Effect of steam addition on cycle performance of simple and recuperated gas turbines
Robert J. Boyle, United States. National Aeronautics and Space Administration. Scientific and Technical Information Office, Lewis Research Center
National Aeronautics and Space Administration, Scientific and Technical Information Office, 1979 - Technology & Engineering - 49 pages
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air mass ratio air ratio air-cooled turbine amount of steam approach temperature difference Btu/lb-air equivalent burner calculated combined cycle compressor discharge air compressor inlet air compressor polytropic efficiency Compressor pressure ratio condensation cooling assumption creased cycle performance cycle with steam cycle without steam data in table decreased due to steam effect on cycle efficiency and specific exhaust gas Exhaust outlet exit temperature flow rate ratio fuel gas turbine cycle greater heat recovery boiler influence coefficients mass flow rate maximum cycle efficiency maximum efficiency mechanical efficiency N/cm psia NASA number of turbine percent percentage point power at maximum power at turbine recuperated cycle recuperator effectiveness relative area relative humidity shown in figure simple and recuperated simple cycle steam addition rates steam exiting Steam Injection steam to air temperature and cooling turbine coolant turbine cooling turbine inlet temperature turbine stages uncooled turbine W-hr/kg-air equivalent water use rate water vapor