当前位置: 首页 > 文章 > 华山松林细小可燃物层燃烧初始蔓延速度的初步研究 福建林业科技 2009,36 (1) 65-68
Position: Home > Articles > Preliminary Study on Initial Burning Spread Speed of Fine Combustible Layer in Pinus armandis Forest Journal of Fujian Forestry Science and Technology 2009,36 (1) 65-68

华山松林细小可燃物层燃烧初始蔓延速度的初步研究

作  者:
李世友;张凯;杨清;马爱丽;张桥蓉;刘会龙
单  位:
西南林学院保护生物学学院
关键词:
华山松;细小可燃物;燃烧试验;初始蔓延速度
摘  要:
用自行设计的燃烧床研究了华山松林细小可燃物含水率、载量对燃烧初始蔓延速度的影响,通过分析试验过程中各测点的温度变化曲线,提出了可燃物层燃烧的初始蔓延速度的计算方法,即试验台水平方向上两热电偶的距离除以两热电偶测定到最高温的时间差;华山松林细小可燃物层燃烧的初始蔓延速度随可燃物含水率的增加而下降,载量是影响华山松林细小可燃物燃烧初始蔓延速度的一个重要因素,含水率为5.68%的华山松林细小可燃物的平均初始蔓延速度为0.0227m.s-1,该速度接近华山松林细小可燃物层在森林防火期燃烧的最大初始蔓延速度。
译  名:
Preliminary Study on Initial Burning Spread Speed of Fine Combustible Layer in Pinus armandis Forest
作  者:
LI Shi-you1,2,ZHANG Kai1,YANG Qing1,MA Ai-li1,ZHANG Qiao-rong1,LIU Hui-long1(1.College of Conservation Biology,Southwest Forestry University,Kunming 650224,Yunnan,China;2.Key Laboratory of Forest Disaster Early Warning and Control of Yunnan Higher Education Institutions,Kunming 650224,Yunnan,China)
关键词:
Pinus armandis;fine combustion;burning experiment;initial spread speed
摘  要:
The effects of moisture content and loads of fine combustible layer in Pinus armandis forest on initial burning spread speed were studied by combustion bed designed by ourselves,The calculation method of initial burning spread speed,namely the distance between two thermocouples divided time interval of highest.The initial burning spread speed of fine combustible layer in P.armandis forest decreased with moisture content increasing,the load was important factor for affecting the initial burning spread speed,and the average initial fire spread speed of fine combustible with 5.68% of water was 0.0227m/s,which was near the maximum initial burning speed of fine combustible of P.armandis forest in forest fireproofing season.

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