On the role of magnetic field intensity effects on the discharge characteristics of Hall thrusters

被引：3

作者：

E Peng ^{[2
]}

Yu Da-Ren ^{[1
]}

Wu Zhi-Wen ^{[3
]}

Han Ke ^{[2
]}

机构：

[1] Harbin Inst Technol, Sch Energy Sci & Engn, Harbin 150001, Peoples R China

[2] Harbin Inst Technol, Dept Elect Engn, Harbin 150001, Peoples R China

[3] Univ Sci & Technol Beijing, Sch Mech Engn, Beijing 100083, Peoples R China

来源：

ACTA PHYSICA SINICA | 2009年 / 58卷 / 04期

基金：

中国国家自然科学基金;

关键词：

Hall thruster; magnetic field intensity; discharge characterization; IONIZED XENON; TRANSPORT; MODEL;

D O I：

10.7498/aps.58.2535

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We investigates the magnetic field intensity effects on the discharge characterization of Hall thrusters for optimization of the magnetic fields by varying the strength of magnetic fields with its topography holds constant (keep in "focusing" type), and making an experimental study of the thruster' s operating performance working in different regions of magneto-ampere curve through Langmuir probe, spectrograph, etc.. The results shows that when the magnitude of magnetic field intensity is less than its optimal value, near-wall conductivity gives priority to the activity that electrons traverse the magnetic field; contrarily, discharge current varying with magnetic field intensity abnormally, and existing electrons conductive theories are failed to explain this phenomenon.

引用

页码：2535 / 2542

页数：8

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