Method for enhancing power of a gas turbine engine
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United States of America Patent
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Nov 24, 2015
Grant Date -
Jan 29, 2015
app pub date -
Jul 25, 2013
filing date -
Jul 25, 2013
priority date (Note) -
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Abstract
A method for servicing a gas turbine engine to enhance the power output of the gas turbine engine including a control system, inlet guide vanes, and a third stage power turbine nozzle is disclosed. The control system includes an inlet guide vane module. The method includes increasing an operating range of each inlet guide vane to at least 62 degrees. The method also includes modifying a total flow area of the third stage power turbine nozzle by 2% to 12%, the total flow area including flow areas between adjacent airfoils in the third stage power turbine nozzle.
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