SLOPE AND FUEL LOAD EFFECTS ON FIRE BEHAVIOR - LABORATORY EXPERIMENTS IN PINE NEEDLES FUEL BEDS

被引:94
作者
DUPUY, JL
机构
[1] Institut National de la Recherche Agronomique, Laboratoire des Recherches Forestieres Mediterraneennes, Equipe de Prevention, Avignon, 84000, Incendies de Forets Avenue Vivaldi
关键词
FIRE BEHAVIOR; RATE OF SPREAD; RATE OF MASS LOSS; MODELING ASSUMPTIONS; SLOPE;
D O I
10.1071/WF9950153
中图分类号
S7 [林业];
学科分类号
0829 ; 0907 ;
摘要
Laboratory fire experiments were conducted in both Pinus pinaster and Pinus halepensis litters in order to investigate the effect of slope on fire behaviour for different levels of fuel load. Simulated slopes ranged between -30 degrees and +30 degrees. The results are reported in terms of rate of spread and rate of mass loss when observed fire was quasi-steady. Upslope fires were observed, on the present devices, to be unsteady, and their flame to be three-dimensionnal, when slope and fuel load exceeded certain limits. The heat transfers involved in the explanation of the observed behaviours are discussed, especially on the base of the quite different results obtained in the two tested fuel. beds.
引用
收藏
页码:153 / 164
页数:12
相关论文
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