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  • Title(Kor)
    칼리나 사이클을 기반으로 하는 동력 및 냉동 복합 사이클의 에너지 및 엑서지 성능 해석
  • Title(Eng)
    Energy and Exergy Analysis of Kalina Based Power and Cooling Combined Cycle
  • Keyword
    Kalina cycle(칼리나 사이클), Power and cooling cogeneration(동력 및 냉동 병합생산), Low-grade heat source(저등급 열원), Ammonia fraction(암모니아 분율), Exergy(엑서지)
  • Author(Kor)
    김경훈⋅정영관⋅고형종†
  • Author(Eng)
    KYOUNG HOON KIM, YOUNG GUAN JUNG, HYUNG JONG KO†
  • Date
    2020-04
  • Attach file
  • Page
    Page. 242~249
  • Abstract(Eng)
  • The Kalina cycle (KC) is considered as one of the most efficient systems for recovery of low grade heat. Recently, Kalina based power and cooling cogeneration cycles (KPCCCs) have been suggested and attracted much attention. This paper presents an energy and exergy analysis of a recently suggested KPCCC with flexible loads. The cycle consists of a KC (KCS-11) and an aqua-ammonia absorption refrigeration cycle. By adjusting the splitting ratios, the cycle can be operated with four modes of pure Kalina cycle, pure absorption cooling cycle, Kalina-cooling parallel cycle, and Kalina-cooling series cycle. The effects of system variables and the operating modes on the energetic and exergetic performances of the system are parametrically investigated. Results show that the system has great potential for efficient utilization of low-grade heat source by adjusting loads of power and cooling.