Laser Spectrometric Measurement System for Local Express Diagnostics of Flame at Combustion of Liquid Hydrocarbon Fuels

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 spec...

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Bibliographic Details
Published in:Optics and spectroscopy 2016-03, Vol.120 (3), p.492-499
Main Authors: Kobtsev, V. D., Kozlov, D. N., Kostritsa, S. A., Smirnov, V. V., Stel’makh, O. M., Tumanov, A. A.
Format: Article
Language:English
Subjects:
Lasers
Lasers and Their Application
Optical Devices
Optics
Photonics
Physics
Physics and Astronomy
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Summary: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.
ISSN:0030-400X
1562-6911
DOI:10.1134/S0030400X16020132