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Methodology to determine the appropriate amount of excess air for the operation of a gas turbine in a wet environment

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  • Lugo-Leyte, R.
  • Zamora-Mata, J.M.
  • Toledo-Velázquez, M.
  • Salazar-Pereyra, M.
  • Torres-Aldaco, A.

Abstract

This paper addresses the impact of excess air on turbine inlet temperature, power, and thermal efficiency at different pressure ratios. An explicit relationship is developed to determine the turbine inlet temperature as a function of excess air, pressure ratio and relative humidity. The effect of humidity on the calculation of excess air to achieve a pre-established power output is analyzed and presented. Likewise it is demonstrated that dry air calculations provide a valid upper bound for the performance of a gas turbine under a wet environment.

Suggested Citation

  • Lugo-Leyte, R. & Zamora-Mata, J.M. & Toledo-Velázquez, M. & Salazar-Pereyra, M. & Torres-Aldaco, A., 2010. "Methodology to determine the appropriate amount of excess air for the operation of a gas turbine in a wet environment," Energy, Elsevier, vol. 35(2), pages 550-555.
    • Handle: RePEc:eee:energy:v:35:y:2010:i:2:p:550-555
    DOI: 10.1016/j.energy.2009.10.023
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    References listed on IDEAS

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    1. Arrieta, Felipe R. Ponce & Lora, Electo E. Silva, 2005. "Influence of ambient temperature on combined-cycle power-plant performance," Applied Energy, Elsevier, vol. 80(3), pages 261-272, March.
    2. Hermann Haselbacher, 2005. "Performance of water/steam injected gas turbine power plants consisting of standard gas turbines and turbo expanders," International Journal of Energy Technology and Policy, Inderscience Enterprises Ltd, vol. 3(1/2), pages 12-23.
    3. Bussman, W.R. & Baukal, C.E., 2009. "Ambient condition effects on process heater efficiency," Energy, Elsevier, vol. 34(10), pages 1624-1635.
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