Cheng Wang , Shixiang Song , Gongtian Gu , Ming Gao , Yi Yang
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引用次数: 0
摘要
航空煤油是民用和军用飞机的主要燃料。为了研究航空煤油储罐的爆炸火球分布和热辐射效应，建立了动态爆炸试验系统。研究了不同油量（空油、底油、半油和满油）在弹丸动态冲击下爆炸火球的发展规律和热辐射特性。动态爆炸过程分为四个阶段：弹丸爆炸、航空煤油喷射流、航空煤油爆燃和池火。建立了最大直径、最大高度、火球持续时间和油量的评价模型（Y=aXb）。火球温度呈现出 "上升-下降-上升-振荡衰减 "的趋势。随着油量的增加，最大火球温度和平均温度先升高后降低，最大值分别为 1534.67 K 和 1285.78 K。基于火球动态模型，分析了火球热辐射对人员的伤害效应，得到了安全半径和伤害概率，并构建了动态爆炸火球热辐射场。
Fireball distribution characteristics and thermal radiation effects in the explosion of aviation kerosene storage tank
Aviation kerosene acts as the main fuel for civil and military aircrafts. In order to study the explosion fireball distribution and thermal radiation effects of aviation kerosene storage tank, the dynamic explosion test system was established. The development law of explosion fireball and the thermal radiation characteristics in the presence of various oil volumes (empty, bottom, half and full oil) under the dynamic impact of projectile were studied. The dynamic explosion process was divided into four stages: projectile explosion, aviation kerosene jet flow, aviation kerosene deflagration and pool fire. The evaluation model (Y=aXb) for maximum diameter, maximum height, duration of fireball and oil mass was established. The fireball temperature showed a trend of ‘rise-fall-rise-oscillation attenuation’. The maximum fireball temperature and average temperature increased first and then decreased as increasing the oil volumes, with the maximum values at 1534.67 K and 1285.78 K, respectively. Based on the fireball dynamic model, the damage effect of fireball thermal radiation on personnel was analyzed, the safety radius and injury probability were obtained, and the dynamic explosion fireball thermal radiation field was constructed.
期刊介绍：
The Process Safety and Environmental Protection (PSEP) journal is a leading international publication that focuses on the publication of high-quality, original research papers in the field of engineering, specifically those related to the safety of industrial processes and environmental protection. The journal encourages submissions that present new developments in safety and environmental aspects, particularly those that show how research findings can be applied in process engineering design and practice.
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