Ion Source—Mathematical Simulation Results versus Experimental Data

To develop elements of a system for contact-free transportation of objects in space has now become an urgent task for the contemporary space-related activities. The purpose of work that is presented hereinafter was to conduct ground tests of the ion source, which is a key element of the above-mentio...

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Bibliographic Details
Published in:Aerospace 2021-10, Vol.8 (10), p.276
Main Authors: Svotina, Victoria V., Cherkasova, Maria V., Mogulkin, Andrey I., Melnikov, Andrey V., Peysakhovich, Oleg D.
Format: Article
Language:English
Subjects:
Charged particles
Electric fields
Electrodes
Experimental data
experimental research
extraction system
Gases
Ground tests
Ion beams
Ion optics
ion source
Ion sources
Mathematical models
Optics
Orbits
Plasma
plasma beam divergence angle
Simulation
specific impulse
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Summary:To develop elements of a system for contact-free transportation of objects in space has now become an urgent task for the contemporary space-related activities. The purpose of work that is presented hereinafter was to conduct ground tests of the ion source, which is a key element of the above-mentioned system, and to compare the obtained experimental data with the mathematical simulation results in order to build a refined physical and mathematical model of the ion source. Such model was built on the basis of the classical problem regarding the motion of charged particles in an electrostatic field. Parameters of the ion source have been determined experimentally for several operating modes using various structural designs of the ion source electrodes. Two types of ion optics were tested—with slit and round apertures. Good correlation between simulation results and experimental data has been demonstrated. The optimum ion source operation modes have been identified to ensure minimum divergence angles for the plasma beam exiting from the ion source, which in its turn maximizes the pulse transmitted to the transported object.
ISSN:2226-4310
2226-4310
DOI:10.3390/aerospace8100276