Eur. Phys. J. AP
Volume 2, Number 2, May 1998
|Page(s)||183 - 188|
|Published online||15 May 1998|
A review of detonation initiation techniques for insensitive dense methane-oxygen-nitrogen mixtures
Laboratoire de Combustion et de Détonique (UPR 9028 du CNRS)
- ENSMA Poitiers, France
2 French-German Research Institute - ISL - Saint Louis, France
3 University of Washington - AERP - Seattle, Wa, USA
Revised: 4 November 1997
Accepted: 13 January 1998
Published online: 15 May 1998
This paper is aimed at providing some data on the detonability of methane mixtures at a high initial pressure. The relevant work that has been performed so far was based on a conventional source of ignition, i.e., a blasting cap. Following these initiation experiments at the French German Research Institute (ISL), two sets of experiments were performed in CH4/Air mixtures, at initial pressures in the range of 0.1 to 3.7 MPa, at the University of Washington (UW): (1) using a piston that directly enters the test section in the velocity range of 1100–1800 ms−1 and (2) the piston impacts an intermediate section of CH4/O2. An additional series of experiments was performed using an initiator stage of stoichiometric CH4/O2 ignited by a 150 J conventional fuse cap.
PACS: 82.40.-g – Chemical kinetics and reactions: Special regimes and techniques
© EDP Sciences, 1998
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