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|Title:||Thermal diffusivity of homogeneous SBR MOX fuel with a burn-up of 35 MWd/kgHM|
|Authors:||COZZO Cedric; STAICU Dragos; PAGLIOSA Giorgio; PAPAIOANNOU Dimitrios; RONDINELLA Vincenzo; KONINGS Rudy; WALKER Clive; BARKER M.; HERVE P.|
|Citation:||JOURNAL OF NUCLEAR MATERIALS vol. 400 no. 3 p. 213-217|
|Publisher:||ELSEVIER SCIENCE BV|
|Type:||Articles in periodicals and books|
|Abstract:||The effect of burn-up on the thermal conductivity of homogeneous SBR MOX fuel is investigated and compared with standard UO2 LWR fuel. New thermal diffusivity results obtained on SBR MOX fuel with a pellet burn-up of 35 MWd/kgHM are reported. The thermal diffusivity measurements were carried out at three radial positions using a shielded ¿¿laser-flash¿ device and show that the thermal diffusivity increases from the pellet periphery to the centre. The fuel thermal conductivity was found to be in the same range as for UO2 of similar burn-up. The annealing behaviour was characterized in order to identify the degradation due to the out-of-pile auto-irradiation.|
|JRC Directorate:||Nuclear Safety and Security|
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