Modeling of dynamics of perfect gas in annular nozzles of aircrafts

The dynamics of perfect gas in annular nozzles of aircrafts is considered. The computational field of annular nozzles and system equations for mathematical modeling of unsteady axisymmetric compound flows of perfect gas in integral form are presented. The solving of system equations carry out by procedure of assignment with using scheme S.K. Godunov - V.P. Kolgan. The results of mathematical modeling of flows of perfect gas in annular nozzle with short-cut central body are presented.