Arc-Heated Magnetically-Trapped Expanding Plasma Jet Generator
Arc-Heated Magnetically-Trapped Expanding Plasma Jet Generator
复制标题
电弧加热磁捕获膨胀等离子体射流发生器
DOI：
10.1063/1.1144001
复制
发表时间：
1993
影响因子：
1.6
通讯作者：
Masa
中科院分区：
文献类型：
--
作者：
H. Akatsuka;Masa
为了实现热等离子体和复合等离子体的新应用，开发了一种连续产生“电弧加热和磁捕获膨胀等离子体射流”的装置。在该装置中，大气压下的电弧加热热氦等离子体从内径为 1.2 mm 的喷嘴喷入约 3-20 Pa 的稀薄气体风洞，平行磁场为 0.025–0.16 T。对等离子体进行了研究，并在等离子体射流下游观察到静止的倒置群体。磁场建立稳定的电弧放电。等离子体的电子温度Te、离子温度Ti和电子密度ne分别约为0.1-1、0.1-0.8 eV和1×1012-2×1013 cm−3。讨论了该装置的两个应用示例。一种是潜在的活性激光介质，另一种是簇制备器。
For the purpose of new applications of thermal and recombining plasma, an apparatus is developed which continuously produces ‘‘arc‐heated and magnetically trapped expanding plasma jet.’’ In this apparatus, arc‐heated thermal helium plasma of atmospheric pressure is spouted from a nozzle of 1.2 mm inner diameter into a rarefied gas wind tunnel of about 3–20 Pa with a parallel magnetic field of 0.025–0.16 T. Investigations about the plasma are carried out and stationary inverted populations are observed downstream along this plasma jet. The magnetic field establishes stable arc discharge. Electron temperature Te, ion temperature Ti, and electron density ne of the plasma are about 0.1–1, 0.1–0.8 eV, and 1×1012–2×1013 cm−3, respectively. Two examples of applications of this apparatus are discussed. One is a potential active laser medium, and the other is a cluster preparer.