Plasma and Fusion Research
Online ISSN : 1880-6821
ISSN-L : 1880-6821
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Thermionic Energy Converter System Using Heat Flux in Divertor Region
Dai OIKAWANoriyasu OHNOShin KAJITAMakoto TAKAGISuguru MASUZAKIMasayuki TOKITANIKazuhito ASANO
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2012 Volume 7 Pages 1405050

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Abstract

We have investigated the feasibility of a thermionic energy converter (TEC) system using the high heat flux from divertor plasmas in fusion devices. If the kinetic energy of particles can be converted to electricity by using a TEC, the efficiency of fusion reactors could be improved. The basic properties of the TEC were analyzed by a two-dimensional particle-in-cell simulation, including the current-temperature characteristics and potential profile between the electrodes and the magnetic field effect. Verification experiments on the TEC system under divertor-relevant conditions were also conducted in the Active Cooling Test device, in which the heat load is produced by an electron beam.

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© 2012 by The Japan Society of Plasma Science and Nuclear Fusion Research
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