Abstract
The critical conditions for the transformation of a plane detonation wave into a cylindrical detonation wave are experimentally found. For mixtures of oxygen with hydrogen or methane, the geometric conditions are determined for detonation initiation in a cylindrical gap at various diameters of the orifice through which the plane detonation enters the gap. To identify features of observed explosive processes, the results of two-dimensional numerical modeling are analyzed.
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Funding
This work was supported by the 2013–2020 Program of Basic Research of the Russian Academy of Sciences on the subject for the Semenov Institute of Chemical Physics, Russian Academy of Sciences, Moscow, Russia, no. 49.23 (State Registration Number TsITIS AAAА-A18-118031590088-8).
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In memoriam A. A. Borisov
Translated by V. Glyanchenko
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Mikhalkin, V.N., Medvedev, S.P., Mailkov, A.E. et al. Critical Conditions for Plane-to-Cylindrical Detonation Wave Transformation. Russ. J. Phys. Chem. B 13, 621–625 (2019). https://doi.org/10.1134/S1990793119040249
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DOI: https://doi.org/10.1134/S1990793119040249