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Research on stellarator-mirror fission-fusion hybrid
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2014 (English)In: Plasma Physics and Controlled Fusion, ISSN 0741-3335, E-ISSN 1361-6587, Vol. 56, no 9, 094008- p.Article in journal (Refereed) Published
Abstract [en]

The development of a stellarator-mirror fission-fusion hybrid concept is reviewed. The hybrid comprises of a fusion neutron source and a powerful sub-critical fast fission reactor core. The aim is the transmutation of spent nuclear fuel and safe fission energy production. In its fusion part, neutrons are generated in deuterium-tritium (D-T) plasma, confined magnetically in a stellarator-type system with an embedded magnetic mirror. Based on kinetic calculations, the energy balance for such a system is analyzed. Neutron calculations have been performed with the MCNPX code, and the principal design of the reactor part is developed. Neutron outflux at different outer parts of the reactor is calculated. Numerical simulations have been performed on the structure of a magnetic field in a model of the stellarator-mirror device, and that is achieved by switching off one or two coils of toroidal field in the Uragan-2M torsatron. The calculations predict the existence of closed magnetic surfaces under certain conditions. The confinement of fast particles in such a magnetic trap is analyzed.

Place, publisher, year, edition, pages
2014. Vol. 56, no 9, 094008- p.
Keyword [en]
fusion reactor, fission reactor, fusion-fission hybrid, stellarator, mirror
National Category
Physical Sciences Engineering and Technology
Research subject
Engineering Science with specialization in Science of Electricity
Identifiers
URN: urn:nbn:se:uu:diva-234179DOI: 10.1088/0741-3335/56/9/094008ISI: 000341854100009OAI: oai:DiVA.org:uu-234179DiVA: diva2:755681
Available from: 2014-10-15 Created: 2014-10-14 Last updated: 2017-12-05Bibliographically approved

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Ågren, OlovNoack, KlasHagnestål, AndersKällne, Jan

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