Hydrogen & Alternative
Fuels Hazards
Fire Technology Services
A simulated automobile hydrogen leak is ignited inside an engine compartment.
High-speed photography of a
hydrogen cylinder
explosion
View SwRI Fire Technology Department's Dynamics of Fire streaming video (Approx. 17 minutes. Requires Windows Media® Player 6.4+ for PC or 7.01+ for Macintosh)
The diversity and abundance of fire research programs by Southwest Research Institute (SwRI) put us in a unique position to provide the highest quality research associated with:
- Alternative fuels
- Gases
- Vapors
SwRI employs an experienced, multifaceted professional staff as well as a support staff well- versed in:
- Construction
- Machining
- Electronics
- Gas analysis
- Instrumentation
Fire Technology Resources
- Large- and small-scale fire research facilities
- Explosive and propellant test ranges
- Vapor and dust explosion facilities
- Computer modeling software
Standard Fire Testing Methods Development
SwRI assisted the Department of Transportation in the development of the Federal Motor Vehicle Safety Standard FMVSS 304, Compressed Natural Gas Fuel Container Integrity. SwRI has continued to assist organizations in developing test methods and performing tests for commercial clients to standards including:
-
FMVSS 304, ISO 11439, NGV-2
Compressed Natural Gas Fuel Container Evaluations -
ISO 15869, HGV
Gaseous Hydrogen and Hydrogen Blends (Compressed) Vehicle Fuel Tank Evaluations -
Liquid hydrogen storage tank evaluations
-
ISO 16111
Hydrogen Absorbed in Reversible Metal Hydride -
33CFR154, MSC/Circ.677, ASTM F 1273, UL 525, UL 1111
Deflagration, Detonation, End of Line, and Tank Vent Flame Arrester Evaluations -
GMN5354TP, E85 (Ethanol/Gasoline Blend)
Fuel System Flame Arresting Capability
Explosion Evaluation and Mitigation
SwRI is experienced in assessing how miscellaneous assemblies or structures are affected by explosions and various fires such as:
- Hydrogen
- Ammonia
- Natural gas
- Propane
- Flammable chemical release fires
Distribution and dispersion of flammable gases and vapors, time to ignition, heat release rate, blast pressures and damage, etc., can all be measured ranging from small-scale samples to entire mock-up structures. Similar research programs can be developed to analyze the hazards associated with the storage and release of small to large quantities of oxidizing chemicals. Ventilation, passive and active fire protection, and ignition prevention techniques can be developed and tested for their effectiveness on an extensive variety of hazards.
Fires, Blasts, and Explosions
Infrared view of underhood hydrogen dispersion ignition
SwRI has extensive facilities to simulate and measure small- to large-scale fires, blasts, and explosions. Storage facilities can contain thousands of gallons of various liquid fuels, vaporizers for the rapid release of liquefied gases, 2,000 gallons of propane storage, and a 50,000 standard cubic foot hydrogen trailer.
An explosion containment facility allows cost-effective performance of moderate-level explosion research programs. A remote test site allows the safe simulation of severe explosive events. Blasts can be measured and viewed with an extensive array of equipment:
- High-speed blast pressures and sound levels up to 100 kHz
- High-speed strain and acceleration up to 100 kHz
- High-speed color video in excess of 3,000 frames per second
- Infrared and ultraviolet imaging
- Hundreds of temperature, pressure, radiation, and miscellaneous measurements at 10 Hz
Previous Alternative Fuel Hazard Research Programs
SwRI has performed extensive research programs and published research papers evaluating hazards associated with alternative fuels, including:
- Induced Catastrophic Failure Analysis of a 5000 psig Type IV Hydrogen Cylinder (papers available through MVFRI and SAE)
- Ignition of Underbody and Engine Compartment Hydrogen Releases (papers available through MVFRI and SAE)
- Vehicle Bonfire to Induce Catastrophic Failure of an Installed Hydrogen Cylinder (papers available through MVFRI and SAE)
- E-Diesel Fuel Tank Flame Arrester Evaluation [paper available through the National Renewable Energy Laboratory (NREL)]
- Dozens of proprietary programs for commercial clients evaluating the fire hazards associated with alternative fuels in vehicles and structures
Explosion Mitigation
Once fire and explosion hazards have been adequately characterized, steps must be taken to reduce the likelihood of catastrophic events. The following services are available:
- Active and passive fire protection material design and testing
- Deflagration and detonation flame arrester evaluations
- Explosion venting modeling and testing
- Passive and reactive armor testing
Hazardous Material Storage and Transportation
SwRI performs testing in accordance with the United Nations’ Recommendations on the Transport of Dangerous Goods—Manual of Tests and Criteria. Testing includes:
- Classification for explosives (Class 1)
- Flammable liquids (Class 3)
- Flammable/self-heating solids (Class 4)
- Oxidizing substances (Class 5)
- Ammonium nitrate fertilizers (Class 9)
Additional testing includes evaluations of:
- Self-accelerating decomposition temperatures
- Deflagration/detonation propagation
- Deflagration/detonation inside packaging
- Heating and explosions under confinement
- Explosive power
Related Terminology
code compliance • engineering design • fire and explosion investigations • fire resistance • fire testing laboratory • material flammability • product development • risk and hazards • suppression • third party certification
