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The Korean Hydrogen and New Energy Society (한국수소및신에너지학회)
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Thermodynamic Performance Analysis of Regenerative Organic Rankine Cycle using Turbine Bleeding

터빈 추기를 이용한 재생 유기랭킨사이클의 열역학적 성능 해석

  • KIM, KYOUNG HOON (Department of Mechanical Engineering, Kumoh National Institute of Technology) ;
  • HWANG, SEON (School of Mechanical Engineering, Yongnam University) ;
  • KIM, MAN-HOE (School of Mechanical Engineering, Kyungpook National University)
  • 김경훈 (금오공과대학교 기계공학과) ;
  • 황선 (영남대학교 기계공학부) ;
  • 김만회 (경북대학교 기계공학부)
  • Received : 2015.07.13
  • Accepted : 2015.08.30
  • Published : 2015.08.30
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Abstract

This paper presents a thermodynamic performance analysis of regenerative organic Rankine cycle (ORC) using turbine bleeding to utilize low-grade finite thermal energy. Refrigerant R245fa was selected as the working fluid. Special attention is paid to the effects of the turbine bleeding pressure and the turbine bleed fraction on the thermodynamic performance of the system such as net power production and thermal efficiency. Results show that the thermal efficiency has an optimum value with respect to the turbine bleeding pressure and the net power production is lower than the basic ORC while the thermal efficiency is higher.

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References

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