Abstract—

The paper presents a numerical analysis of aerophysical nonequilibrium processes occurring near the surface of the Schiaparelli entry vehicle in the region of hypersonic flight in the dense Martian atmosphere. The two-dimensional model realized is based on the system of self-consistent equations of nonequilibrium physical and chemical mechanics of a partially ionized, multicomponent, viscous, and heat-conducting gas. A numerical investigation of the conditions of the flow around the Schiaparelli entry vehicle during its landing onto the Mars surface shows that in the altitude range from 80 to 30 km the electron concentration in the flow region disturbed by the entry vehicle amounts to 10⁹ to 10¹¹ cm^–3. These calculated data are confirmed by the flight data concerning the blocking of radio signals transmitted by the entry vehicle to the orbital module.

中文翻译：

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Schiaparelli航天器进入火星大气层时激波层电离的数值分析

摘要—

本文介绍了在密集火星大气中高超音速飞行区域Schiaparelli进入载具表面附近发生的航空物理非平衡过程的数值分析。所实现的二维模型基于部分电离，多组分，粘性和导热气体的非平衡物理和化学力学的自洽方程组。对Schiaparelli进入飞行器着火期间降落在火星表面周围的流动情况的数值研究表明，在80至30 km的高度范围内，受进入飞行器干扰的流动区域中的电子浓度总计为10 ⁹到10 ¹¹厘米^–3。这些计算数据由与进入车辆发送到轨道模块的无线电信号的阻塞有关的飞行数据确认。