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An Experimental Study of the Effect of Spark Energy on Piloted Ignition of Wood
Author(s): 
Pages: 891-894
Year: Issue:  5
Journal: Journal of Engineering Thermophysics

Keyword:  电火花 引燃能量 着火时间 失重速率 临界热流;
Abstract: 在不同外部辐射热流下,研究了电火花引燃能量对杉木着火特性的影响。实验测得并分析了着火时间、着火时刻失重速率、临界热流随电火花能量的变化规律。结果表明,木材的着火时间随电火花能量的增大而明显缩短;随着电火花能量的增大,着火时刻的失重速率和临界热流都有减小的趋势,其中,临界热流变化较小,通过实验数据推导得出实验条件下杉木着火临界热流在11~15kW/m2之间。
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