• Title/Summary/Keyword: 습식 가스터빈

Search Result 3, Processing Time 0.017 seconds

Exergy Analysis of Regenerative Wet-Compression Gas-Turbine Cycles (습식 압축을 채용한 재생 가스터빈 사이클의 엑서지 해석)

  • Kim, Kyoung-Hoon;Kim, Se-Woong;Ko, Hyung-Jong
    • Journal of Energy Engineering
    • /
    • v.18 no.2
    • /
    • pp.93-100
    • /
    • 2009
  • An exergy analysis is carried out for the regenerative wet-compression Brayton cycle which has a potential of enhanced thermal efficiency owing to the reduced compression power consumption and the recuperation of exhaust energy. Using the analysis model, the effects of pressure ratio and water injection ratio are investigated on the exergy efficiency of system, exergy destruction ratio for each component of the system, and exergy loss ratio due to exhaust gas. The results of computation for the typical cases show that the regenerative wet-compression gas turbine cycle can make a notable enhancement of exergy efficiency. The injection of water results in a decrease of exergy loss of exhaust gas and an increase of net power output.

Exergy Analysis of Regenerative Steam-Injection Gas Turbine Systems (증기분사 재생 가스터빈 시스템의 엑서지 해석)

  • Kim, Kyoung-Hoon;Jung, Young-Guan;Han, Chul-Ho
    • Journal of the Korean Society of Propulsion Engineers
    • /
    • v.13 no.4
    • /
    • pp.45-54
    • /
    • 2009
  • An exergy analysis is carried out for the regenerative steam-injection gas turbine systems which has a potential of enhanced thermal efficiency and specific power. Using the analysis model in the view of the second law of thermodynamics, the effects of pressure ratio, steam injection ratio, ambient temperature and turbine inlet temperature are investigated on the performance of the system such as exergetic efficiency, heat recovery ratio of heat exchangers, exergy destruction, loss ratios, and on the optimal conditions for maximum exergy efficiency. The results of computation show that the regenerative steam-injection gas turbine system can make a notable enhancement of exergy efficiency and reduce irreversibilities of the system.

Study on Performance and Optimal Operating Conditions of Regenerative Steam-Injection Gas Turbine Systems (증기분사 재생 가스터빈 시스템의 성능 및 최적 운전조건에 관한 연구)

  • Kim, Kyoung-Hoon;Kim, Dong-Joo;Park, Sang-Hee;Oh, Man-Soo;Kim, Dong-Myoung
    • Journal of the Korean Society of Propulsion Engineers
    • /
    • v.14 no.1
    • /
    • pp.29-39
    • /
    • 2010
  • The system performance of the regenerative gas-turbine cycle with the steam injection into the combustor has been studied through the thermodynamic cyclic analysis. The effects of the pressure ratio, the steam injection ratio, the ambient temperature, and the turbine inlet temperature are investigated on the thermal efficiency, the fuel consumption, and the specific power as well as the operating conditions for the maximum thermal efficiency of the system. The results of the present analysis find that the use of steam injection in the regenerative gas-turbine system can greatly enhance the thermal efficiency and the specific power of the system.