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Early Research on Gas and Dust Explosions.

Authors
Jacobson-M; Nagy-J
Source
Proceedings of the International Symposium on the Explosion Hazard Classification of Vapors, Gases, and Dusts, National Materials Advisory Board, Publication NMAB-447 1987:17-23
Link
NIOSHTIC No.
00181749
Abstract
Early research on gas and dust explosions was reviewed. Research on the ignition and explosion hazards of gases increased around the turn of the century as a result of increased industrial activity. Research on the flammability of gases published in 1898 provides a basis for calculating the limits of flammability of gas mixtures still in use. Research conducted by the United States Bureau of Mines on the ignition and explosion properties of gases was mentioned. Dust explosions were discussed. The historical background of dust explosions was summarized. The first recorded case of a dust explosion occurred in an Italian flour mill in 1785. It was not until 1900 that the notion that dust explosions in coal mines could be initiated and propagated by the dust without the assistance of combustible gases became accepted. Research on dust explosions conducted by the Bureau of Mines was discussed. Factors influencing the explosibility hazard of a dust were considered. A dust explosion can be regarded as a rapid combustion, during which flame spreads through the dust cloud producing heat more rapidly than it can be dissipated. The explosion hazard of a dust is related to the ease of ignition and the severity of the ensuing explosion. The ease of ignition may be considered to be a function of ignition temperature, minimum ignition energy, and minimum explosive concentration. Techniques for evaluating the explosion hazard of dusts were reviewed.
Keywords
Gas-mixtures; Dust-explosions; Industrial-safety; Laboratory-testing; Combustible-gases; Ignition-point; Explosion-prevention;
Publication Date
19870101
Fiscal Year
1987
NTIS Accession No.
NTIS Price
Source Name
Proceedings of the International Symposium on the Explosion Hazard Classification of Vapors, Gases, and Dusts, National Materials Advisory Board, Publication NMAB-447
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