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本文采用数值模拟方法 ,针对燃油试验室厂房内航空煤油蒸汽,在不同工况下,计算煤油蒸汽的浓度分布规律。结果表明:通风装置的空气流速对煤油蒸汽浓度影响较大,当空气流速为2m/s时,空间内浓度最低;空间内环境温度升高,煤油蒸汽浓度增大,当温度达闪点时,煤油蒸汽扩散加剧;厂房空间内采用底部送风的方式,能明显降低整个空间内煤油蒸汽的浓度。
In this paper, the numerical simulation method is used to calculate the concentration distribution of kerosene vapor under different working conditions for the aviation kerosene steam in the fuel laboratory. The results show that the airflow velocity of the ventilation device has a great influence on the steam concentration of kerosene. When the air velocity is 2m / s, the concentration in the space is the lowest. When the ambient temperature increases and the kerosene vapor concentration increases, The proliferation of kerosene vapor is exacerbated; the bottom air supply is used in the plant space to significantly reduce the concentration of kerosene vapor throughout the space.