저등급 열원으로 구동되는 병렬 열병합 발전시스템의 엑서지와 엔트랜시 성능 특성Exergy and Entransy Performance Characteristics of Cogeneration System in Parallel Circuit Using Low-Grade Heat Source
- Other Titles
- Exergy and Entransy Performance Characteristics of Cogeneration System in Parallel Circuit Using Low-Grade Heat Source
- Authors
- 김경훈; 김경진
- Issue Date
- Jan-2021
- Publisher
- 한국수소및신에너지학회
- Keywords
- 열병합; 유기 랭킨 사이클; 저등급 열원; 엑서지; 엔트랜시; Combined heat and power; Organic Rankine cycle; Low-grade heat source; Exergy; Entransy
- Citation
- 한국수소및신에너지학회논문집, v.32, no.1, pp 77 - 85
- Pages
- 9
- Journal Title
- 한국수소및신에너지학회논문집
- Volume
- 32
- Number
- 1
- Start Page
- 77
- End Page
- 85
- URI
- https://scholarworks.bwise.kr/kumoh/handle/2020.sw.kumoh/25201
- ISSN
- 1738-7264
- Abstract
- In this paper, entransy analysis is carried out for combined heat and power (CHP) generation system driven by low-grade heat source compared with energy and exergy analyses. The system consists of an organic Rankine cycle (ORC) and an additional process heater in a parallel circuit. Special attention is paid to the effects of the source temperature, turbine inlet pressure, and the working fluid on the thermodynamic performance of the system. Results showed that the work efficiency of entransy is higher than that of energy but lower than that of exergy, wheress the process heat efficiency of entransy is lower than that of energy but higher than that of exergy. Entrancy analysis showed the potential to complement the exergy analysis in the optimal design of the energy system.
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Collections - School of Mechanical System Engineering > 1. Journal Articles
- Department of Mechanical Engineering > 1. Journal Articles
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