# 12.5: The Working Equations for the Prandtl-Meyer Function

The change in the deflection angle is calculated by
$\nu_2 - \nu_1 = \nu(M_2) - \nu(M_1) \label{pm:eq:omega} \tag{37}$

Fig. 12.26 The angle as a function of the Mach number and spesfic heat.

### Contributors

• Dr. Genick Bar-Meir. Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or later or Potto license.