C101 INLET FOGGING FOR GAS TURBINE POWER AUGMENTATION A STATE-OF-THE-ART REVIEW

概要

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Ambient temperature strongly influences the gas turbine performance with power output dropping by approximately 0.54% to 0.9% for every 1^0C of temperature rise. There is also a significant increase in the gas turbine heat rate value as the ambient temperature rises, resulting in an increased operating cost. As the increase in power demand often coincides with high ambient temperatures, means for power augmentation during the hot part of the day become important for independent power producers, cogenerators and electric utilities. Evaporative and overspray fogging seem to be the simplest, demonstrated and cost effective approach for recovering the lost gas turbine performance. A comprehensive review on the current understanding, analytical, experimental and field experience, of the high-pressure inlet fogging technology for gas turbine applications is presented. Outstanding issues not fully understood or explored are also discussed.
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