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Temperature Measurement in a Bunsen Gas–Droplet Flame of Ethanol Using OH PLIF

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Combustion, Explosion, and Shock Waves Aims and scope

Abstract

This paper presents the results of two-line OH planar laser-induced fluorescence (PLIF) thermometry in a laminar conical flame of a gas–droplet mixture of ethanol and air. Laminar flow of a droplet-laden ethanol–air uniform mixture was produced by an ultrasonic atomizer in a vessel filled with liquid ethanol. The properties of the two-phase flow at the nozzle exit without combustion were controlled by a time-shift optical sensor. The temperature field was estimated based on the excitation of the \(Q_{1}\)(5) and \(Q_{1}\)(14) lines of the (1–0) band of the \(A^{2}\Sigma ^{ + }\)–\(X^{2}\Pi\)electronic system. The spatial nonuniformity of the energy distribution in the laser light sheet illuminating the central plane of the flame cone and the change in the pulse energy from frame to frame were compensated using an additional camera recording the laser light intensity distribution in the calibration cuvette.

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Authors and Affiliations

  1. Kutateladze Institute of Thermophysics, Siberian Branch, Russian Academy of Sciences, 630090, Novosibirsk, Russia

    D. K. Sharaborin, A. S. Lobasov, R. V. Tolstoguzov & V. M. Dulin

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  1. D. K. Sharaborin
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  2. A. S. Lobasov
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  3. R. V. Tolstoguzov
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  4. V. M. Dulin
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Correspondence to D. K. Sharaborin.

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Translated from Fizika Goreniya i Vzryva, 2022, Vol. 58, No. 5, pp. 3-11.https://doi.org/10.15372/FGV20220501.

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Sharaborin, D.K., Lobasov, A.S., Tolstoguzov, R.V. et al. Temperature Measurement in a Bunsen Gas–Droplet Flame of Ethanol Using OH PLIF. Combust Explos Shock Waves 58, 507–515 (2022). https://doi.org/10.1134/S001050822205001X

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