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Thermoeconomic impact on combined cycle performance of advanced blade cooling systems

Author

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  • Ghigliazza, Francesco
  • Traverso, Alberto
  • Massardo, Aristide Fausto

Abstract

In this work the thermoeconomic features of two different combined cycles using air "open loop" and steam "closed loop" cooled gas turbines are presented and compared in depth. In order to properly estimate both thermodynamic and thermoeconomic performance of the different combined cycles an analytical model of the blade cooling system has been developed in details and outlined in the paper. Internal Thermoeconomic functional analysis is not performed here, as only economic results are shown and discussed. The blade cooling detailed model, originally developed by TPG researchers, has been integrated into the web based modular code WTEMP, already validated for GT based cycles, developed in the last ten years by TPG. It is shown that the closed loop blade cooling configuration has the greatest potential in terms of thermodynamic efficiency and economic competitivity in the mid-term.

Suggested Citation

  • Ghigliazza, Francesco & Traverso, Alberto & Massardo, Aristide Fausto, 2009. "Thermoeconomic impact on combined cycle performance of advanced blade cooling systems," Applied Energy, Elsevier, vol. 86(10), pages 2130-2140, October.
    • Handle: RePEc:eee:appene:v:86:y:2009:i:10:p:2130-2140
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    Citations

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    Cited by:

    1. Najjar, Yousef S.H. & Al-Absi, Suhayb, 2013. "Thermoeconomic optimization for green multi-shaft gas turbine engines," Energy, Elsevier, vol. 56(C), pages 39-45.
    2. Hamakhan, I.A. & Korakianitis, T., 2010. "Aerodynamic performance effects of leading-edge geometry in gas-turbine blades," Applied Energy, Elsevier, vol. 87(5), pages 1591-1601, May.
    3. Kler, Alexander & Zakharov, Yuri, 2017. "Joint optimization of power plant cycle parameters and gas turbine flow path parameters with blade airfoils represented by cubic splines," Energy, Elsevier, vol. 137(C), pages 183-192.

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