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Experimental Studies on Forced-Ventilated Fires

机译:强制通风火灾的实验研究

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References(22) Cited-By(3) Full scale burning tests were performed to study wood, polymethylmethacrylate (PMMA) and methanol fires in a compartment under forced ventilation conditions. In each fire test, the mass loss rate, the gas temperature, the flame height, carbon monoxide, carbon dioxide and oxygen concentrations were measured. Results illustrated that the burning behaviour of wood will be affected by the ventilation rate. But for PMMA and methanol fires, the burning behaviour and the fire plume properties are not so sensitive to the change in ventilation rates. The hot gas temperatures for wood and PMMA fires within the quasi-steady burning period are expressed in terms of the extraction rates and the average total heat-release rate with empirical constants determined by this experiment. Also the average hot gas temperatures are compared with the values calculated by the simple model due to Deal and Beyler (1990).
机译:参考文献(22)(3)进行了全面燃烧试验,以研究在强制通风条件下隔室中的木材,聚甲基丙烯酸甲酯(PMMA)和甲醇燃烧。在每个燃烧测试中,测量质量损失率,气体温度,火焰高度,一氧化碳,二氧化碳和氧气浓度。结果表明,木材的燃烧行为将受到通风速率的影响。但是对于PMMA和甲醇火灾,燃烧行为和火羽特性对通风速率的变化并不那么敏感。在准稳态燃烧期内,木材和PMMA燃烧的热气温度以抽出率和平均总放热率表示,并通过该实验确定经验常数。此外,由于Deal和Beyler(1990),将平均热气温度与通过简单模型计算出的值进行了比较。

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