Induced by extremely inflammable characteristic, fire accidents worldwide of crops frequently occur and give rise to loss of life and personal injury. Given this problem, combustion behavior characterization of four major crops was investigated by cone calorimeter. Results confirmed the less quantity of crops needed longer time to be ignited. Meanwhile, the linear relation between the inverse square of time to ignition and heat flux of crops was found. For heat release rate (HRR), it was demonstrated that more quantity of crops prolonged the heat release process. For instance, with heat flux of 50 kW/m², HRR values of 100 and 50 g soybean at 400 seconds were 212 and 40 kW/m². Besides, peak values of HRR (PHRR) were close with different mass, especially for corn. Interestingly, compared to less quantity, more quantity crops were harder to be ignited at same heat flux. In addition to soybean, PHRR and total heat release (THR) of crops was gradually increased with the increasing heat flux. Meanwhile, THR values of 100 g crops were lower than double THR of 50 g crops. The investigation of combustion behavior characteristic could guide the safety storage of crops, thus avoiding the occurrence of crops fire hazards.

中文翻译：

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锥形量热仪表征主要农作物的燃烧行为

由于极易燃的特性，全世界范围内的农作物经常发生火灾事故，并造成生命损失和人身伤害。鉴于此问题，通过锥形量热仪研究了四种主要农作物的燃烧行为特征。结果证实较少的农作物需要更长的时间被点燃。同时，发现了点火时间的平方与农作物的热通量之间存在线性关系。对于放热率（HRR），已证明更多的农作物延长了放热过程。例如，热通量为50 kW / m ^2时，400秒时100和50 g大豆的HRR值为212和40 kW / m ²。此外，不同质量的HRR（PHRR）峰值接近，尤其是玉米。有趣的是，与数量较少的作物相比，在相同的热通量下，难以点燃数量更多的农作物。除大豆外，随着热通量的增加，作物的PHRR和总热量释放（THR）逐渐增加。同时，100 g作物的THR值低于50 g作物的THR的两倍。燃烧行为特征的研究可以指导农作物的安全贮藏，从而避免了农作物火灾的发生。