Abstract
An analysis was made of the effect of the shape of the subsonic and transonic sections of the nozzle on the efficiency with which the vibrational energy of the molecules is frozen. Allowance was made for the non one-dimensional character of the flow. The stabilization method of the third order of approximation was used in the spatial variables developed by J.L. Wagner and J.D. Anderson for calculating two-dimensional mixed nozzle flows in the presence of nonequilibrium physicochemical processes. The presence of a shock was the chief factor leading to a decrease in the efficiency with which vibrational energy is frozen in the subsonic and transonic sections of a nozzle with an interval of constant cross section in the throat.
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