The flammability of coal dust-air mixtures. Lean limits, flame temperatures, ignition energies, and partice size effects. Report of investigations

Technical Report · Mon Jan 01 00:00:00 EST 1979

OSTI ID:5400301

Hertzberg, M; Cashdollar, K L; Opferman, J J

A comprehensive study of the flammability behavior of air-dispersed coal dust was made using an 8-liter Bureau of Mines system which included the following: (1) An optical probe to continuously monitor the dust concentration; (2) measurements of ignition energy requirements; (3) the use of several narrow size distributions ranging from 3 to 65 micrometers in average diameter; (4) measurements of the extent of flame propagation based on pressure attained at constant volume, residual O2 content after combustion, and flame and dust surface temperatures.

• Research Organization: Bureau of Mines, Pittsburgh, PA (USA). Pittsburgh Mining and Safety Research Center
• OSTI ID: 5400301
• Report Number(s): PB-299521
• Country of Publication: United States
• Language: English

Related Subjects

01 COAL, LIGNITE, AND PEAT
COAL
COMBUSTION
DUSTS
FLAME PROPAGATION
FLAMES
FLAMMABILITY
HAZARDS
IGNITION
OXYGEN
PARTICLE SIZE
PROBES
CARBONACEOUS MATERIALS
CHEMICAL REACTIONS
CRYOGENIC FLUIDS
ELEMENTS
ENERGY SOURCES
FLUIDS
FOSSIL FUELS
FUELS
NONMETALS
OXIDATION
SIZE
THERMOCHEMICAL PROCESSES
014000* - Coal
Lignite
& Peat- Combustion