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Explosion development in a spherical vessel.

Authors
Nagy-J; Conn-JW; Verakis-HC
Source
Pittsburgh, PA: U.S. Department of the Interior, Bureau of Mines, RI 7279, 1969 Aug; :1-23
Link
NIOSHTIC No.
20036631
Abstract
The Bureau of Mines examined explosion development in a closed spherical vessel, mathematically correlating flame travel, pressure, and time with parameters defining the reaction. The model assumes that burnt and unburnt zones are separated by a thin, radially moving flame front. Isothermal and adiabatic systems are considered. Correlation with gas and dust explosion data is better for the adiabatic system, but the isothermal development is simpler and in reasonably good agreement. Interpretation of the explosion phenomena is facilitated by expressing the rate of mole change in the flame front in terms of elementary parameters. This expression is developed by examining the components of spatial-flame velocity.
Keywords
Mining-industry; Coal-mining; Dust-explosions; Explosion-prevention; Explosion-damage; Explosions; Explosive-dusts
Publication Date
19690801
Document Type
Report of Investigations
Fiscal Year
1969
NTIS Accession No.
NTIS Price
Identifying No.
RI-7279
NIOSH Division
HSRTC
Source Name
Pittsburgh, PA: U.S. Department of the Interior, Bureau of Mines, RI 7279
State
PA
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