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흡수식 냉동기용 엘리미네이터의 형상 변경에 따른 성능 특성에 관한 연구
이창현(Chang-hyun Lee),이승민(Seung-Min Lee),박찬우(Chan-Woo Park) 대한설비공학회 2016 대한설비공학회 학술발표대회논문집 Vol.2016 No.11
The objective of this paper is characteristics of the shape change of the absorption refrigeration machine Eliminator. Research was conducted to measure pressure drop and coolant carry over to the experimental study on the performance characteristics of the shape change of the absorption refrigeration machine vertical eliminator with five kinds of horizontal eliminator. The experiments were made using the duct size of 320 * 490 acrylic. As the blower works are in acrylic inside it passes wind. In the process, it is measured before and after the pressure difference and the flow rate of refrigerant eliminator. Flow rate of the coolant Eliminator hook number appears much less side. However, it takes the pressure difference shows that the more highly.
냉수, 스팀 동시 발생용 하이브리드 흡수식 히트 펌프의 수치적 해석
이창현(Chang Hyun Lee),홍성주(Sung Joo Hong),김병련(Byung Ryun Kim),김재인(Jae In Kim),이승민(Seong Min Lee),김인관(In Gwan Kim),권오경(Oh Kyung Kwon),박찬우(Chan Woo Park) 대한설비공학회 2018 대한설비공학회 학술발표대회논문집 Vol.2018 No.6
This study was carried out a numerical analysis the hybrid absorption heat pump that simultaneously produces cold water and steam. The hybrid absorption heat pump is a combination of a single-effect absorption chiller and a single-stage absorption heat pump. The heat pump uses 90℃ waste heat from the industry to produce 120℃ steam that can be used in the process and produces 7℃ cooling water at the same time. In this study, numerical simulations were carried out for characteristics of each element and cycle characteristics for each variable under conditions of producing 120 steam and 7 cold water.
제 2종 흡수식 히트펌프의 냉매열교환기 적용에 따른 특성 변화에 관한 연구
이창현(Chang Hyun Lee),윤준성(Jun Seong Yoon),이광표(Gwang Pyo Lee),서양(Yang Seo),김인관(In Gwan Kim),권오경(Oh Kyung Kwon),차동안(Dong An Cha),배경진(Kyung Jin Bae),김민수(Min Su Kim),박찬우(Chan Woo Park) 대한설비공학회 2017 대한설비공학회 학술발표대회논문집 Vol.2017 No.6
This study was carried out a numerical analysis the effects of how to configure refrigerant heat exchanger on the performance of type II absorption heat pump. There are two kinds of heat exchange methods, solution to refrigerant and waste hot water to refrigerant. When the waste hot water is bypassed to the refrigerant heat exchanger, steam mass rates ars increased compared to the standard model. When the solution was bypassed to the refrigerant heat exchanger, steam mass rates are lower than in the case where the waste heat water was used in the refrigerant heat exchanger. Thus, in constructing the refrigerant heat exchanger, it is possible to obtain a higher Steam mass value by using waste water than by using a solution.