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Fuel Assembly (FA) No.Å-0325 was operated in the first unit of Zaporozskaya NPP (Ukraine) during the fuel cycles 4-8 (VVER-1000). It was irradiated for 1142.1 effective days, to a burnup of 48.9 MWd/kgU on average for the whole FA and of 51.3 MWd/kgU in the "hottest" fuel rod. The maximum local linear power in a fuel rod was 290 W/cm. The average linear power for the whole operational period of FA varied within the limits of 71-266 W/cm. The operational conditions of FA corresponded to the four-years fuel cycle, both on duration of the operation and burnup of the fuel. After the base irradiation, the FA N. E-0325 was subjected to PIE in the hot cells of SSC NIIAR (Russian Federation).
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The experimental results from PIE were supplied by:
A. Smirnov and B. Kanashov
NIIAR Research Institute of Atomic Reactors
433510, Dimitrovgrad, Uljanovsk region
The irradiation history files were supplied by:
V. Onoufriev and F. Sokolov
Division of Nuclear Fuel Cycle and Waste Management
P.O. Box 100
Compilation and analyses:
Institute for Nuclear Research and Nuclear Energy
Bulgarian Academy of Science
Tzarigradsko Shaussee 72
Review: J.A. Turnbull and Grigori Khvostov
Keywords: VVER type reactor, experimental data, fuel elements, fuel rods.