植物可燃性测试:极低点火频率和总体可燃性得分问题

IF 1.5 Q3 ENGINEERING, CHEMICAL
Zorica Kauf, A. Fangmeier, R. Rosavec, Ž. Španjol
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引用次数: 15

摘要

近几十年来,火情的变化导致火灾易发生态系统的脆弱性增加,植被是影响火情的唯一因素,可以通过管理来减少极端火灾事件的发生概率。为了使这些管理措施有效,关于植被可燃性的可靠信息至关重要。基于辐射器的测试方法是研究植物可燃性的常用方法之一,点火频率的降低通常被解释为可燃性的降低。此外,收集到的信息通常被合并成一个单一的可燃性评分。在这里,我们给出了凋落叶测试的结果,以及之前对类似材料的研究结果,表明在某些测试条件下点火频率很低的材料,如果测试条件稍微改变,就会变得非常易燃。此外,我们的研究结果表明,将测量到的信息合并到一个单一的可燃性评分中,尽管有时有用,但并不总是有意义的,应该谨慎执行。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Testing Vegetation Flammability: The Problem of Extremely Low Ignition Frequency and Overall Flammability Score
In the recent decades changes in fire regimes led to higher vulnerability of fire prone ecosystems, with vegetation being the only component influencing fire regime which can be managed in order to reduce probability of extreme fire events. For these management practices to be effective reliable information on the vegetation flammability is being crucial. Epiradiator based testing methods are one of the methods commonly used to investigate vegetation flammability and decrease in ignition frequency is always interpreted as a decrease in flammability. Furthermore, gathered information is often combined into a single flammability score. Here we present results of leaf litter testing which, together with previously conducted research on similar materials, show that material with very low ignition frequency under certain testing conditions can be extremely flammable if testing conditions are slightly changed. Additionally, our results indicate that combining measured information into one single flammability score, even though sometimes useful, is not always meaningful and should be performed with caution.
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来源期刊
Journal of Combustion
Journal of Combustion ENGINEERING, CHEMICAL-
CiteScore
2.00
自引率
28.60%
发文量
8
审稿时长
20 weeks
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