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누적 입자의 직경에 따른 HEPA 필터 성능 변화 특성에 대한 실험적 연구
김관택(Gwan Taek Kim),이종범(Jong Beom Lee),김무중(Moo joong Kim),윤백(Baek Youn),임병한(Byung Han Lim),주의성(Euy Sung Chu),김권진(Kwon Jin Kim) 대한기계학회 2016 대한기계학회 춘추학술대회 Vol.2016 No.12
In previous paper investigated the HEPA(High Efficiency Particulate Air filter) filter change of the performance(such as filtration efficiency, flow rate and pressure drop) with accumulated ultra-fine particle under 0.3 μm. The electrostatic force is decrease the ultra-fine and fine particle to accumulate in the HEPA filter. Fine particle is larger the inertial impaction and interception effect of the dust cake generation. For this reason, filtration efficiency tend to decreased during accumulated ultra-fine particle. on the other hand fine particle is increased as the accumulated filtration efficiency. In this study investigated the performance change accumulate ultra-fine particle, then fine particle.