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Researches on a reactor core in heavy ion inertial fusion

Published online by Cambridge University Press:  02 November 2016

S. Kondo ,
T. Karino ,
T. Iinuma ,
K. Kubo ,
H. Kato ,
S. Kawata  and
A.I. Ogoyski
S. Kondo*
Affiliation:
Graduate School of Engineering, Utsunomiya University, Yohtoh 7-1-2, Utsunomiya 321-8585, Japan
T. Karino
Affiliation:
Graduate School of Engineering, Utsunomiya University, Yohtoh 7-1-2, Utsunomiya 321-8585, Japan
T. Iinuma
Affiliation:
Graduate School of Engineering, Utsunomiya University, Yohtoh 7-1-2, Utsunomiya 321-8585, Japan
K. Kubo
Affiliation:
Graduate School of Engineering, Utsunomiya University, Yohtoh 7-1-2, Utsunomiya 321-8585, Japan
H. Kato
Affiliation:
Graduate School of Engineering, Utsunomiya University, Yohtoh 7-1-2, Utsunomiya 321-8585, Japan
S. Kawata*
Affiliation:
Graduate School of Engineering, Utsunomiya University, Yohtoh 7-1-2, Utsunomiya 321-8585, Japan
A.I. Ogoyski
Affiliation:
Department of Physics, Technical University of Varna, Ulitska, Studentska 1, Varna, Bulgaria
*
Address correspondence and reprint requests to: S. Kondo and S. Kawata, Graduate School of Engineering, Utsunomiya University, Yohtoh 7-1-2, Utsunomiya 321-8585, Japan. E-mail: [email protected], [email protected]
Address correspondence and reprint requests to: S. Kondo and S. Kawata, Graduate School of Engineering, Utsunomiya University, Yohtoh 7-1-2, Utsunomiya 321-8585, Japan. E-mail: [email protected], [email protected]
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Abstract

In this paper, a study on a fusion reactor core is presented in heavy-ion inertial fusion (HIF), including the heavy-ion beam (HIB) transport in a fusion reactor, an HIB interaction with a background gas, the reactor cavity gas dynamics, the reactor gas backflow to the beam lines, and an HIB fusion reactor design. The HIB has remarkable preferable features to release the fusion energy in inertial fusion: in particle accelerators HIBs are generated with a high driver efficiency of about 30–40%, and the HIB ions deposit their energy inside of materials. Therefore, a requirement for the fusion target energy gain is relatively low, that would be ~50 to operate an HIF fusion reactor with a standard energy output of 1 GW of electricity. In a fusion reactor, the HIB charge neutralization is needed for a ballistic HIB transport. Multiple mechanical shutters would be installed at each HIB port at the reactor wall to stop the blast waves and the chamber gas backflow, so that the accelerator final elements would be protected from the reactor gas contaminant. The essential fusion reactor components are discussed in this paper.

Keywords

Heavy-ion inertial fusionFusion reactorHeavy-ion beam transportreactor design
Type
Research Article
Information
Laser and Particle Beams , Volume 34 , Issue 4 , December 2016 , pp. 705 - 713
Copyright
Copyright © Cambridge University Press 2016 

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