Corrected speed

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Corrected Speed is the speed a component would rotate at if the inlet temperature corresponded to ambient conditions at Sea Level, on a Standard Day (i.e. 288.15K).

Corrected Speed ,, can be calculated as follows:

Corrected Speed is often abbreviated to Nc or Nr (for Referred Speed).

So-called Non-Dimensional Speed ) is proportional to Corrected Speed:

Nomenclature:

• T Stagnation (or Total) Temperature

• N Real Shaft Speed

• θ Referred Temperature

In relative form, Corrected Speed, Referred Speed and Non-Dimensional Speed are all measures of peritheral Mach number.

See:

• compressor map
• turbine map
• corrected flow