High-speed disperse multiphase flows are present in numerous environmental and engineering applications with complex interactions between turbulence, shock waves, and particles. Compared with its incompressible counterpart, compressible two-phase flows introduce new scales of motion that challenge simulations and experiments. This review focuses on gas–particle interactions spanning subsonic to supersonic flow conditions. An overview of existing Mach-number-dependent drag laws is presented, with origins from eighteenth-century cannon firings and new insights from particle-resolved numerical simulations. The equations of motion and phenomenology for a single particle are first reviewed. Multiparticle systems spanning dusty gases to dense suspensions are then discussed from numerical and experimental perspectives.

中文翻译：

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高速流动中的气体-粒子动力学


高速分散多相流存在于众多环境和工程应用中，湍流、冲击波和颗粒之间存在复杂的相互作用。与不可压缩的对应物相比，可压缩两相流引入了新的运动尺度，对模拟和实验提出了挑战。本综述重点关注亚音速到超音速流动条件下的气体-粒子相互作用。概述了现有的马赫数相关阻力定律，其起源于十八世纪的大炮发射和粒子解析数值模拟的新见解。首先回顾了单个粒子的运动方程和现象学。然后从数值和实验的角度讨论了从含尘气体到稠密悬浮液的多粒子系统。