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논문 기본 정보

자료유형
학술저널
저자정보
저널정보
대한건축학회 대한건축학회 논문집 - 계획계 대한건축학회논문집 - 계획계 제20권 제7호
발행연도
2004.7
수록면
216 - 223 (8page)

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초록· 키워드

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Air filters of air conditioning system play a main role in improving indoor air quality. However there is not enough
information about air filters and any official maintenance standards or guidelines for air filters in Korea. The aims of this study are proposal for air filter test methods after installation and basic data about air filter maintenance guidelines or standards. In
this study, arrestances, pressure losses and microorganisms between the upstream and the downstream of air filters were
measured with digital dust indicators, a micro manometer and blood agar plates. Measurements were conducted before and after
washing out pre filters and outdoor air untake ratio varied between 10%, 20% and 30% under actual operating conditions. The
results of this study is as follows. Arrestance increased depending on whether the input of outdoor air was added. However
some cases did not follow the trend. Pressure loss decreased depending on whether the input of outdoor air was added to AHUs
which have built-out type return fans and vice versa in the built-in type. In contrast, the colony counts of microorganisms
increased in the downstream of air filters. The rates of increase dropped depending on the addition of the input of OA.
Arrestance increased, pressure loss decreased and the rates of increase of microorganisms dropped after washing out prefilters.
Medium filter replacement is the main factor for arrestance, prefilter replacement or washing is the main factor for
microorganisms but the range of fluctuation in differential pressure was hard to recognize as 1∼4mmAq. As for the results,
proper maintenance for air filters, periodical washing out prefilters are important and development air filter performance test methods, standards or guidelines of dust concentration and microorganisms in AHUs after installation are required.

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Abstract

1.서론

2.측정 개요

3.측정결과 및 고찰

4.결론

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UCI(KEPA) : I410-ECN-0101-2009-540-014284704