Numerical simulation of supersonic non-stationary gas flow around cylindrical body with the needle

The results of numerical simulation of supersonic viscous heat-conducting gas flow around cylindrical body with the needle are given. The non-stationary regimes of flow with forward separate zones were investigated. Periodic regime of the flow with pressure oscillations of the second kind connected with series origin, growth and destruction of a forward separate zone is circumscribed. The results obtained are compared with experimental data. It can be observed a good agreement of base frequencies of pressure pulsations. The computations are carried out by using kinetically-consistcnt finite difference schemes which were successfully used earlier for solving complex problems of unsteady gasdynamic.