Simulation of TRAN B Experiments by Alumina Thermite Melt Injection (SIMBATH Out-of-Pile Experiments, TRAN Simulation B1/1, B1/3, B1/4)

摘要

The SIMBATH programme was initiated to investigate the physical phenomena of transient material movement and relocation during transient overpower (TOP) and loss of flow (LOF) driven TOP accidents in LMFBR's. The energy release during the accident is simulated out of pile by the reaction of a thermite mixture. Within the frame of comparing studies of the behaviour of fuel (UO/sub 2/) and the thermite melt (Al/sub 2/O/sub 3/+Fe) used, respectively, the TRAN B series was reproduced out of pile with this thermite. Special emphasis is given to the similarities and differences in the freezing behaviour of these two materials. The test results of the simulation experiments are analysed and reported. Additionally the tests were recalculated with the code PLUGM. Similarity is found with respect to the freezing behaviour of these two materials. (ERA citation 12:018331)