第八章的路线图 Derivation oi the basi normal shock equations Speed of sound Special forms of the energy equation when is a flow compressible? Derivation of detailed equations for the calculation of changes across d normal shock wave: discussion of phy]ai trends Compressible airspeed measurements b means of a Pitot tube FIGURE 8.2 Road map for Chap. 8第八章的路线图: