Thermal Diffusivity Of Homogeneous SBR MOX Fuel with a Burn-up of 35 MWd/kgHM
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. Comparison shows that the thermal conductivity is in the same
range than of UO2 of similar burn-up. The annealing behaviour was characterized in order to
identify the degradation due to the out-of pile auto-irradiation.
STAICU Dragos;
PAGLIOSA Giorgio;
PAPAIOANNOU Dimitrios;
RONDINELLA Vincenzo;
COZZO Cedric;
KONINGS Rudy;
WALKER Clive;
BARKER M.;
WESTON R.;
2007-10-16
Omnipress
JRC40842
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