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Transmission of an explosion between linked vessels

โœ Scribed by Domnina Razus; D. Oancea; F. Chirila; N.I. Ionescu

Publisher
Elsevier Science
Year
2003
Tongue
English
Weight
443 KB
Volume
38
Category
Article
ISSN
0379-7112

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โœฆ Synopsis

Small scale experiments on explosion transmission through a narrow cylindrical tube (diameter: 3.0-8.3 mm) between two cylindrical vessels were performed, using a stoichiometric C 3 H 6 /air mixture at various initial pressures within the range 20-120 kPa. The successful explosion transmission between the linked vessels occurred above a critical initial pressure, which increases when the tube diameter decreases. The critical pressure of transmission measured for upward flame propagation is lower than the one for downward propagation, at each value of the tube diameter. Different patterns of pressure evolution were observed for upward and downward flame propagation. The influence of the tube diameter and initial pressure on the characteristic features of explosion evolution in each vessel (the peak pressures, the maximum rates of pressure rise and the time delay between ignition in the primary and secondary vessel) are discussed.

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