The change in the deflection angle is calculated by
\nu_2 - \nu_1 = \nu(M_2) - \nu(M_1)
Fig. 12.26 The angle as a function of the Mach number and spesfic heat.
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.