대한기계학회논문집B (Transactions of the Korean Society of Mechanical Engineers B)

  • 제40권10호
  • /
  • Pages.673-679
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  • 2016
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  • 1226-4881(pISSN)
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  • 2288-5324(eISSN)
대한기계학회 (The Korean Society of Mechanical Engineers)
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초임계 이산화탄소 이중 브레이튼 사이클 개발 연구

Research on the Development of the Supercritical CO2 Dual Brayton Cycle

  • 백영진 (한국에너지기술연구원 열에너지변환연구실) ;
  • 나선익 (한국에너지기술연구원 열에너지변환연구실) ;
  • 조준현 (한국에너지기술연구원 열에너지변환연구실) ;
  • 신형기 (한국에너지기술연구원 열에너지변환연구실) ;
  • 이길봉 (한국에너지기술연구원 열에너지변환연구실)
  • Baik, Young-Jin (Thermal Energy Conversion Laboratory, Korea Institute of Energy Research (KIER)) ;
  • Na, Sun Ik (Thermal Energy Conversion Laboratory, Korea Institute of Energy Research (KIER)) ;
  • Cho, Junhyun (Thermal Energy Conversion Laboratory, Korea Institute of Energy Research (KIER)) ;
  • Shin, Hyung-Ki (Thermal Energy Conversion Laboratory, Korea Institute of Energy Research (KIER)) ;
  • Lee, Gilbong (Thermal Energy Conversion Laboratory, Korea Institute of Energy Research (KIER))
  • 투고 : 2016.01.29
  • 심사 : 2016.07.26
  • 발행 : 2016.10.01
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초록

초임계 이산화탄소 사이클은 소형화 및 효율 향상에 대한 잠재력 때문에 최근 관심이 증가하고 있으며, 원자력, 태양열(CSP) 및 화력 발전 분야에서 활발히 연구되고 있다. 이와 관련하여, 본 논문에서는 한국에너지기술연구원(KIER)의 초임계 이산화탄소 동력 사이클 연구 내용과 현황을 소개하였다. 1 단계 연구에서는 단순 초임계 브레이튼 사이클 실험 루프를 제작 및 시운전 하였으며, 현재 진행중인 2 단계 연구에서는 두개의 터빈과 두개의 재생기를 갖는 초임계 이중(dual) 브레이튼 사이클을 설계 및 제작하고 있다. 최적 설계를 위한 초임계 이중 브레이튼 사이클 모델링 및 시뮬레이션 결과, 본 연구에서 고려한 조건하에서, 사이클의 순출력을 극대화시키는 설계 변수가 존재함을 확인하였다.

Because of the growing interest in supercritical carbon dioxide power cycle technology owing to its potential enhancement in compactness and efficiency, supercritical carbon dioxide cycles have been studied in the fields of nuclear power, concentrated solar power (CSP), and fossil fuel power generation. This study introduces the current status of the research project on the supercritical carbon dioxide power cycle by Korea Institute of Energy Research (KIER). During the first phase of the project, the un-recuperated supercritical Brayton cycle test loop was built and tested. In phase two, researchers are designing and building a supercritical carbon dioxide dual Brayton cycle, which utilizes two turbines and two recuperators. Under the simulation condition considered in this study, it was confirmed that the design parameter has an optimal value for maximizing the net power in the supercritical carbon dioxide dual cycle.

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참고문헌

  1. Wright, S. A., Radel, R. F., Vernon, M. E., Rochau, G. E. and Pickard P. S., 2010, Operation and Analysis of a Supercritical $CO_2$ Brayton Cycle, Sandia National Laboratories, Available at: (Accessed in Jan. 2016) http://prod.sandia.gov/techlib/access-control.cgi/2010/100171.pdf
  2. Convoy, T., Wright, S. A., Pasch, J., Fleming, D., Rochau, G. and Fuller, R., 2012, "Performance Characteristics of an Operating Supercritical $CO_2$ Brayton Cycle," ASME Journal of Engineering for Gas Turbines and Power, Vol. 134, 111703. https://doi.org/10.1115/1.4007199
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