에어컨 필터 먼지 차폐가 공기청정 성능에 미치는 영향 연구 = A Study on the effect of dust loading on air conditioner air cleaning performance

국문 초록 (Abstract)

실내에서 보내는 시간이 증가함에 따라 실내 공기질 관리의 중요성이 커지고 있다. 실내 미세먼지는 외부 유입과 실내 발생 요인으로 인해 농도가 증가할 수 있고 이는 호흡기 및 심장 건강에 심각한 영향을 미칠 수 있다. 에어컨의 공기청정 기능을 사용하여 실내 공기를 정화할 경우, 필터 사용 시간에 따라 먼지가 쌓여 공기청정 효율이 저하될 수 있다. 따라서 필터는 주기적으로 교체해야 하며, 에어컨 필터의 교체 주기는 필터의 종류와 사용 조건에 따라 달라질 수 있다. 실험을 통해 정전필름필터와 정전섬유필터 2종에대한 먼지 부하에 따른 공기청정 성능을 비교하였고 필터의 종류에 따라 필터 수명이 다
른 결과를 나타냈다. 이 실험결과를 통해 필터의 종류에 따라 적절한 필터 교체 주기를 안내하는 것이 필요함을 확인하였다. 정전필름필터의 공기청정성능 급감의 원인으로 예상되는 먼지 차폐에 따른 고전압 이온발생기 대전력 변화, 필터 단품 특성에 따른 유속 및 유량 변화에 따른 연구를 추가 진행한다면 향후 먼지차폐에 따른 필터 수명 개선에 도움이 될 것이다.

목차 (Table of Contents)

• 1. 서 론 ···········································································································1
• 1.1 연구배경 ···································································································1
• 1.2 선행연구 ··································································································5
• 1.3 연구내용 및 목적 ······················································································7
• 2. 이론적 배경 ·······························································································9
• 2.1 에어컨 필터 먼지흡착 메커니즘 ································································9
• 2.1.1. 반데르 발스 힘····················································································· 11
• 2.2 에어컨 적용 공기청정 필터 ····································································· 13
• 2.2.1 프리필터······························································································ 13
• 2.2.2 정전필터····························································································· 14
• 2.2.3 전기집진시스템 ·················································································· 16
• 2.3 필터 차압 증가 메커니즘·········································································· 19
• 2.4 에어컨 공기청정화능력(CADR) ····························································· 20
• 3. 실험 장치 및 방법 ····················································································· 22
• 3.1 수치해석 ································································································ 22
• 3.2 필터 먼지 입자 모사 및 먼지 부하 ···························································· 25
• 3.3 실험 시료································································································ 29
• 3.4 공기청정능력 실험 ················································································· 30
• 4. 실험 결과 및 고찰 ····················································································· 32
• 4.1 수치해석 공기청정능력 평가 결과 ···························································· 32
• 4.2 실측 공기청정능력 평가 결과 ··································································· 36
• 4.3 수치해석-실측 공기청정능력 평가 결과 비교············································ 39
• 5. 결론 ·········································································································· 41
• 5.1 결론 및 고찰 ····························································································· 41
• 5.2 향후 연구과제 제안 ·················································································· 43
• 참고 문헌 ······································································································· 44
• Abstract ······································································································ 46