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Research Papers

Innovation of Irradiation Equipment at the LVR-15 Nuclear Research Reactor

[+] Author and Article Information
Zdena Lahodová

Research Centre Řež Ltd.,
Husinec-130, Řež 250 68, Czech Republic
e-mail: zdena.lahodova@cvrez.cz

Witolda Soukupová

ÚJV Řež, a. s., Husinec-130, Řež 250 68, Czech Republic
e-mail: witolda.soukupova@ujv.cz

Michal Koleška

Research Centre Řež Ltd.,
Husinec-130, Řež 250 68, Czech Republic
e-mail: michal.koleska@cvrez.cz

Jaroslav Ernest

Research Centre Řež Ltd.,
Husinec-130, Řež 250 68, Czech Republic
e-mail: jaroslav.ernest@cvrez.cz

Jelena Zmítková

Research Centre Řež Ltd.,
Husinec-130, Řež 250 68, Czech Republic
e-mail: jelena.zmitkova@cvrez.cz

Manuscript received September 24, 2015; final manuscript received January 22, 2016; published online December 20, 2016. Assoc. Editor: Rosa Maria Montereali.

ASME J of Nuclear Rad Sci 3(1), 011018 (Dec 20, 2016) (6 pages) Paper No: NERS-15-1193; doi: 10.1115/1.4032599 History: Received September 24, 2015; Accepted January 22, 2016

This paper describes the design and use of a new irradiation facility for the LVR-15 nuclear research reactor. The CHOUCA MT irradiation rig was produced in France according to a design of the ÚJV Group (ÚJV Řež and Research Center Řež). There are six heating sections situated along the rig, each instrumented and controlled by its own thermocouple. The rig’s insulation layers ensure a balanced temperature in irradiated specimens along its entire length. The specimen holder is 55.9 mm in diameter and 320 mm long. The CHOUCA MT rig can be repetitively irradiated in different positions within the reactor core, depending on irradiation condition requirements. The CHOUCA MT rig expands the possibilities of radiation research in the ÚJV Group.

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References

Figures

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Fig. 1

Cross section of the LVR-15 research reactor

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Fig. 2

Cross section of the reactor core with positions suitable for irradiation of the CHOUCA MT rig

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Fig. 3

Specimen carrier and the CHOUCA MT rig

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Fig. 4

Calculated neutron spectrum

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Fig. 5

Neutron fluence distribution at position B1

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Fig. 6

Design geometry and calculation mesh

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Fig. 7

Temperature field in the central cross section of the rig

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Fig. 8

Temperature field in the lowest (bottom) cross section of the rig

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