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Prandtl-Glauert equation

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Prandtl-Glauert equation diagram
calc
This calc evaluates the Prandtl-Glauert equation for an entered Mach number.
Mach number:

ac/ai:
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notes
The Prandtl-Glauert equation can be used to estimate the ratio of compressible and incompressible lift curve slopes in the study of compressible gas flows. However, it is only useful in the range of Mach numbers between 0.3 and 0.7.