|Table of Contents|

Experiment and calculation analysis of Hall thruster lifetime(PDF)

《火箭推进》[ISSN:1672-9374/CN:CN 61-1436/V]

Issue:
2014年03期
Page:
16-22
Research Field:
研究与设计
Publishing date:

Info

Title:
Experiment and calculation analysis of Hall thruster lifetime
Author(s):
ZHANG Zhi-yuan1;  TIAN Yang2;  WANG Ping-yang3;  WU Jian-jun1
1. School of Aerospace Science and Engineering, National Univ. of Defense Technology, Changsha 410073, China; 2. Beijing Institute of Electronic System Engineering, Beijing 100854, China; 3. School of Mechanical Engineering, Shanghai Jiaotong University
Keywords:
Hall thruster;  lifetime;  experiment;  semi-empirical method;  probability density
PACS:
V439+.4-34
DOI:
-
Abstract:
In order to accurately and efficiently predict the lifetime of Hall thruster, the short-duration experiment was carried out in the vacuum tank in combination with three-coordinate measuring instrument. The discharge chamber wall profile parameters were obtained after Hall thruster working for some time. The impr oved semi-empirical model was developed based on the probability density function and the short-duration experimental results. The reliability was examined by using the experimental conditions and results of the available literature and showed the improved model and algorithm can efficiently predict the real lifetime of Hall thruster. The effects of the main factors on the lifetime were investigated. The results showed the lifetime times the power is about a constant and it is about 3.6×106 W·h for HET-40 here.

References:

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