한국수소및신에너지학회논문집 (Transactions of the Korean hydrogen and new energy society)

  • 제26권3호
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  • Pages.278-286
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  • 2015
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  • 1738-7264(pISSN)
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  • 2288-7407(eISSN)
한국수소및신에너지학회 (The Korean Hydrogen and New Energy Society)
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재생 유기랭킨사이클을 이용한 직렬 열병합 발전 시스템의 열역학적 성능 특성

Thermodynamic Performance Analysis of a Cogeneration System in Series Circuit Using Regenerative ORC

  • 김경훈 (금오공과대학교 기계공학과) ;
  • 박배덕 (금오공과대학교 대학원) ;
  • 김만회 (경북대학교 기계공학부)
  • KIM, KYOUNG HOON (Department of Mechanical Engineering, Kumoh National Institute of Technology) ;
  • PARK, BAE DUCK (Graduate School of Kumoh National Institute of Technology) ;
  • KIM, MAN-HOE (School of Mechanical Engineering, Kyungpook National University)
  • 투고 : 2015.05.08
  • 심사 : 2015.06.30
  • 발행 : 2015.06.30
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초록

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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참고문헌

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