Properties and Hazards of Hydrogen

1h 0m

This course is available in Spanish.

This course describes fundamental properties of hydrogen, compares those properties to other fuels, and describes specific hazards to be addressed with hydrogen systems.

What You'll Learn

Gaseous and liquid hydrogen's characteristics and behaviors
The differences and similarities of hydrogen and conventional fuels
Hazards associated with hydrogen

Who Should Attend

This course is intended for everyone.

Outline

Module 1: Properties of Gaseous Hydrogen
- Properties of Gaseous Hydrogen
- Weight/Buoyancy
- Size/Diffusion
- Energy
- Embrittlement
- Asphyxiant
- Flammability
- Gaseous Hydrogen Metrics
Module 2: Properties of Liquid Hydrogen
- Properties of Liquid Hydrogen
- Cryogenic Liquid Hydrogen
- Liquid Hydrogen Hazards
Module 3: Comparing Hydrogen to Other Fuels
- Comparing Hydrogen to Other Fuels
- Hydrocarbon Fuels
- Hydrogen Compared to Other Common Fuels
- Toxicity
- Flammability
- Vapor Density / Buoyancy
- Leaks
- Energy
- Color / Odor
- Autoignition Temperature
- Burning Velocity
- Metal Embrittlement
Module 4: Hydrogen Hazards
- Types of Hydrogen Hazards
- Hydrogen Gas Leaks
- Hydrogen Gas Flammability and Ignition
- Hydrogen Ignition Sources
- Hydrogen Flames
- Incident: Fire at a Hydrogen Fueling Station
- Hydrogen Explosions
- Types of Hydrogen Explosions
- Unignited Release
- Ignited Release
- Example: Hydrogen Complex Hydrogen Explosion - Ignited Release
- Deflagration and Detonation
- Incident: Hydrogen Tank Leak, Fire, and Explosion - Unignited Release
- Liquid Hydrogen - Additional Concerns
- Characteristics of Liquid Hydrogen Leaks