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首页> 外文会议>Hypervelocity Impact Symposium >A New Cosmic Dust Detector with a Novel Method Using a Resistive Grid Sensitive to Hypervelocity Impacts
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A New Cosmic Dust Detector with a Novel Method Using a Resistive Grid Sensitive to Hypervelocity Impacts

机译：一种新的宇宙灰尘探测器，具有使用对超型冲击敏感的电阻网格的新方法

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A new method is demonstrated to detect impacts of hypervelocity particles in real-time and to determine the size of particles. It uses a resistive grid on a thin substrate (here Duroid). Penetration of the substrate in an impact breaks lines on the grid, changing the overall resistance of the grid. The change in resistance is proportional to the width of the damaged area (i.e. number of resistive lines that are broken), which is in turn proportional to the impactor size. This method provides a large area, low mass, low power detector for measuring the flux of small dust particles in space. Based on experimental data (taken in a two-stage light gas gun), we show that impacts at 5 km s~(-1) demonstrate that the principle works as described for particles 150 that in theory could work for impacts down to size scales as small as.
机译：证明一种新方法以实时检测超细粒子的影响，并确定粒子的尺寸。它在薄基板上使用电阻栅格（这里是多汁橡胶）。在碰撞中渗透基板在网格上断裂线，改变了栅格的整体电阻。电阻的变化与损坏区域的宽度成比例（即破坏的电阻线的数量），其又与撞击器尺寸成比例。该方法提供了大面积，低质量低功率检测器，用于测量空间中小型粉尘颗粒的磁通量。基于实验数据（在两级轻气枪中取出），我们表明，5公里的影响〜（-1）表明原理工作如上所述，理论上可以用于尺寸为尺寸的影响。一样小。

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