Critical Conditions for Plane-to-Cylindrical Detonation Wave Transformation

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 o...

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Bibliographic Details
Published in:Russian journal of physical chemistry. B 2019-07, Vol.13 (4), p.621-625
Main Authors: Mikhalkin, V. N., Medvedev, S. P., Mailkov, A. E., Khomik, S. V.
Format: Article
Language:English
Subjects:
Chemistry
Chemistry and Materials Science
Combustion
Cylindrical waves
Detonation waves
Explosion
Orifices
Physical Chemistry
Shock Waves
Transformations
Two dimensional analysis
Two dimensional models
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Summary: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.
ISSN:1990-7931
1990-7923
DOI:10.1134/S1990793119040249