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首页> 外文期刊>International Journal of Aerodynamics >Numerical modelling of supersonic flow actuated by laser-induced plasma
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Numerical modelling of supersonic flow actuated by laser-induced plasma

机译：激光诱导等离子体超声速流动的数值模拟

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In the last decade, a large theoretical and experimental works has been performed to conceive new devices able to reduce significantly the pressure drag of supersonic vehicles. Energy deposition by laser induced plasma seems one of the most promising ideas to modify the flow structure at high Mach number today. This work aims to study the energy deposition effects of a laser induced plasma column past a body and more specifically to estimate the energy transfer from the plasma to the flow. A model describing the flow and the plasma is proposed and analysed. The model is applied to the simulation of a cylindrical laser induced plasma energy deposition in a supersonic flow past a body. Results show the dynamic of the action of the plasma to the flow and demonstrate the potential effects on supersonic flow control. An analysis of the energy balance between power supply and consumption is also provided.
机译：在过去的十年中，进行了大量的理论和实验工作，以构想出能够显着降低超音速飞行器压力阻力的新设备。激光诱导等离子体的能量沉积似乎是当今以高马赫数修改流动结构的最有前途的想法之一。这项工作旨在研究经过身体的激光诱导等离子体柱的能量沉积效应，更具体地说，是估计从等离子体到流的能量转移。提出并分析了描述流动和等离子体的模型。该模型被用于模拟超声流过人体时圆柱激光诱导的等离子体能量沉积。结果显示了等离子体对流动的动态作用，并证明了对超声速流动控制的潜在影响。还提供了电源和功耗之间的能量平衡分析。

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