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유기랭킨사이클과 암모니아 - 물 랭킨사이클의 열역학적 성능의 비교 해석Comparative Thermodynamic Analysis of Organic Rankine Cycle and Ammonia - Water Rankine Cycle
- Other Titles
- Comparative Thermodynamic Analysis of Organic Rankine Cycle and Ammonia - Water Rankine Cycle
- Issue Date
- 2016
- Publisher
- 한국수소및신에너지학회
- Keywords
- Organic Rankine cycle(유기랭킨사이클); Ammonia-water Rankine cycle(암모니아-물 랭킨사이클); Low-grade source(저등급 열원); Working fluid(작동유체); Thermal efficiency(열효율)
- Citation
- 한국수소및신에너지학회논문집, v.27, no.5, pp 597 - 603
- Pages
- 7
- Journal Title
- 한국수소및신에너지학회논문집
- Volume
- 27
- Number
- 5
- Start Page
- 597
- End Page
- 603
- ISSN
- 1738-7264
- Abstract
- In this paper a comparative thermodynamics analysis is carried out for organic Rankine cycle (ORC)and ammonia-water Rankine cycle (AWRC) utilizing low-grade heat sources. Effects of the working fluid, ammoniaconcentration, and turbine inlet pressure are systematically investigated on the system performance such as massflow rate, pressure ratio, turbine-exit volume flow, and net power production as well as the thermal efficiency. Results show that ORC with a proper working fluid shows higher thermal efficiency than AWRC, however, AWRCshows lower mass flow rate of working fluid and lower pressure ratio of expander than ORC.
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