Abstract

The subjects of this work are: identification of features of common and different for the flame propagation in volumes from 3 l to 30 m3; comparison of the flame propagation modes upon ignition with energies from 1 mJ to 5 J; explanation of differences in results when using different shells that limit the volume of the combustible mixture. A series of experiments on spherical propagation of flame front in various shells is conducted. The position and morphology of the flame front was recorded with ir camera Infratec ImageIR 8320 with spectral range 2–5.7 µm and schlieren device IAB-451 equipped with high-speed camera VideoSprint G2. Dependences of the flame front position versus time are obtained.

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