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As the name suggests, gas turbine engine compressors provide the compression part of the gas turbine engine thermodynamic cycle. There are three basic categories of gas turbine engine compressor: axial compressor, centrifugal compressor, and mixed-flow compressor. A fourth, unusual, type is the free-piston gas generator, which combines the functions of compressor and combustion chamber in one unit.
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What values can/should be used for the isentropic efficiency of a compressor and turbine?
Can anyone please help me out with the values of isentropic efficiencies of compressor and turbine used in the above case? …
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Is overall pressure ratio same as compressor pressure ratio for a gas turbine engine?
For a typical gas turbine engine, turbofan in particular, is the compressor pressure ratio same as the overall pressure ratio? … For modelling purposes can we use the same value of overall pressure ratio for compressor pressure ratio too?
If we do so, will we get accurate results for performance? …