Formation of High-beta Magneto-Plasma-Vortex in a Fast Plasma Flow

快速等离子体流中高β磁等离子体涡流的形成

• 批准号: 12480123
• 负责人: ANDO Akira
• 金额: $ 9.22万
• 依托单位: TOHOKU UNIVERSITY
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for Scientific Research (B)
• 财政年份: 2000
• 资助国家: 日本
• 起止时间: 2000 至 2002
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/en/grant/KAKENHI-PROJECT-12480123/
• 关键词: Magneto-plasma-vortex; Plasma flow; Magnetic probe; Alfven wave; Coaxial gun; MPD; HITOP; アルフェン波; プローブ

The Aim of this research is to investigate a new plasma confinement, that is a high-beta spheromac plasma maintained in a fast-flowing plasma. The formation of magneto-plasma-vortex (MPV) is one of typical magnetohydrodynamic behaviors caused by a nonlinear interaction between electromagnetic field and plasmas. As the propagation of electromagnetic waves in fast-flowing plasma is also important issue for the formation of MPV, Alfven waves were excited and investigated as well as the formation of MVP in this research.The MPV formation experiment was performed by the coaxial plasma gun with a build-in poloidal magnetic coil. Spatial and temporal evolutions of magnetic signals have been obtained by 3-dimensional multi-channel magnetic probe array fabricated for this experiment. The formation of MPV was verified by the magnetic signal behavior when it passed through the probe array.A helicity-antenna and helical-antenna were installed in fast-flowing plasma and Alfven wave excitation experiments were performed. Compressional Alfven wave and shear Alfven wave were excited separately and their propagation properties in a fast-flowing plasma were investigated.

这项研究的目的是研究一种新的等离子体限制，这是一种在快速流动的等离子体中维持的高β球状血浆。磁质量 - 涡流（MPV）的形成是由电磁场和等离子体之间非线性相互作用引起的典型磁流体动力学行为之一。由于快速流动等离子体中电磁波的传播对于MPV的形成也是重要的问题，因此在这项研究中，Alfven波受到激发和研究以及MVP的形成。MPV形成实验是由具有构建poloid in-Poloid磁性磁力的同轴等离子体进行的。通过为该实验制造的3维多通道磁探针阵列获得了磁信号的空间和时间演变。通过磁信号通过探针阵列时，通过磁信号行为验证了MPV的形成。在快速流动的等离子体中安装了螺旋性 - 安特纳（Helicity-Antenna）和螺旋 - 安宁纳（Helical-Antenna），并进行了Alfven波动激发实验。分别激发压缩的Alfven波和剪切Alfven波，并研究了它们在快速流动等离子体中的传播特性。

项目成果

A.Ando: "Mach Probe Characteristics in a High-Mach-Number Plasma Flow"Proc. of 25^<th> Int.Conf. on Phenomena In Ionized Gases (2001,Nagoya). 2. 195-196 (2001)

A.Ando：“高马赫数等离子体流中的马赫探针特性”Proc。

A.Imasaki, H.Tobari, H.Miyazaki, K.Hattori, A.Ando, M.Inutake: "Macroscopic Behavior and its stability of a field-aligned supersonic plasma flow"Proc. of 6th Int. Workshop on Interrelationship between Plasma Experiments in the Laboratory and Space (IPELS-

A.Imasaki、H.Tobari、H.Miyazaki、K.Hattori、A.Ando、M.Inutake：“场对准超音速等离子体流的宏观行为及其稳定性”Proc。

A.Ando, T.Fukui, K.Yoshino, M.Ashino, K.Hattori, M.Inutake: "Mach Probe Characteristics in a High-Mach-Number Plasma Flow"Proc. of 25th Int. Conf. on Phenomena in Ionized Gases. 2. 195-196 (2001)

A.Ando、T.Fukui、K.Yoshino、M.Ashino、K.Hattori、M.Inutake：“高马赫数等离子体流中的马赫探针特性”Proc。

H.Tobari, R.Sato, K.Hattori, A.Ando, M.Inutake: "Characteristics of Plasma Flow and Spatial Distribution of jxB Forces in an Applied-field MPD Thruster"Advances in Applied Plasma Science. 4. 133-138 (2003)

H.Tobari、R.Sato、K.Hattori、A.Ando、M.Inutake：“应用场 MPD 推进器中的等离子体流和 jxB 力的空间分布特征”应用等离子体科学的进展。

A.Ando: "Macroscopic Behavior of a Supersonic Plasma Flow in a Divergent Magnetic Mirror"Transaction of Fusion Science and Technology. 43. 130-132 (2003)

A.Ando：“发散磁镜中超音速等离子体流的宏观行为”聚变科学与技术汇刊。