Thermal and stress analysis of window target for accelerator-drivenn sub-critical system during beam trip transients

摘要

The variation of spallation target temperature under beam trip (BT) transient conditions would induce thermal stress and become a threat to the integrity of the window target. In this paper, the thermal-hydraulics and thermal stress of ADS window target during beam trip transients were analyzed by CFD method. Furthermore, the performance of series target models with different window parameters has been investigated. The results show that the reference 1.5 mm beam window's acceptable beam trip fr