Event
- Event ID
- 361
- Quality
- Description
- A full liquid hydrogen tanker was parked off highway to permit drivers to eat and switch seats. While at site, high pressure caused safety devices to function. No fire or damage.
[Ordin, NASA (1974)] - Event Initiating system
- Classification of the physical effects
- Unignited Hydrogen Release
- Nature of the consequences
- Leak No Ignition (No additional details provided)
- Macro-region
- North America
- Country
- United States
- Date
- -
- Main component involved?
- Prd (Burst Disc)
- How was it involved?
- Correct Activation
- Initiating cause
- Over-Pressurisation (Excessive Boil-Off)
- Root causes
- Root CAUSE analysis
- INITIATING CAUSE: disc malfunction, although outer vacuum appeared to be deteriorating. A new disc was installed and the trip continued.
ROOT or CONTRIBUTION CAUSE
Unclear what the pressure increased was caused by.
Facility
- Application
- Hydrogen Transport And Distribution
- Sub-application
- LH2 tanker
- Hydrogen supply chain stage
- Hydrogen Transport (No additional details provided)
- All components affected
- burst disc
- Location type
- Open
- Operational condition
Emergency & Consequences
- Number of injured persons
- 0
- Number of fatalities
- 0
- Property loss (onsite)
- 0
Event Nature
- Release type
- gas
- Involved substances (% vol)
- H2 100%
- Presumed ignition source
- No ignition
References
- Reference & weblink
Mishap no 9 in <br />
P. L. Ordin, Review of hydrogen accidents and incidents in NASA operations, 1974, NASA TM X-71565<br />
https://ntrs.nasa.gov/citations/19740020344
JRC assessment
- Sources categories
- ORDIN