Journal
POWDER TECHNOLOGY
Volume 323, Issue -, Pages 95-102Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.powtec.2017.09.041
Keywords
Hybrid mixture explosion; Hazards in process industry; Coal mine accidents; Explosions in process industry; Explosion venting
Categories
Funding
- Department of Resources Energy and Tourism, Australia [G1201029]
- ACA Low Emissions Technologies Ltd., Australia [G1400523]
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This article reports an investigation on the explosion characteristics of methane-coal dust hybrid mixtures in a ducted spherical vessel. Methane-coal dust hybrid mixture explosion can occur in coal mines and spread into mine tunnels. While investigating the effects of methane addition to coal dust-air mixtures, the violence of coal dust explosions was found to increase significantly in the presence of methane. The energy of ignition was found to impact on the pressure rises in the vessel and in the duct. The experimental data and scientific analysis presented can assist in addressing ducted explosions originating from hybrid mixtures in process industries such as coal mines. (C) 2017 Elsevier B.V. All rights reserved.
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