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Experimental Visualization of Distributed Magnetic Fields of Railguns

机译:电磁炮分布磁场的实验可视化

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摘要

Electromagnetic launch produces distributed magnetic fields during firing. Data collection and visualization of this field provide a useful diagnostic tool to better understand electromagnetic launcher operation. This paper outlines an effort to visualize these fields during firing. The diagnostic tool is based on a ferrofluid that becomes strongly polarized in the presence of a magnetic field. A commercial off-the-shelf flexible film, incorporating microencapsulated ferrofluid, was draped along the top of a railgun during operation. High-speed video capture of launch provided proof of principle that the dynamics of magnetic field formation could be recorded. Conformal mapping of the video provided quantitative contours for validation of numerical models.
机译:电磁发射会在发射过程中产生分布的磁场。该字段的数据收集和可视化提供了有用的诊断工具,可以更好地了解电磁发射器的操作。本文概述了在发射过程中可视化这些场的工作。该诊断工具基于铁磁流体,该铁磁流体在存在磁场的情况下会发生强烈极化。在操作过程中,将装有微囊化铁磁流体的现成的商用柔性膜沿电​​磁炮的顶部覆盖。发射的高速视频捕获提供了可以记录磁场形成动力学的原理证明。视频的保形映射为定量模型提供了定量轮廓。

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