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超高速碰撞2024-T4铝靶产生等离子体的朗缪尔双探针诊断

DOI: 10.11858/gywlxb.2012.03.013, PP. 325-332

Keywords: 超高速碰撞,等离子体,双朗缪尔探针,电子温度,电子密度

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Abstract:

有些等离子体,本身并不存在电极和参考点,而该电极或参考点是提供偏压朗缪尔探针所必需的。为了获得超高速碰撞所产生等离子体的特征参量,建立了一种新的静电探针诊断技术,该技术不需要扫描频率,其探针可用于测量与时间相关的电子温度、电子密度。该诊断系统基于双通道电路,电流和电压谱通过数字示波器同步输出。研究的主要目的是,应用双朗缪尔探针诊断2024-T4铝弹丸超高速碰撞2024-T4铝靶时产生的瞬态等离子体。

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