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논문 기본 정보

자료유형
학술저널
저자정보
최태규 (경희대학교) 홍희기 (경희대학교)
저널정보
대한설비공학회 설비공학논문집 설비공학논문집 제33권 제8호
발행연도
2021.8
수록면
385 - 394 (10page)
DOI
10.6110/KJACR.2021.33.8.385

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With the declaration of carbon neutrality, Zero Energy Building (ZEB) has attracted interest. Since hot water load is not easy to save, supply through renewable energy is essential for ZEB implementation. In fact, solar energy is the most appropriate renewable energy that can be applied to high-rise buildings, with only the front wall receiving sunlight in each household. A building integrated solar water heater developed for that purpose was mainly of a natural circulation type. There were insufficient experiments and verification of overheating phenomenon about a forced circulation type. In this study, thermal performance of a building integrated forced circulation solar water heater was evaluated through one-year demonstration experiments such as acquired energy, efficiency, solar fraction, and solar utilization. Overheating experiments were also conducted without hot water load for 7 days in August, 2020 when solar radiation was high. During three months of winter when hot water load was high, heat collection efficiency was 43.9% and solar fraction was 57.0%, showing good thermal performance. During overheating tests in summer, the system temperature maintained below the water boiling point, thus ensuring safety.

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Abstract
1. 서론
2. 시스템의 설치 및 실험 방법
3. 결과 및 토의
4. 결론
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