The Homogeneity of Explosions Initiated by Flash Photolysis

Photo-electric studies have been made of the light emitted from flash-initiated explosions of acetylene and oxygen photo-sensitized by nitrogen dioxide in a long quartz tube. These confirmed the presence of a very short-lived intense emission from the diatomic radicals which had previously been foun...

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Bibliographic Details
Published in:Proceedings of the Royal Society of London. Series A, Mathematical and physical sciences Mathematical and physical sciences, 1955-12, Vol.233 (1192), p.147-151
Main Author: Thrush, Brian Arthur
Format: Article
Language:English
Subjects:
Chemical explosions
Detonation
Detonation waves
Explosions
Free radicals
Photoconductive cells
Photoelectric cells
Photolysis
Reflectors
Travel
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Summary:Photo-electric studies have been made of the light emitted from flash-initiated explosions of acetylene and oxygen photo-sensitized by nitrogen dioxide in a long quartz tube. These confirmed the presence of a very short-lived intense emission from the diatomic radicals which had previously been found by Norrish, Porter & Thrush (1953a). It is shown that, whilst the main part of the explosion is homogeneous, two detonation waves travel a short distance to the ends of the reaction vessel. The sharp peak is caused by the impact of one of these detonation waves on the vessel window nearer the spectrograph.
ISSN:1364-5021
0080-4630
1471-2946
2053-9169
DOI:10.1098/rspa.1955.0251