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Neutron Diagnostics For Mirror Hybrids
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Electricity.
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Electricity.
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Electricity.
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2012 (English)In: Fusion for Neutrons and Subcritical Nuclear Fission: Proceedings of the International Conference / [ed] Jan Källne, Dimitri Ryutov, Giuseppe Gorini, Carlo Sozzi, Marco Tardocchi, 2012, 281-288 p.Conference paper, Published paper (Refereed)
Abstract [en]

Fusion-fission (FuFi) hybrids will need instrumentation to diagnose the deuterium-tritium plasma, whose 14-MeV neutron emission is the driver of the sub-critical fission core. While the fission neutron yield rate (Y-fi and hence power P-fi) can be monitored with standard instrumentation, fusion plasmas in hybrids require special diagnostics where the determination of Y-th (proportional to P-fu) is a challenge. Information on Y-fu is essential for assessing the fusion plasma performance which together with Y-fi allows for the validation of the neutron multiplication factor (k) of the subcritical fission core. Diagnostics for hybrid plasmas are heuristically discussed with special reference to straight field line mirror (SFLM). Relevant DT plasma experience from JET and plans for ITER in the main line of fusion research were used as input. It is shown that essential SFLM plasma information can potentially be obtained with proposed instrumentation, but the state of the hybrid plasma must be predictably robust as derived from fully diagnosed dedicated experiments without interface restrictions of the hybrid application.

Place, publisher, year, edition, pages
2012. 281-288 p.
Series
AIP Conference Proceedings, ISSN 0094-243X ; 1442
Keyword [en]
Diagnostics, Fusion-fission hybrids, Mirror plasmas, Neutron monitoring
National Category
Engineering and Technology
Research subject
Engineering Science with specialization in Science of Electricity
Identifiers
URN: urn:nbn:se:uu:diva-181212DOI: 10.1063/1.4706881ISI: 000306895100034ISBN: 978-0-7354-1038-1 (print)OAI: oai:DiVA.org:uu-181212DiVA: diva2:556100
Conference
International Workshop on Fusion Neutrons and Subcritical Nuclear Fission (FUNFI), SEP 12-15, 2011, Varenna, ITALY
Available from: 2012-09-24 Created: 2012-09-19 Last updated: 2013-03-04Bibliographically approved

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Källne, JanNoack, KlausÅgren, Olov

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