ESDU 74008:1975

$62.40

Estimation of critical Mach number for an aerofoil from its low-speed pressure distribution

Published By	Publication Date	Number of Pages
ESDU	1975-05-01	13

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Category: ESDU

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ESDU 74008 gives curves (for inviscid incompressible flow) of critical Mach number at a point on the aerofoil surface plotted against the local pressure coefficient and the surface slope at that point. The method is based on first-order calculations but is also equivalent to second-order. If an exact method is used to calculate the pressure coefficient, a method is suggested of using ESDU 74008 to provide a comparable accuracy for the predicted critical Mach number.