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논문 기본 정보

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(서울대학교) (서울대학교) (서울대학교) (하나지엔씨) (하나지엔씨) (서울대학교)
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대한설비공학회 설비공학논문집 설비공학논문집 제37권 제3호
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    초록·키워드

    This study aimed to address noise issues and concerns regarding contaminant re-entry in temporary negative pressure isolation rooms equipped with portable negative pressure units. To achieve this, we developed low-noise integrated portable HEPA filter unit and separated unit, in which fan and filter components were divided. We then evaluated their performance in both a healthcare facility and a simulated chamber, comparing with the existing integrated unit currently used in healthcare facilities. Results showed that the low-noise integrated unit significantly reduced noise levels compared to the existing integrated unit. The separated unit exhibited similar noise levels to the low-noise integrated unit at lower airflow rates but exhibited lower noise levels compared to the integrated unit as airflow increased. The separated unit also effectively prevented contaminant re-entry, with lower tracer gas concentrations observed in the patient room and hallway compared to the integrated unit during the chamber experiment.

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      UCI(KEPA) : I410-151-25-02-092456391