Abstract
One of the topics for the phase 2 of GTR13(HFCV) activity is the study of an appropriate burst pressure of tanks. For this study, we evaluated any degradation and variability of the burst pressure due to hydraulic sequential tests on 70MPa compressed-hydrogen tanks. When the burst pressure after the hydraulic sequential testing was compared with the initial burst pressure, the pressure proved to have dropped by a few percent while the variation increased, and the main factor for the increase in the burst pressure variation was considered to be the drop test comprising the sequential tests.
