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LiBr-H₂O 하이브리드 흡수식 냉온수기의 냉동사이클 성능향상 시뮬레이션 연구
류상범(Sang-Bum Ryu),정상훈(Sang-Hoon Jung),유재성(Jae-Sung Ryu),조성환(Sung-Hwan Cho),남상철(Sang-Chul Nam),곽민수(Min-Su Kwak) 대한설비공학회 2010 대한설비공학회 학술발표대회논문집 Vol.2010 No.6
Energy conservation is becoming more important for global environmental protection to ease Global Warming. New simple methods of more efficiently using the waste heat of gas co-generation systems for refrigeration are required. In this paper we proposed a effective method by high temperature waste heat below 500℃ for refrigeration in the LiBr-H₂O absorption heater/chiller using Aspen-Plus simulation analysis. The high temperature waste heat is fed into the weak solution line of the LiBr-H₂O absorption heater/chiller directly via an auxiliary heat exchanger. The purpose of this study is to save energy and make high COP of refrigerator in heating the solution by waste heat exchanger connect with the pipe to high-temperature generator(HTG) at the pipe to high-temperature exchanger(HHX).
LiBr-H₂O 하이브리드 흡수식 냉온수기의 열원종류에 따른 제어방법의 이론적 연구
류상범(Sang-Bum Ryu),한종욱(Jong-Wook Han),조성환(Sung-Hwan Cho),홍성기(Seong-ki Hong),남상철(Sang-Chul Nam) 대한설비공학회 2011 대한설비공학회 학술발표대회논문집 Vol.2011 No.7
Energy conservation is becoming more important for global environmental protection to ease Global Warming. New simple methods of more efficiently using the waste heat of gas co-generation systems for refrigeration are required. In this paper we proposed a effective method by high temperature waste heat below 500℃ for refrigeration in the LiBr-H₂O absorption heater/chiller using Aspen-Plus simulation analysis. This study suggested the control range about the exhaust hot water and steam for hybrid absorption heater/chiller at high-temperature generator(HTG) and high-temperature exchanger(HHX).
탄소성형체를 이용한 실내 공기질 개선 및 난방효율 시뮬레이션
류상범(Sang-Bum Ryu),신일산(Il-San Sin),이은희(eun-hee Lee),이경빈(Gyeng-Bin Lee),조성환(Sung-Hwan Cho) 대한설비공학회 2012 대한설비공학회 학술발표대회논문집 Vol.2012 No.6
As a result of global waming which makes down the cold atmosphere from Arctic and decreasing temperature of middle lattitude area, the power consuming ratio has been increased and the in-door air quality is required to be improved by increased heating power consumption. This study processes the simulation that improves in-door air and increases heating efficiency using carbon compact. As a result of simulation: 1) we can recognize that the diversification ratio affects to the heating efficiency with the result of Fluent radiation heating modelling, and it is possible to improve the heating efficiency of the system using amorphous carbon compact. 2) It is able to improve the quality of air (deodorization ratio and antimirobial) using carbon compact, and we can check the functional feature of amorphous carbon compact in the certified institute. 3) Through further study after the radiation heating load analysis, in this study, we need a study about the in-door air quality improvement and heating efficiency by realization of radiation heating using real carbon compact.
LiBr-H2O 하이브리드 흡수식 냉온수기의 열원의 활용방안에 대한 이론적 연구
이민환(Min-Hwan Lee),홍성기(Seong-ki Hong),조성환(Sung-Hwan Cho),류상범(Sang-Bum Ryu) 대한설비공학회 2012 대한설비공학회 학술발표대회논문집 Vol.2012 No.6
Energy conservation is becoming more important for global environmental protection to ease Global Warming. New simple methods of more efficiently using the waste heat of gas co-generation systems for refrigeration are required. In this paper we proposed a effective method by high temperature waste heat below 500℃ for refrigeration in the LiBr-H2O absorption heater/chiller using Aspen-Plus simulation analysis. The high temperature waste heat is fed into the weak solution line of the LiBr-H2O absorption heater/chiller directly via an auxiliary heat exchanger. The purpose of this study is to find the maximum COP(Coefficient of Performance) of hybrid absorption chiller and available operating conditions and use it for control system .