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Influence of the Probe Radius on the Double Flush-Mounted Probe Diagnostics

机译：探头半径对双齐平式探头诊断的影响

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摘要

In this work, the characteristics of different radius parameters (rho p=rp/lambda D) of double flush-mounted probes for measuring plasma parameters are presented. A new empirical analytical expression is introduced to calculate the plasma density and electron temperature by using a floating double flush-mounted probe. The plasma parameters ne and Te are calculated using a new model based on the sheath expansion, which agree well with the measurement of other traditional probes. These results not only indicate that the edge effect area is related to the radius of the probe but also verify that the Sheridan model can be extended to a wide range of radius parameters. This work suggests that the double flush-mounted probe can be accessible in a broad range of plasma parameters and certain complex plasma conditions, such as the reentry plasma sheath.
机译：在这项工作中，提出了用于测量血浆参数的双平装探头的不同半径参数（rho p = rp /λD）的特性。引入了一个新的经验解析表达式，以使用浮动双冲洗安装式探头来计算等离子体密度和电子温度。使用基于鞘层膨胀的新模型计算血浆参数ne和Te，这与其他传统探针的测量结果非常吻合。这些结果不仅表明边缘效应区域与探针的半径有关，而且还证明了Sheridan模型可以扩展到各种半径参数。这项工作表明，可以在广泛的血浆参数和某些复杂的血浆条件（例如折返血浆鞘）中使用双嵌装式探头。

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  • 来源
    《AIAA Journal》 |2019年第3期|904-910|共7页
  • 作者

    Yu Pengcheng; Cao Jinxiang; Zhang Zhongkai; Liu Yu; Lei Jiuhou;

  • 作者单位

    Univ Sci & Technol China, CAS Key Lab Geospace Environm, Sch Phys Sci, 96 Jinzhai Rd, Hefei 230026, Anhui, Peoples R China;

    Univ Sci & Technol China, CAS Key Lab Geospace Environm, Sch Earth & Space Sci, 96 Jinzhai Rd, Hefei 230026, Anhui, Peoples R China;

    Univ Sci & Technol China, CAS Key Lab Geospace Environm, Sch Phys Sci, 96 Jinzhai Rd, Hefei 230026, Anhui, Peoples R China;

    Univ Sci & Technol China, CAS Key Lab Geospace Environm, Sch Earth & Space Sci, 96 Jinzhai Rd, Hefei 230026, Anhui, Peoples R China;

    Univ Sci & Technol China, CAS Key Lab Geospace Environm, Sch Earth & Space Sci, 96 Jinzhai Rd, Hefei 230026, Anhui, Peoples R China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
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