Turbofan Spool RPM: Mathematical Relation for Performance

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A mathematical relation directly linking spool RPM to turbofan engine performance parameters does not exist. Instead, performance is influenced by multiple factors, including fan diameter and overall pressure ratio. RPM can be used to derive the performance of individual components like the compressor and turbine. Understanding these relationships is crucial for evaluating engine performance. Comprehensive analysis is necessary for accurate performance assessment in turbofan engines.
zeus2kx
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Hello,
I am looking for a mathematical relation describing spool RPM and performance (any parameter) of turbofan engine.
Kindly help.

Thanks.

Regards,
Z
 
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You more than just RPM to quantify performance. Diameter of the fan, pressure ratio of the overall compression stages...
 
There is not a specific relation between RPM and the performance parameters. Rather by using this angular velocity u can find out the performance of the compressor and the turbine, from which you can find out the performance of the engine... just check it out.
 

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