The plume diagnostics of 30 cm ion thruster with an advanced plasma diagnostics system

Tao CHEN (陈焘); Juntai YANG (杨俊泰); Xinwei CHEN (陈新伟); Yong ZHAO (赵勇)

doi:10.1088/2058-6272/ab854f

Plasma Science and Technology > 2020 > 22(9): 94005-094005. > DOI: 10.1088/2058-6272/ab854f

Tao CHEN (陈焘), Juntai YANG (杨俊泰), Xinwei CHEN (陈新伟), Yong ZHAO (赵勇). The plume diagnostics of 30 cm ion thruster with an advanced plasma diagnostics system[J]. Plasma Science and Technology, 2020, 22(9): 94005-094005. DOI: 10.1088/2058-6272/ab854f

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The plume diagnostics of 30 cm ion thruster with an advanced plasma diagnostics system

Science and Technology on Vacuum Technology and Physics Laboratory, Lanzhou Institute of Physics, Lanzhou 730000, People's Republic of China

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Received Date: December 19, 2019
Revised Date: March 29, 2020
Accepted Date: March 30, 2020

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Abstract

Abstract

In order to achieve a better understanding of plume characteristics of LIPS-300 ion thruster, the beam current density, ion energy and electron number density of LIPS-300 ion thruster plume are studied with an Advanced Plasma Diagnostics System (APDS) which allows for simultaneous in situ measurements of various properties characterizing ion thruster, such as plasma density, plasma potential, plasma temperature and ion beam current densities, ion energy distribution and so on. The results show that the beam current density distribution has a double 'wing' shape. The high energy ions were found in small scan angle, while low energy ions were found in greater scan angle. Electron number density has a similar shape with the beam current density distribution.
- electric propulsion,
- ion thruster,
- plasma diagnostics

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The plume diagnostics of 30 cm ion thruster with an advanced plasma diagnostics system

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