Details of Design, Irradiation and Fission Gas Release for the Danish UO sub 2 -Zr Irradiation Test 022

摘要

Test 022 comprised three UO sub 2 -Zr test fuel pins which were irradiated in the DR 3 reactor at Risoe at 7.2 MPa (70 ato) system pressure. A burnup of approximately 3530 GJ/kg U (36,000 MWD/te UO sub 2 ) was accumulated at heat loads in the range 35 to 53 kW/m (350 to 530 W/cm) (test avg. values). Fission gas analysis for two of the pins showed that the releases were 48 and 36%. The experimental data are presented in sufficient detail for use in the validation of fuel performance codes. (Atomindex citation 10:441738)