Event
- Event ID
- 98
- Quality
- Description
- A hydrogen leak occurred on a flange located on a pipe coming from the hydrogen storage tank. The staff was confined and the Internal Operation Plan was launched.
Helium was injected in the tank and an operator equipped with a breathing apparatus closed the valve between the tank and the leaking flange.
No one was injured and no damages occurred. - Event Initiating system
- Classification of the physical effects
- Unignited Hydrogen Release
- Nature of the consequences
- Leak No Ignition (No additional details provided)
- Macro-region
- Europe
- Country
- France
- Date
- Main component involved?
- Flange
- How was it involved?
- Leak & Formation Of A Flammable H2-Air Mixture
- Initiating cause
- Material Degradation (Generic)
- Root causes
- Unknown (No additional details provided)
- Root CAUSE analysis
- INITIATING cause was a leaking flange.
Facility
- Application
- Non-Road Vehicles
- Sub-application
- Aerospace
- Hydrogen supply chain stage
- Hydrogen Storage (No additional details provided)
- All components affected
- Production of space booster
- Location type
- Unknown
- Location description
- Industrial Area
- Operational condition
Emergency & Consequences
- Number of injured persons
- 0
- Number of fatalities
- 0
- Post-event summary
- A continuous monitoring is made during the night.
- Emergency action
- A controlled release was performed, able to reduce the pressure in th ecylinders from 20 bar to 1 bar. After which, the recovery operation could start.
Event Nature
- Release type
- gas
- Involved substances (% vol)
- H2 100%
- Release rate
- 0.01
- Presumed ignition source
- No ignition
References
- Reference & weblink
Original description of the event in ARIA
JRC assessment
- Sources categories
- ARIA
