Investigations into the Buildup and Development Conditions of Coal Dust Explosions in a 700-m Underground Gallery
- 1 January 1987
- book chapter
- Published by ASTM International
- p. 124-137
- https://doi.org/10.1520/stp28170s
Abstract
To investigate the buildup and development of coal dust explosions, comprehensive tests were carried out in a 8-m2, 700-m-long explosion gallery at the Experimental Mine Tremonia. The majority of these tests were done with “Dortmund standard coal dust” (coking coal) with a mean particle size between 18 and 22 µm. The following test conditions were varied: length of the fuel zone, strength of primary initiation and secondary initiation, coal dust concentration, mean particle size of coal dust, and inert content of coal dust. The test results are discussed.Keywords
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