Overview
- The framework unifies thermal, structural, fatigue, and drop-impact analyses and is paired with a cryogenic materials database for future designs.
- A vapor-cooled shield cut the boil-off rate by about 30% in simulations and 15% in experiments, with the gap attributed to model simplifications.
- Finite-element and drop-impact studies repeatedly flagged connecting pipes and supporters as the most vulnerable components under UAV operating loads.
- Fatigue performance surpassed ISO 21029-1’s 10,000-cycle requirement, indicating effectively unlimited life within the study’s parameters.
- The Seoul National University of Science and Technology study, supported by KIMS testing, is published in the International Journal of Hydrogen Energy (DOI: 10.1016/j.ijhydene.2025.06.042).