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논문 기본 정보

자료유형
학술저널
저자정보
박지호 (부산대학교) 강율호 (부산대학교) 신동현 (부산대학교) 성효경 (부산대학교) 안영철 (부산대학교)
저널정보
대한설비공학회 설비공학논문집 설비공학논문집 제37권 제4호
발행연도
2025.4
수록면
159 - 166 (8page)
DOI
10.6110/KJACR.2025.37.4.159

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초록· 키워드

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This study analyzed the pressure drop characteristics of finned-tube heat exchangers, a key component of EHP systems, during repeated cycles that included fouling acceleration, cleaning, and air-blowing drying. Each cycle consisted of 60 minutes of fouling acceleration under 1.5 m/s conditions, followed by 10 minutes of cleaning and 30 minutes of drying, and was repeated three times. The pressure drop characteristics were compared based on fin spacing and fin shape. The results indicated that for a fin spacing of 16 FPI, which is relatively narrow, the pressure drop increased more significantly during fouling acceleration with each cycle, and the recovery rate of the pressure drop after cleaning was lower. While the pressure drop for louvered fin heat exchangers remained elevated during the initial phase of fouling acceleration, corrugated fin heat exchangers exhibited a sharp increase in pressure drop near the end of this phase. Additionally, the rate of pressure drop increase after cleaning was higher for louvered fin heat exchangers. Regardless of fin spacing and shape, it was observed that as the cycles were repeated, residual particles on the surface formed aggregates, leading to a gradual increase in pressure drop, which was particularly pronounced during the third cycle.

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Abstract
1. 서론
2. 선행연구 분석
3. 연구방법
4. 실험결과
5. 결론
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