주거용 액체식 제습냉방 시스템의 에너지 절감 효과 분석Energy Performance of a Heat Pump-driven Liquid Desiccant System in an Apartment Building
- Other Titles
- Energy Performance of a Heat Pump-driven Liquid Desiccant System in an Apartment Building
- Authors
- 이재희; 동혜원; 고진영; 이수진; 정재원
- Issue Date
- Jun-2020
- Publisher
- 대한설비공학회
- Keywords
- Heat pump; Liquid desiccant system; Energy Simulation; Apartment building; 히트펌프; 액체식 제습시스템; 에너지 시 뮬레이션; 공동 주택
- Citation
- 대한설비공학회 2020 하계학술발표대회 논문집, pp.877 - 880
- Indexed
- OTHER
- Journal Title
- 대한설비공학회 2020 하계학술발표대회 논문집
- Start Page
- 877
- End Page
- 880
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/145496
- Abstract
- The purpose of this paper is to analyze the operating energy consumption of a heat pump driven liquid desiccant (HPLD) air conditioning system compared with a conventional air conditioning system in an apartment building. HPLD system design and operating logic were suggested to apply in an apartment building. The HPLD system is composed of a liquid desiccant (LD) system and a heat pump (HP) system. The evaporator of the HP system cools liquid desiccant solution of absorber for dehumidifying the process air and then the dried process air passed the absorber of the LD system is cooled by auxiliary evaporator of HP system to meet the target supply air conditions. The condenser of the HP system heats regenerator liquid desiccant solution to maintain the solution concentration for dehumidification performance. The conventional air conditioning system consists of an air source electric heat pump (EHP) system and an energy recovery ventilator (ERV). The results showed that the proposed HPLD system reduced 10% of the operating energy consumption because it provides decoupled control of temperature and humidity of the process air avoiding condensation dehumidification and reheating load.
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