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Comments on the power amplification factor of a driven subcritical system
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.
2013 (English)In: Annals of Nuclear Energy, ISSN 0306-4549, E-ISSN 1873-2100, Vol. 59, 261-266 p.Article in journal (Refereed) Published
Abstract [en]

The power amplification factor PAF of a driven subcritical system is defined as the ratio of the fission power output of the blanket to the power which the driver must deliver to sustain its neutron source intensity. This parameter decisively determines the effectiveness of the whole system independent of its special purpose as energy amplifier or as transmutation facility. The present note derives a refined analytical expression for the PAF which reveals more physical details than the expressions given by other authors. Moreover, the traditionally used forms of the static reactor eigenvalue equation and of its adjoint equation are rewritten for subcritical systems and used in the derivation of the expression for the PAF. The derived formula and the modified eigenvalue equations are discussed.

Place, publisher, year, edition, pages
2013. Vol. 59, 261-266 p.
Keyword [en]
Driven subcritical system, Fusion–fission hybrid, Power amplification factor, Static reactor eigenvalue equation
National Category
Engineering and Technology
Research subject
Engineering Science with specialization in Science of Electricity
Identifiers
URN: urn:nbn:se:uu:diva-190422DOI: 10.1016/j.anucene.2012.06.020ISI: 000320834800030OAI: oai:DiVA.org:uu-190422DiVA: diva2:583472
Available from: 2013-01-08 Created: 2013-01-08 Last updated: 2017-12-06Bibliographically approved

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Publisher's full texthttp://www.sciencedirect.com/science/article/pii/S0306454912002332

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Noack, KlausÅgren, OlovHagnestål, Anders

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