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습냉매를 적용한 증기-증기 이젝터용 OTEC 시스템의 성능비교The performance comparison of vapor-vapor ejector OTEC system using wet refrigerants
- Other Titles
- The performance comparison of vapor-vapor ejector OTEC system using wet refrigerants
- Issue Date
- 2014
- Publisher
- 한국태양에너지학회
- Keywords
- 해양온도차 발전시스템(Ocean Thermal Energy Conversion(OTEC)); 효율(Efficiency); 증기-증기 이젝터(Vapor-vapor ejector); 작동유체(Working fluid); 성능 비교(Performance comparison); 습냉매(Wet refrigerant)
- Citation
- 한국태양에너지학회 논문집, v.34, no.4, pp 51 - 56
- Pages
- 6
- Journal Title
- 한국태양에너지학회 논문집
- Volume
- 34
- Number
- 4
- Start Page
- 51
- End Page
- 56
- ISSN
- 1598-6411
- Abstract
- In this paper, OTEC(Ocean Thermal Energy Conversion) system with vapor-vapor ejector is newly proposed. And 6 wet refrigerants are applied into the proposed OTEC system for performance comparison. The results of comparison performance are as follows. In the view of system efficiency, R32/R744(90:10) has the highest efficiency among the 6 refrigerants. In case of evaporation capacity, pump work and mass flow rate of working fluid, R744, R717 and R717 is lowest value, respectively. As this results, the vapor-vapor ejector is able to increase the efficiency of system. And It is necessary to select the optimized working fluid considering environmental and economic factors.
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Related Researcher
- Kim, Hyeon Ju
- 친환경해양개발연구본부 (해수에너지연구센터)