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용액유량에 따른 플레이트 흡수기의 흡수 열전달 특성 실험
문춘근(C.G.Moon),방기석(G.S.Bang),김재돌(J.D.Kim),윤정인(J.I.Yoon) 대한기계학회 2003 대한기계학회 춘추학술대회 Vol.2003 No.4
An experimental study of the absorption process of water vapor into a lithium bromide solution was performed. for the purpose of development of high performance absorption chiller/hater utilizing lithium bromide solution as working fluid, it is the most effective to improve the performance of absorber with the largest heat transfer area of the four heat exchangers. The experimental apparatus was composed of a plate type absorber which can increase the heat exchange area per unit volume to investigate more detail characteristics instead of the conventional type, horizontal tube bundle type. The size of plate absorbers were made for 0.4m×0.6m and the design object of a refrigeration capacity was 1RT. In this experiment, three kind plate absorbers which were flat plate, dimple plate and groove plate were used. The results were less than the design object values, that is, the refrigeration capacity was about 0.3~0.4RT and the overall heat transfer coefficient was 500~600 kcal/m²h℃ at the standard conditions.