|Table of Contents|

A QMU approach for performance design and verification of ion thrusters(PDF)

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

Issue:
2020年05期
Page:
73-79
Research Field:
研究与设计
Publishing date:

Info

Title:
A QMU approach for performance design and verification of ion thrusters
Author(s):
ZHANG Xueer; ZHANG Tianping; LI Detian
(1.Science and Technology on Vacuum Technology and Physics Laboratory, Lanzhou Institute of Physics, Lanzhou 730000, China; 2.Key Laboratory of Space Electric Propulsion Technology of Gansu Province, Lanzhou 730000, China)
Keywords:
performance design;  performance verification;  quantification of margins and uncertainties(QMU);  ion thruster
PACS:
V439
DOI:
-
Abstract:
Based on quantification of margins and uncertainties(QMU)and developed ion thruster prototype, an approach was derived for performance design and verification of ion thrusters.The procedure involves performance characterization, performance-parameter modeling, parameter uncertainty determination, performance uncertainty computation, margin test, and checking if the performance uncertainty is entirely included within the margin.A demonstration of LIPS-200E ion thruster was given with simplification, modeling, computation and analysis.Uncertainties of dependent parameters and performances were derived theoretically and empirically.The tested specific impulse and thrust of the LIPS-200E engineering prototype were taken as the performance margins, which completely included their corresponding uncertainties.These performances satisfy the engineering application.

References:

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Last Update: 2020-10-20