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首页> 外文期刊>Journal of Physics, D. Applied Physics: A Europhysics Journal >Numerical simulation of laser energy discharge for flight control
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Numerical simulation of laser energy discharge for flight control

机译:飞行控制激光能量放电的数值模拟

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摘要

The numerical investigation of the interaction of an off-axis laser discharge in front of an ogive cylinder at Mach 3.4 is presented. Details of the physics of the interaction of the blast wave and heated region with the ogive cylinder shock structure and the effect of this interaction on the drag, side force and pitching moment are included. The location of laser discharge and the amount of energy added to the gas by the laser are two main factors affecting the flow. Increasing the energy absorbed by the gas increases the drag reduction, the desired side force and pitching moment. Increasing the distance of the discharge from the axis reduces both drag reduction and side force achieved by the laser discharge.
机译:提出了在Mach 3.4处的初始圆筒前面的轴外激光放电相互作用的数值研究。 包括爆发波和加热区域的物理学的细节,具有初始气缸冲击结构和这种相互作用对阻力,侧力和俯仰时刻的影响。 激光放电的位置和激光加入气体的能量是影响流动的两个主要因素。 增加气体吸收的能量会增加减阻,所需的侧力和俯仰力矩。 从轴上增加放电的距离降低了通过激光放电实现的阻力减小和侧力。

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