FusionPapers
図版検索トレンドwiki日本の研究
© 2026 FUSIONPAPERS
About法務情報
トップに戻る

Electric fields and currents in front of a biased electrode (flush mounted probe) and the I - V characteristics of the electrode for various mechanisms of transverse conductivity

V.A. Rozhansky, A.A. Ushakov, S.P. Voskoboynikov1999年被引用 28Nuclear FusionIF 3出版社

The current-voltage characteristics of a biased electrode (flush mounted probe) and the potentialand current distributions are analysed for three basic mechanisms of conductivity across the magnetic field (viscosity, inertia, ion-neutral collisions) in a fully ionized plasma for probe sizes larger than the ion gyro-radius. The analysis was performed both analytically (for small probe potentials) and numerically. It isshown that the slope of the transitional part of the I-V characteristics is approximately the same for all types of conductivity, provided the probe current is normalized to the ion sonic flow to the return current collecting area, while the probe voltage is measured in electron temperature units. The characteristic scale of the plasma perturbed region along the magnetic field is of the order of λmfp(mi/me)1/2 for all three mechanisms considered. The transverse scale is essentially determined by the type of transverse conductivity.

日本語訳

バイアス電極(フラッシュマウントプローブ)の電流-電圧特性と、磁場を横切る三つの基本伝導機構(粘性、慣性、イオン-中性衝突)に対する電位および電流分布を、完全電離プラズマ中でプローブサイズがイオンジャイロ半径より大きい場合について解析した。この解析は、小さなプローブ電位に対しては解析的に、また数値的にも行われた。プローブ電流を、電流を収集するリターン領域へのイオン音波流に正規化し、プローブ電圧を電子温度単位で測定すると、I-V特性の遷移領域の傾きは、すべての伝導機構に対してほぼ同じであることが示された。磁場に沿ったプラズマ擾乱領域の特性スケールは、考慮した三つの機構すべてについて、λ_mfp(mi/me)^(1/2) のオーダーである。一方、磁場を横切るスケールは、横方向の伝導機構の種類によって本質的に決定される。

この論文にはまだAI要約がありません。

関連論文

3D particle-in-cell modeling of Langmuir probe effective collecting area in magnetized plasma

2018Plasma Physics and Controlled Fusion

Measurement of the impedance to current flow in a steady-state magnetically confined plasma

1987Plasma Physics and Controlled Fusion

Electron cooling in probe collection from magnetized plasmas with anomalous transport

2002Plasma Physics and Controlled Fusion

Spherical probes at ion saturation in E × B fields

2010Plasma Physics and Controlled Fusion

Study of ion sheath expansion and anisotropy of the electron parallel energy distribution in the CASTOR tokamak

2007Plasma Physics and Controlled Fusion

Ion-collecting sphere in a stationary, weakly magnetized plasma with finite shielding length

2007Plasma Physics and Controlled Fusion

Space-charge limits of ion sensitive probes

2013Plasma Physics and Controlled Fusion

Advances in Magnum-PSI probe diagnosis in support of plasma–surface interaction studies

2022Plasma Physics and Controlled Fusion

Polarized pyrometric probe: principles of operation and measurement of plasma particle energy

1966Nuclear Fusion

Electron density dependence of impedance probe plasma potential measurements

2015Physics of Plasmas