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논문 기본 정보

자료유형
학술저널
저자정보
노광철 (에어랩 주식회사) 김상우 (에어랩 주식회사) 황청하 (에어랩 주식회사)
저널정보
한국입자에어로졸학회 PARTICLE AND AEROSOL RESEARCH PARTICLE AND AEROSOL RESEARCH 제20권 제2호
발행연도
2024.7
수록면
69 - 77 (9page)
DOI
10.11629/jpaar.2024.20.2.069

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초록· 키워드

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In this study, the performance of air cleaners installed in subway stations was evaluated using field test method and chamber test method in accordance with the standard for air cleaner. Also, the air filter maintenance period was examined by the performance reduction of air cleaners with respect to the air filter usage period. From the field tests, the clean air delivery rate (CADR) of air cleaners with filter in use was about 85% on average compared to the ones with new filter. The main factor of CADR reduction was not the decrease of filter efficiency but the decrease of airflow rate. The chamber test results shows that the CADR of air cleaners decreased with the usage time, but the proper filter replacement can make the CADR keep about 95% of the certified CADR. The expected filter replacement cycle measured by the field test method was calculated to be approximately 3.35 months (100 days). However, the replacement cycle was a large difference between 1.2 and 6.6 months with the different stations. Therefore, the replacement cycle should be individually investigated for each station. The use of air cleaners must be effective in reducing fine dust in subway stations. For more effective air quality management in subway stations, additional researches is necessary to define the appropriate capacity of HVAC system and air cleaner, and related maintenance for each station.

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