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논문 기본 정보

자료유형
학술저널
저자정보
김철환 (인천대학교) 김내현 (인천대학교)
저널정보
대한설비공학회 설비공학논문집 설비공학논문집 제30권 제6호
발행연도
2018.6
수록면
258 - 265 (8page)
DOI
10.6110/KJACR.2018.30.6.258

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초록· 키워드

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Most of the previously-published studies on heat and mass transfer in an enthalpy exchanger have been conducted on enthalpy exchangers with cross flow configurations. It is anticipated that increased heat and mass transfer is possible in an enthalpy exchanger employing a diagonal flow configuration. In this study, four diagonal enthalpy exchanger samples having different diagonal angles (90°, 60°, 45°, and 30°) were made, and their corresponding heat and mass transfer performances were obtained through experimentation. Results showed that all temperature efficiencies increased with decreases in the diagonal angle. The reason for this may be attributed to the flow configuration, which approaches a counter flow as the diagonal angle decreases. Compared to the pure cross flow element, temperature efficiency increased by 2.2%, 3.9%, and 5.9% for 60°, 45°, and 30° elements, respectively. The moisture efficiency increased by 4.4%, 7.8%, and 12.6% in the heating condition and by 6.8%, 12.0%, and 19.6% in the cooling condition for 60°, 45°, and 30° elements, respectively. In addition, the moisture efficiencies in the heating condition were higher than those in the cooling condition. The total efficiency increased by 3.0%, 5.2%, and 8.4% in the heating condition and by 3.1%, 5.4%, and 8.6% in the cooling condition for 60°, 45°, and 30° elements, respectively. The pressure drop increased by 30%, 56%, and 102% for 60°, 45°, and 30° elements, respectively. Developed correlations predicted the temperature, moisture efficiency, total efficiency, and pressure drop within ±3%.

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Abstract
1. 서론
2. 전열교환소자 시료
3. 결과 및 고찰
5. 결론
References

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UCI(KEPA) : I410-ECN-0101-2018-553-002250774