磁屏蔽霍尔推力器技术的发展与展望

Development and Prospect of Magnetically Shielded Hall Thruster

磁屏蔽霍尔推力器技术是近年来霍尔推进领域最具影响的创新突破,对于拓展霍尔推力器的应用范围,提高推力器的寿命具有重要意义。介绍了磁屏蔽霍尔推力器的原理及优缺点,从磁屏蔽的提出与验证、不同功率量级霍尔推力器的磁屏蔽技术以及磁屏蔽霍尔推力器热设计、背景压力敏感性、振荡模式转换等方面介绍了磁屏蔽的研究现状,并对未来磁屏蔽霍尔推力器技术的发展进行了展望。

The magnetically shielded Hall thruster technology is the most influential innovation and breakthrough in the field of Hall propulsion in recent years. It is of great significance for expanding the application of Hall thrusters and improving the lifespan of the thruster. In this paper,the principle,and the characteristics of the magnetically shielded Hall thruster are introduced. The research status of the Hall thruster magnetic shielding is presented in terms of its proposition and verification,magnetic shielding technology of different power magnitude Hall thrusters,thermal design sensitivity of background pressure,and oscillation mode conversion. The future development of magnetically shielded Hall thruster technology is prospected.