Abbreviations and acronyms
The event tree: a risk analysis method

Dangerous event: Dangerous event at the center of a bow tie. In the study, the main FEs are loss of containment for capacity

RDE: secondary dread event: direct consequence of the dread event, the secondary dread event characterizes the source term of the accident.

PFD: Probability of Failure on Demand.

PhD: dangerous phenomenon: physical phenomenon that can cause damage to people, property or the environment.

UVCE/VCE: Unconfined Vapour Cloud Explosion/Vapor Cloud Explosion: term used to designate the same phenomenon in the present study — ignition of a gas cloud with overpressure effects and flash fire thermal effects.