### Power Turbine - an overview | ScienceDirect Topics

At a power turbine of 70% speed, which corresponds to a power turbine 2100 RPM, the power output decreases by about 11%, hence illustrating the importance of the power turbine performance. At high power turbine speeds, there is little variation of power turbine efficiency with the power turbine non-dimensional speed, thus resulting in a relatively flat power curve when operating at these speeds.

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