외기전담시스템과 제습증발냉각 환기시스템의 공동주택 중앙환기에 대한 적용성 분석Applicability analysis of a liquid desiccant assisted dedicated outdoor air system as a central ventilation system
- Other Titles
- Applicability analysis of a liquid desiccant assisted dedicated outdoor air system as a central ventilation system
- Authors
- 김범준; 박준영; 윤수열; 정재원
- Issue Date
- Jun-2019
- Publisher
- (사)대한설비공학회
- Keywords
- Organic Rankine cycle; Central ventilation system; Liquid desiccant; Dedicated outdoor air system; 유기 랭킨 사이클; 중앙환기시스템; 액체식 제습 시스템; 외기전담 시스템
- Citation
- 대한설비공학회 2019 하계학술발표대회 논문집, pp.260 - 263
- Indexed
- OTHER
- Journal Title
- 대한설비공학회 2019 하계학술발표대회 논문집
- Start Page
- 260
- End Page
- 263
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/147529
- Abstract
- This study investigated the applicability of a liquid desiccant assisted dedicated outdoor air system (LDADOAS) with organic Rankine cycle (ORC) to high-rise apartment building as a centralized ventilation system. A existing DOAS is used for reference system to compare the energy benefit analysis. The LDADOAS is consisted of liquid desiccant system and indirect evaporative cooler, and uses 100% of outdoor air as ventilation. A Novec 649 and district heat source was used as a working refrigerant and heat source, respectively. A electrical power produced by the ORC is used to a common electricity in apartment building. A waste heat source from the ORC is used to solution heating at the regenerator in the LDADOAS. The result showed that the LDADOAS with ORC saved 63.6% of primary energy compare with reference DOAS despite of three times of energy demands. Consequently, the proposed system has energy benefit than reference ventilation system because of the use of the waste heat source from the ORC.
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