air at atmospheric pressure is presented. The system incorporates a coherent anti-Stokes Raman spectrometer with high spatial resolution for local thermometry of nitrogen-containing gas mixtures in a single laser shot and a continuous operation burner with a laminar diffusion flame. The system test results are presented for measurements of spatial distributions of local temperatures in various flame zones at combustion of vapor—gas n-decane/nitrogen mixtures in air. Its applicability for accomplishing practical tasks in comparative laboratory investigation of characteristics of various fuels and for research on combustion in turbulent flames is discussed.
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Original Russian Text © V.D. Kobtsev, D.N. Kozlov, S.A. Kostritsa, V.V. Smirnov, O.M. Stel’makh, A.A. Tumanov, 2016, published in Optika i Spektroskopiya, 2016, Vol. 120, No. 3, pp. 519–527.
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Kobtsev, V.D., Kozlov, D.N., Kostritsa, S.A. et al. Laser Spectrometric Measurement System for Local Express Diagnostics of Flame at Combustion of Liquid Hydrocarbon Fuels. Opt. Spectrosc. 120, 492–499 (2016). https://doi.org/10.1134/S0030400X16020132
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DOI: https://doi.org/10.1134/S0030400X16020132