Abstract
A slow laminar flame which is a thin (less than 1 mm thick) gas layer separating media of different densities is proposed as the interface between gaseous media for laboratory studies of Richtmyer-Meshkov and Rayleigh-Taylor instabilities. The potential of the proposed approach to produce the interface is shown by the example of shock wave interaction with a laminar flame in a lean hydrogen-air mixture (6 vol.% hydrogen). The development of Richtmyer-Meshkov instability at the interface between a heavy (cold) mixture and a light (hot) mixture was recorded by shadowgraphy.
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Original Russian Text © A.A. Tyaktev, A.V. Pavlenko, N.B. Anikin, I.L. Bugaenko, Yu.A. Piskunov.
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Translated from Prikladnaya Mekhanika i Tekhnicheskaya Fizika, Vol. 61, No. 2, pp. 3–7, March–April, 2020.
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Tyaktev, A.A., Pavlenko, A.V., Anikin, N.B. et al. Richtmyer-Meshkov Instability of Laminar Flame. J Appl Mech Tech Phy 61, 157–161 (2020). https://doi.org/10.1134/S0021894420020017
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DOI: https://doi.org/10.1134/S0021894420020017