Abstract— Supersonic laminar flow past a sphere and a cylinder placed perpendicular to the freestream is investigated on the basis of the numerical solution of the Navier—Stokes equations. The gas is assumed to be perfect, with a constant specific heat ratio, and the surface temperature is fixed and taken to be the same as to the recovery temperature. The calculations are carried out at the Mach number 3 (cylinder) and 5 (sphere) in the Reynolds number range from 1 to 3000. The effect of the boundary slip and no-slip conditions imposed on the body surface on the flow parameters is investigated. Emphasis is placed on the determination of the aerodynamic characteristics. The results obtained are compared with the available experimental and calculated data.

中文翻译：

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超音速低雷诺数流中球体和圆柱体的气动特性

摘要——基于 Navier-Stokes 方程的数值解，研究了通过垂直于自由流放置的球体和圆柱体的超音速层流。假设气体是完美的，具有恒定的比热比，并且表面温度是固定的并且与恢复温度相同。计算在 3 马赫数（圆柱体）和 5 马赫数（球体）下进行，雷诺数范围从 1 到 3000。研究了边界滑移和无滑移条件对体表面施加的流动参数的影响. 重点放在确定空气动力学特性上。将获得的结果与可用的实验和计算数据进行比较。