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      Effect of using FLiBe and FLiNaBe molten salts bearing plutonium fluorides on the neutronic performance of PACER Translated title: Einfluss von plutonimfluoridhaltigen Flüssigsalzen (FLiBe, FLiNaBe) auf die Neutronenleistung im Peaceful Atomic Confined Explosion Reactor (PACER)

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      Kerntechnik
      Carl Hanser Verlag

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          Abstract

          In this paper, the effects of using FLiBe and FLiNaBe Molten Salts Bearing Plutonium Fluorides on the neutronic performance of the PACER are investigated. The optimum radial thickness for tritium self-sufficiency of the blankets addition of plutonium fluorides to FLiNaBe (LiF-/NaF BeF 2) and FLiBe (LiF-/BeF 2) of a dual purpose modified PACER concept are determined. The calculations are carried out with the one dimensional transport code XSDRNPM/SCALE5. The tritium breeding capacities of FLiNaBe and FLiBe with addition of plutonium fluorides in molten salt zone are investigated and compared. The optimum molten salt zone thickness is computed as 155 cm for tritium self-sufficiency of the blankets using FLiBe +1% PuF 4 whereas, the optimum thickness with FLiNaBe +1% PuF 4 is calculated as 170 cm. In addition, neutron transport calculations have been performed to evaluate the energy multiplication factor, total fission rate, displacement per atom and helium gas generation for optimal radial thickness in the blanket. Also, the tritium production and the radiation damage limits should be evaluated together in a fusion blanket for determining the optimum thickness of molten salt layer.

          Kurzfassung

          In sog. PACER-Reaktorkonzept wird durch (unterirdisch stattfindende) Explosionen Energie in Flüssigsalzen freigesetzt. Die Flüssigsalze geben diese Energie über einen Wärmetauscher an Wasser ab. Der so gewonnene Wasserdampf treibt die mit dem Generator verbundene Turbine an. Dabei fungieren die Flüssigsalze gleichzeitig als Kühlmittel und als Tritiumbrutzone. In diesem Beitrag wird der Einfluss des Zusatzes von Plutoniumfluoriden zu den Flüssigsalzen u.a. auf die selbsterhaltende Tritiumbrutkapazität untersucht. Die Berechnungen mit dem 1D-Programm XSDRNPM/SCALE5 bestimmen eine für eine selbsterhaltende Tritium-brutreaktion optimale Dicke der Flüssigsalzzone von 155 cm für die Mischung aus FLiBe +1% PuF 4 und eine optimal Dicke von 170 cm für die Mischung von FLiNaBe +1% PuF 4.

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          Most cited references12

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          Effects of spectral shifting in an inertial confinement fusion system

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            A Novel Fusion Power Concept Based on Molten-Salt Technology: PACER Revisted

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              A Realistic, Gradual and Economical Approach to Fusion Power

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                Author and article information

                Journal
                kt
                Kerntechnik
                Carl Hanser Verlag
                0932-3902
                2195-8580
                2012
                : 77
                : 6
                : 438-441
                Affiliations
                1 E-mail: adema@ 123456gazi.edu.tr Gazi University, Faculty of Technology, Department of Energy Systems Engineering, Teknikokullar – Ankara – Turkey
                Article
                KT110273
                10.3139/124.110273
                78022b76-7a60-46aa-85e3-f7baf2b245d4
                © 2012, Carl Hanser Verlag, München
                History
                : 22 May 2012
                Page count
                References: 24, Pages: 4
                Categories
                Technical Contributions/Fachbeiträge

                Materials technology,Materials for energy,Nuclear physics
                Materials technology, Materials for energy, Nuclear physics

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