Experimental study of peat ignition and combustion

Гришин, А. М.; Golovanov, A. N.; Sukov, Ya. V.; Preis, Yu. I.

doi:10.1007/s10891-006-0136-8

Cited by 14 publications

(15 citation statements)

References 1 publication

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“…After ignition of the pyrolysis products, there is a further increase in the peat surface temperature until the cessation of energy supply. After that, the surface temperature decreases rapidly, flaming combustion ceases due to the absence of a sufficient amount of pyrolysis products, and transition to smoldering at a temperature of about 790 K occurs, which is consistent with the results of [2,14,15].…”

Section: Results Of Experimental Studiessupporting

confidence: 88%

“…It is seen that the peat ignition energy is affected by the radiation intensity and the moisture content of the samples. A significant effect of peat moisture content on the minimum ignition energy was noted in [2].…”

Section: Methodsmentioning

confidence: 96%

“…Peat fires are a common natural phenomenon [1,2]. Extinguishing of such fires is a laborious and difficult task.…”

Section: Introductionmentioning

confidence: 99%

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Experimental study of peat ignition upon exposure to radiant energy

Kuznetsov

Loboda

2010

Combust Explos Shock Waves

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Peat ignition upon exposure to radiant energy was studied experimentally for various kinds typical of bogs of Tomsk Region (Russia) and bogs near the city of Edinburgh (UK). The exposure time and energy density required for ignition of various kinds of peat; the characteristic burning surface temperature; and the range of radiant flux in which the combustion mode changed from flaming to smoldering were determined.

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Section: Results Of Experimental Studiessupporting

confidence: 88%

Section: Methodsmentioning

confidence: 96%

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Experimental study of peat ignition upon exposure to radiant energy

Kuznetsov

Loboda

2010

Combust Explos Shock Waves

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“…The density, moisture content, and mineral (or ash) content of peat has been shown to affect its ignitability. In general, it is more difficult to ignite peat when the density or moisture content increases [26,27]. However, the minimum ignition energy of Russian peat was shown by Grishin and others [27] to have an optimum level of both density and moisture content.…”

Section: Introductionmentioning

confidence: 99%

“…In general, it is more difficult to ignite peat when the density or moisture content increases [26,27]. However, the minimum ignition energy of Russian peat was shown by Grishin and others [27] to have an optimum level of both density and moisture content. For the lowest density tested (0.38 9 10 3 kg/m 3 ), an increase in the ignition energy was seen.…”

Section: Introductionmentioning

confidence: 99%

A Study of Wildfire Ignition by Rifle Bullets

et al. 2015

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Abstract. Experiments were conducted to examine the potential for rifle bullets to ignite organic matter after impacting a hard surface. The tests were performed using a variety of common cartridges (7.62 9 51 [.308 Winchester (The use of tradenames is provided for informational purposes only and does not constitute an endorsement by the U.S. Department of Agriculture.)], 7.62 9 39, 7.62 9 54R, and 5.56 9 45 [.223 Remington]) and bullet materials (steel core, lead core, solid copper, steel jacket, and copper jacket). Bullets were fired at a steel plate that deflected fragments downward into a collection box containing oven-dried peat moss. We found that bullets could reliably cause ignitions, specifically those containing steel components (core or jacket) and those made of solid copper. Lead core-copper jacketed bullets caused one ignition in these tests. Thermal infra-red video and temperature sensitive paints suggested that the temperature of bullet fragments could exceed 800°C. Bullet fragments collected from a water tank were larger for solid copper and steel core/jacketed bullets than for lead core bullets, which also facilitate ignition. Physical processes are reviewed with the conclusion that kinetic energy of bullets is transformed to thermal energy by plastic deformation and fracturing of bullets because of the high-strain rates during impact. Fragments cool rapidly but can ignite organic matter, particularly fine material, if very dry and close to the impact site.

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