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

The Korean Hydrogen and New Energy Society (한국수소및신에너지학회)
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Performance Analysis of a Combined Cycle of Kalina and Absorption Refrigeration for Recovery of Low-Temperature Heat Source

저온 열원의 활용을 위한 칼리나/흡수냉동 복합사이클의 성능 해석

  • KIM, KYOUNG HOON (Department of Mechanical Engineering, Kumoh National Institute of Technology) ;
  • KO, HYUNG JONG (Department of Mechanical Engineering, Kumoh National Institute of Technology) ;
  • JUNG, YOUNG GUAN (Department of Mechanical Engineering, Kumoh National Institute of Technology)
  • 김경훈 (금오공과대학교 기계공학과) ;
  • 고형종 (금오공과대학교 기계공학과) ;
  • 정영관 (금오공과대학교 기계공학과)
  • Received : 2018.09.27
  • Accepted : 2018.10.30
  • Published : 2018.10.30
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Abstract

Recently, the power and refrigeration cogeneration based on Kalina cycle has attracted much attention for more efficient utilization of low-grade energy. This study presents a thermodynamic performance analysis of a cogeneration cycle of power and absorption refrigeration based on Kalina cycle. The cycle combines Kalina cycle (KCS-11) and absorption cycles by adding a condenser and an evaporator between turbine and absorber. The effects of ammonia mass fraction and separation pressure were investigated on the system performance of the system. Results showed that the energy utilization of the system could be greatly improved compared to the basic Kalina cycle.

Keywords

References

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