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논문 기본 정보

자료유형
학술저널
저자정보
정용호 (청운대학교) 손장열 (한양대학교)
저널정보
한국건축친환경설비학회 한국건축친환경설비학회 논문집 한국건축친환경설비학회 논문집 제3권 제3호
발행연도
2009.9
수록면
123 - 133 (11page)

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초록· 키워드

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District Heating System(DHS) is one of the most excellent systems in terms of energy saving and environmental protection. The current indirect connection in Korea is applied to the case of big scale, it brings about heat loss in its network. Moreover, high-priced heat exchanger facilities are required. Direct connection has some advantages such as energy saving and low initial cost compared with indirect connection since heat exchange is not required in machine room. However, direct connection is not economical for heavy load and it is difficult to keep the temperature of supply water low. When direct connection is applied, it is the most important to supply stable heat source to consumers. Therefore, the objective of this study is to offer the fundamental data for applying the direct connection in district heating to Korea by investigating the pressure variation based on supply condition and stability for consumers from the previous studies. The results of this study are follows; I) In case the supply pressure is 6bar, direct connection is feasible for 5-floor-apartments and detached houses without booster pump by the analysis of pressure variation at consumer facilities. 2) 5~6bar was required in 10-floor-apartments for direct connection and in case of 15-floor apartments, 6bar was necessary to prevent minus pressure without booster pump. 3) In case of 20-floor-apartments, supply pressure of 6bar could not be applied since minus pressure occurred in the top of the apartments.

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Abstract
1. 서론
2. 간접공급방식과 직접공급방식
3. 직접공급방식 적용조건 및 영향인자 검토
4. 건물내 압력분포 분석 방법
5. 지역난방수의 적정 압력 기준 검토
5. 결론
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