Is this Prandtl Meyer Expansion Calculator free to use?

Yes, Prandtl Meyer Expansion Calculator is 100% free to use online with no installation or account required.

How do I use the Prandtl Meyer Expansion Calculator?

Simply enter your values into the required input fields and click calculate to view the results instantly.

Yes, the calculator is fully responsive and compatible with Android, iOS, Windows, macOS, and Linux web browsers.

Prandtl Meyer Expansion Calculator — Free Online Tool

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Calculate supersonic expansion properties and final Mach number

Formula: ν(M) = √((γ+1)/(γ-1)) arctan(√((γ-1)/(γ+1)(M²-1))) - arctan(√(M²-1))
Computes final Mach number (M2) after flow turns by angle θ.

Aerodynamic Parameters

Initial Mach Number

Turning Angle (degrees)

Ratio of Specific Heats (air = 1.4)

⚠️ For compressible aerodynamics and aerospace engineering education reference only. Assumes steady, isentropic supersonic flow.

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