Gas Turbine output is a strong function of the ambient air temperature with power output dropping by 0.3–0.5 % for every 1°F rise in ambient temperature. This loss in output presents a significant problem to utilities, cogenerators and IPPs when electric demands are high during the hot months. In the petrochemical and process industry, the reduction in output of mechanical drive gas turbines curtails plant output. One way to counter this drop in output is to cool the inlet air. The paper contrasts the traditional evaporative cooling technique with direct inlet fogging. The state of the art relating to fog generation and psychrometrics of inlet fogging are described.
- International Gas Turbine Institute
Inlet Fogging of Gas Turbine Engines: Part A — Theory, Psychrometrics and Fog Generation
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Meher-Homji, CB, & Mee, TR, III. "Inlet Fogging of Gas Turbine Engines: Part A — Theory, Psychrometrics and Fog Generation." Proceedings of the ASME Turbo Expo 2000: Power for Land, Sea, and Air. Volume 3: Heat Transfer; Electric Power; Industrial and Cogeneration. Munich, Germany. May 8–11, 2000. V003T03A008. ASME. https://doi.org/10.1115/2000-GT-0307
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