FLAME ACCELERATION AND TRANSITION TO DETONATION IN LARGE FUEL-AIR CLOUDS WITH OBSTACLES

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Authors
  1. Moen, I.O.
  2. Sulmistras, A.
Corporate Authors
Defence Research Establishment Suffield, Ralston ALTA (CAN);Concordia Univ, Montreal QUE (CAN) Dept of Mechanical Engineering
Abstract
The results of a series of flame acceleration tests performed at the Defence Research Establishment Suffield (DRES) are reported. These tests were performed in order to assess the potential for flame acceleration and transition to detonation in simulated industrial environments with repeated obstacles. The experimental apparatus consisted of a channel 1.8 m x 1.8 m in cross-section and 15.5 m long, connected to a 0.9 m diameter tube, 8 m long. The bottom of the channel was confined by the ground, and the sides were confined by plywood or plexiglass sheets. The only top and end confinement was due to the plastic envelope which was used to seal the configuration to contain the explosive gaseous mixture. Two obstacle configurations were tested, corresponding to 500 mm or 220 mm diameter tubes mounted across the channel at regular intervals.
Report Number
DRES-M-1159 — Memorandum
Date of publication
15 Apr 1986
Number of Pages
98
DSTKIM No
89-01884
CANDIS No
106767
Format(s):
Document Image stored on Optical Disk;Originator's fiche received by DSIS

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