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재생 유기랭킨사이클을 이용한 직렬 열병합 발전 시스템의 열역학적 성능 특성Thermodynamic Performance Analysis of a Cogeneration System in Series Circuit Using Regenerative ORC
- Other Titles
- Thermodynamic Performance Analysis of a Cogeneration System in Series Circuit Using Regenerative ORC
- Issue Date
- 2015
- Publisher
- 한국수소및신에너지학회
- Keywords
- ORC(유기랭킨사이클); Combined heat and power(CHP; 열병합발전); Series circuit(직렬연결); Working fluid(작동유체); Thermodynamic performance(열역학적 성능)
- Citation
- 한국수소및신에너지학회논문집, v.26, no.3, pp 278 - 286
- Pages
- 9
- Journal Title
- 한국수소및신에너지학회논문집
- Volume
- 26
- Number
- 3
- Start Page
- 278
- End Page
- 286
- ISSN
- 1738-7264
- Abstract
- This paper presents the analytical results of the thermodynamic performance characteristics for a cogeneration system using regenerative organic Rankine cycle (ORC) driven by low-grade heat source. The combined heat and power cogeneration system consists of a regenerative superheated ORC and an additional process heater in a series circuit. Eight working fluids of R134a, R152a, propane, isobutane, butane, R245fa, R123, and isopentane are considered for the analysis. Special attention is paid to the effect of turbine inlet pressure on the system performance such as thermal input, net power and useful heat productions, electrical, thermal, and system efficiencies. The results show a significant effect of the turbine inlet pressure and selection of working fluid on the thermodynamic performance of the system.
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