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首页> 外文期刊>Journal of Applied Meteorology and Climatology >Effects of Atmospheric Turbulence on Ballistic Testing
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Effects of Atmospheric Turbulence on Ballistic Testing

机译:大气湍流对弹道测试的影响

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摘要

The effects of atmospheric turbulence on munition target scatter are determined from numerical simulations of ballistic trajectories through many realizations of realistic simulated turbulent wind fields. A technique is evaluated for correcting for the effects of turbulence on ballistic testing procedures by using a line of sonic anemometer measurements taken along the trajectory path. The metric used to evaluate the correction is the difference between the target impact scatter produced with and without the use of the anemometers in the trajectory calculations. The improvement in the testing procedure as measured by this metric is determined as a function of the number of sonic anemometers in the line and the sonic averaging time interval. The performance of the simulations is also compared with data from a field test for a standard small-caliber munition, and the predicted and observed target scatter are in good qualitative agreement, supporting the feasibility of the approach.
机译:大气湍流对弹药目标散射的影响是通过对弹道的数值模拟,并通过许多实际模拟的湍流风场的实现来确定的。通过使用沿轨迹路径进行的一系列声速计测量,评估了一种校正湍流对弹道测试程序影响的技术。用于评估校正的度量标准是在轨迹计算中使用和不使用风速计时产生的目标冲击散射之间的差异。根据该度量标准测量的测试程序的改进取决于线路中声速计的数量和声波平均时间间隔。模拟的性能也与标准小口径弹药的现场测试数据进行了比较,预测和观察到的目标散布具有良好的定性一致性,支持了该方法的可行性。

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