Understanding Gas Turbine Performance© by Jim Noordermeer

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The performance characteristics of a gas turbine engine or Gas Turbine Generator package (GTG) depends upon the type and model of engine being examined, the location at which it will be installed, the ambient conditions under which it will operate, and the fuel(s) and NOx suppression methods which will be utilized.

This paper is a primer presenting an explanation of typical gas turbine and GTG package rating methods and why and how they are corrected. It provides an accurate real-life picture of the performance envelope of a unit for the examiner's evaluation.