Ignition of Different Metamorphic Grade Coals by Free-Running Laser Pulses

We studied laser ignition (1064 nm, 120 µs) 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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Bibliographic Details
Published in:Optics and spectroscopy 2020-03, Vol.128 (3), p.429-435
Main Authors: Aduev, B. P., Nurmukhametov, D. R., Kraft, Ya. V., Ismagilov, Z. R.
Format: Article
Language:English
Subjects:
Applied Optics
Ignition
Lasers
Optical Devices
Optics
Photonics
Physics
Physics and Astronomy
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Description
Summary:We studied laser ignition (1064 nm, 120 µs) 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.
ISSN:0030-400X
1562-6911
DOI:10.1134/S0030400X20030029