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介绍了尘粒在雾滴表面捕集效率的一种计算方法。分析了尘粒、捕尘体不荷电或均荷电时,在黏性流场中雾滴的捕集效率。通过计算发现:雾滴和尘粒均荷电时捕集发生在整个雾滴表面;松弛时间反应了尘粒的惯性与捕集效率的关系。
A calculation method of dust particle trapping efficiency on the droplet surface is introduced. The dust collection efficiency of the droplet in the viscous flow field is analyzed when the dust particles and the dust collecting body are not charged or charged. The calculation shows that both the droplet and the dust particles are trapped on the entire surface of the droplet when charged; the relaxation time reflects the relationship between the inertia of the particle and the collection efficiency.