Basic Characteristics of Secondary Electron Emission from Foil Electrodes for New Energy Recovery Scheme of High Energy Ions in an Advanced Fusion

The new energy recovery method using secondary electron emission has been studied in order to improve energy recovery from high energy protons of fusion products in D-3He nuclear fusion generation. The model experiments were performed by using the tandem electrostatic accelerator and the basic chara...

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Bibliographic Details
Published in:Fusion science and technology 2013-05, Vol.63, p.301-303
Main Authors: Akashi, D, Takeshita, Y, Nakamoto, S, Takeno, H, Yasaka, Y, Furuyama, Y, Taniike, A
Format: Article
Language:English
Subjects:
Accelerators
Beams (radiation)
Electrodes
Electron emission
Energy (nuclear)
Energy recovery
Mathematical models
Nuclear fusion
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Summary:The new energy recovery method using secondary electron emission has been studied in order to improve energy recovery from high energy protons of fusion products in D-3He nuclear fusion generation. The model experiments were performed by using the tandem electrostatic accelerator and the basic characteristics were investigated. According to our results, for penetration aluminum is better as a target material than copper, H+ is better than He2+, and higher energy beam is better which agree with numerical calculations. A qualitative characteristic of secondary electron emission dependence on beam energy was also obtained.
ISSN:1536-1055
DOI:10.13182/FST13-1T301