http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
구돈익(Donik Ku),이진욱(Jinwook Lee),배수진(Soojin bae),김민성(MInsung Kim) 대한설비공학회 2021 대한설비공학회 학술발표대회논문집 Vol.2021 No.6
Research on membrane heat pumps is being conducted as a high percentage of energy consumed in buildings is consumed for cooling and demand is expected to increase in the future. In this study, the performance of W-VMD with membranes installed on both inlet and outlet of compressor is calculated according to selectivity. Compressor outlet pressure continues to increase as air permeate through the membrane to the outlet of the compressor, and when the pressure reaches the marginal compression ratio, the process of returning it to its initial state using a vacuum pump continues the process of removing the sensible heat. The COP of W-VMD in these processes was transient and the average COP was calculated. And it was calculated by varying selectivity because it was affected by the amount of air permeated through the membrane. The average COP of W-VMD increased with increasing selectivity as a result of the calculation.
이상적 멤브레인 진공 제습 시스템의 이론적 최대 제습 성능 연구
구돈익(Donik Ku),배수진(Soojin bae),정민규(Minkyu Jung),김민성(MInsung Kim) 대한설비공학회 2022 대한설비공학회 학술발표대회논문집 Vol.2022 No.6
As a non-vapor compression air conditioning system to overcome the disadvantages of the vapor compression refrigeration system, research on the membrane heat pump (MHP) is active. MHP allows efficient air conditioning by separating the sensible heat removal process and the latent heat removal process, and removes latent heat through a membrane-based vacuum dehumidification system (MVD) consisting of a membrane mass exchanger and a vacuum compressor. In this study, to define the theoretical maximum dehumidification COP of W-MVD and C-MVD with high performance among MVDs of various structures, the dehumidification COP for the ideal open cycle without irreversibility is defined and verified through Exergy analysis and compressor consumption model.
이진욱(Jinwook Lee),구돈익(Donik Ku),배수진(Soojin Bae),김민성(MInsung Kim) 대한설비공학회 2021 대한설비공학회 학술발표대회논문집 Vol.2021 No.6
New technologies on HVAC industries are required to fulfill upcoming energy crisis. As a part of these activities, research on membrane heat pumps is being conducted as a high percentage of energy consumed in buildings is consumed for cooling and demand is expected to increase in the future. Therefore, it is necessary to develop innovative technologies that can replace the conventional vapor compression cycle. A membrane heat pump can be one solution and vacuum membrane dehumidification is the main key of this device. In this paper, characteristics of vacuum membrane dehumidification (VMD) systems are introduced and dehumidification performance of each typical VMD systems are simulated thermodynamically. After this, results are compared and discussed in depth.