洞室气溶胶穿透率测量实验研究
China Powder Science and Technology(2011)
Abstract
为评价某洞室对气溶胶粒子的封堵特性,利用电子低压碰撞器(ELPI)对洞室气溶胶穿透率进行实验测量,得到气溶胶渗透进入洞室的穿透率,初步建立评价洞室气溶胶穿透率的方法。结果表明:该洞室气溶胶的穿透率为0~0.32,对应粒径为0.08~3μm,显著低于一般居所的气溶胶穿透率。通过两次实验测量对比发现,洞室的整体穿透率由少数较大裂隙决定,有效封堵大裂隙可以显著减小气溶胶的穿透率。
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Key words
penetration factor,grotto,aerosol
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