Journal
OPTICS AND SPECTROSCOPY
Volume 128, Issue 3, Pages 429-435Publisher
PLEIADES PUBLISHING INC
DOI: 10.1134/S0030400X20030029
Keywords
coal; laser; ignition; volatiles; degree of coalification; coke residue
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Funding
- program of fundamental researches of the Institute of Coal Chemistry and Material Science [V.49.1.5, AAAA-A17-117041910150-2]
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We studied laser ignition (1064 nm, 120 mu s) of coals of grades DG, G, Zh, and K. For all grades of coal, three successive ignition stages were found that were characterized by threshold radiation energy densities that have characteristic values for each grade of coal.
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