Corrected Flow is the mass flow that would pass through a device (e.g. compressor, bypass duct, etc.) if the inlet pressure and temperature corresponded to ambient conditions at Sea Level, on a Standard Day (e.g. 14.696 lbf/in², 518.7R).
Corrected Flow, , can be calculated as follows, assuming Imperial Units:
Corrected Flow is often given the symbol or (for referred flow).
So-called Non-Dimensional Flow, , is proportional to Corrected Flow:
The equivalent equations for Preferred SI Units are: (101.325kPa, 298.15K)
- Stagnation (or Total) Pressure
- Stagnation (or Total) Temperature
- Real Mass Flow
- Referred Pressure
- Referred Temperature
In relative form, Corrected Flow, Referred Flow and Non-Dimensional Flow are all measures of axial Mach number.
Side note: If the mass flow can be considered an energy source such as fuel flow, the corrected flow is calculated as follows:
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