Abstract

Study of one-dimensional supersonic monatomic gas flow through a grid of cylinders was performed by the direct simulation Monte Carlo method. The distinguishing features of the shock disturbance formation by the heat and impulse interaction of a flat-parallel flow with a permeable obstacle and the influence of this disturbance on flow parameters behind the obstacle were ascertained. Boundaries of supersonic flow breakdown ahead of the obstacle were found; specific features of the total momentum loss on the obstacle were established; kinetic and energy characteristics of the flow behind the obstacle were determined.

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