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The analysis of flame spread through forest fuel

โœ Scribed by E.V. Konev; A.I. Sukhinin

Publisher
Elsevier Science
Year
1977
Tongue
English
Weight
666 KB
Volume
28
Category
Article
ISSN
0010-2180

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โœฆ Synopsis

The flame-spread process through layers of some forest fuels (needles, grass etc.) has been analysed by taking fuel inhomogeneity as the factor controlling the formation of local flames at the leading edge of the flame front. It has been assumed that fuel heating ahead of the flame front is performed by radiation with heat losses due to convection; where the fuel and the flame are in direct contact, fuel is heated by radiation and convection together. The contribution of radiation in the heat balance of the spreading front for the bed of Pinus silvestris fallen needles has been estimated by temperature and radiation measurements and by painting the fuel (i.e., by two independent methods). It ranges from about 8% near the flamespread limit to 37% under certain conditions.

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