【摘 要】
：
随着航天器再入/飞行速度的不断增大，传统连续流区域的电离现象向稀薄流区大幅延伸，通信黑障等等离子体现象更加显著。本报告主要介绍近年来我们在稀薄气体电离效应DSMC 模
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随着航天器再入/飞行速度的不断增大，传统连续流区域的电离现象向稀薄流区大幅延伸，通信黑障等等离子体现象更加显著。本报告主要介绍近年来我们在稀薄气体电离效应DSMC 模拟方法方面的工作，包括稀薄弱电离等离子体效应的处理方法，稀有组分电离反应的权重因子方法，适用于复杂外形航天器再入电离特性预测的MPI 并行平台开发，以及在典型航天器再入条件下的应用。下一步研究工作主要围绕稀薄气体辐射，表面化学和壁面催化展开。
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