P33. Dust control using ultrasonic atomization(Poster Presentation)

概要

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The continuous exposure to a fine dust has harmful effect to human health. It is necessary to control dust in working field. This study examined dust control using the humidity and the water particles generated by ultrasonic atomization. Consequently, when the relative air humidity increased from 50% to 70%, the amount of dust dispersion dropped by 20% and when increased to 90%, it dropped to half. And when the condition that there is 0.08 g of water particles with 66% of the relative air humidity, the amount of dust dispersion dropped by 17% compared with the condition without water particles with the same relative air humidity. For this reason, it is clear that the increment of humidity and the generation of water particles using ultrasonic atomization have a suppressant effect of the dust dispersion.
2011-10-15