DOI QR코드

DOI QR Code

저온열원의 특성에 따른 ORC 성능해석 최적화 연구

Optimization Study on the Performance Analysis of Organic Rankine Cycle for Characteristics of Low Temperature Heat Sources

  • 엄홍선 (한남대학교 대학원) ;
  • 윤천석 (한남대학교 기계공학과) ;
  • 김영민 (한국기계연구원 그린동력연구실) ;
  • 신동길 (한국기계연구원 그린동력연구실) ;
  • 김창기 (한국기계연구원 그린동력연구실)
  • 투고 : 2011.10.19
  • 심사 : 2011.11.22
  • 발행 : 2012.01.10

초록

Optimization procedures of performance analysis for ORC(Organic Rankine Cycle) system are established to the characteristics of low temperature heat sources such as open-type and closed-type. Effective heat recovery and heat extraction related to maximum power of the cycle as well as heat quality and thermal efficiency must be considered in the case of the open-type low temperature heat source. On the other hand, in the case of the closed-type low temperature heat source, only thermal efficiency is important due to constant heat input. In this study, thermal efficiency and exergy efficiency representing a level of close to Carnot cycle are studied, as useful index for the optimization of the ORC system. To validate the results of cycle analysis, those are compared with appropriate experimental data of ORC system as a thermal efficiency point of view.

키워드

참고문헌

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피인용 문헌

  1. Performance Analysis of Two-Loop Rankine Cycle for Engine Waste Heat Recovery vol.21, pp.4, 2012, https://doi.org/10.5855/ENERGY.2012.21.4.402
  2. Experimental Study on the Operating Characteristics of the Organic Rankine Cycle vol.25, pp.4, 2013, https://doi.org/10.6110/KJACR.2013.25.4.208
  3. Experimental Investigation on the Performance of a Scroll Expander for an Organic Rankine Cycle vol.26, pp.4, 2014, https://doi.org/10.6110/KJACR.2014.26.4.158
  4. Performance Analysis of R-134a Rankine Cycle to Apply for a Solar Power Generation System Using Solar Collector Modeling vol.34, pp.3, 2014, https://doi.org/10.7836/kses.2014.34.3.057