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    국내학술지 제목 게시판 내용
    제목(국문) 열사이폰식 태양열 온수시스템의 성능실험
    제목(영문) Performance Tests on a Solar Water Heating System in Thermosyphonic Flow
    저자 김두천 (D.C.Kim ,정회원,육군사관학교 기계공학과 ) ▷공저자네트워크등록하기
    박승덕 (S.D.Park ,정회원,육군사관학교 기계공학과 ) ▷공저자네트워크등록하기
    초록 A small domestic solar water heating system in thermosyphonic flow was tested in Seoul. The system consisted of four flat plate aluminium roll-bond type collectors of total effective area 3.28m2 and a 280l storage tank. It was tilted 52°relative to the horizon. And the collector plate, collector tube and storage tank were equiped with 14 thermocouples.
    As the results , the following facts were found ;
    1) To provide water at 55℃ for a family of four in Seoul, a collector area of 3-4m2 and a storage capacity of 180l-200l are suggested . And this system can supply hot water at above 45℃ day about.
    2) In the late afternoon hours, it might be advantageous to stop the flow in the system as heat losses to the environment increase unduly.
    3) Without any hot water consumption throughout the day, water temperature distributions inside the storage tank was found almost linear. This indicates essentially no mixing inside the storage tank.
    4) In case of a small domestic solar water heating system, it is better to employ a single transparent cover rather than double one
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    저널명 공기조화·냉동공학 ▷관련저널보기
    VOL 9
    PAGE 93-103
    발표년도 1980
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