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논문 기본 정보

자료유형
학술저널
저자정보
김경아 (Changwon National Univ.) 박경훈 (Changwon National Univ.)
저널정보
한국생태환경건축학회 KIEAE Journal KIEAE Journal Vol.18 No.4(Wn.92)
발행연도
2018.8
수록면
103 - 111 (9page)
DOI
10.12813/kieae.2018.18.4.103

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초록· 키워드

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Purpose: Recently, cities have suffered thermal problems such as increases in energy consumption and the number of heat-wave-induced patients and tropical nights. To mitigate these kinds of problems, the use of cool roofs with high reflective coating as an effective intercept of solar radiation from the roof in order to reduce building temperature was investigated in this work. Actual buildings in a southern area of Korea were used in this case study. Method: The experimental buildings had similar locations, sizes, and aspects and were divided into those with cool roof application (CR) and no cool roof application (NCR). Temperature of the roof surface, ceiling surface, ceiling air, and room air layers using contact-type thermometers and thermo-hygrometers; thermal emittance; and solar reflectance were measured. Result: First, the thermal emittance, on average, was 0.85 with NCR and 0.95 with CR. Solar reflectance was 0.15 with NCR and 0.15 before and 0.75 after CR. Second, roof surface temperature with CR was 8.4 ℃ (August) and 6.6 ℃ (September) cooler than with NCR. Third, on a weekend in September, maximum ceiling and room air temperatures were 3.7 ℃ and 1.7 ℃ cooler, respectively, with CR than with NCR. Weekend data were compared because air conditioning was not used at that time.

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ABSTRACT
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2. 연구방법
3. 연구결과 및 고찰
4. 결론
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UCI(KEPA) : I410-ECN-0101-2018-610-003400050