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Journal of Applied Mechanics and Technical Physics

2013 year, number 4

Supersonic Rarefied Gas Flow through a Wire Grid

M. Yu. Plotnikov, A. K. Rebrov
Keywords: supersonic rarefied gas flow, permeable grid, direct simulation Monte Carlo method


The direct simulation Monte Carlo method is used to study a plane–parallel supersonic gas flow through a grid formed by a series of parallel infinite cylinders. Characteristic features of the shock disturbance formation during the interaction of a supersonic flow with a permeable grid and the effect of this disturbance on the flow parameters behind the grid are revealed. The boundaries of the domain of supersonic flow breakup ahead of the grid and the laws of the total momentum loss on the grid are obtained. Kinetic and energetic characteristics of the flow behind the grid are determined.