Friday, January 22, 2010
Hydrogen Safety Part IV
The Hindenburg
The fire that destroyed the Hindenburg in 1937 gave hydrogen a
misleading reputation. Hydrogen was used to keep the airship
buoyant and was initially blamed for the disaster. An investigation
by Addison Bain in the 1990s provided evidence that the airship's
fabric envelope was coated with reactive chemicals, similar to
solid rocket fuel, and was easily ignitable by an electrical
discharge. The Zeppelin Company, builder of the Hindenburg,
has since confirmed that the flammable, doped outer cover is to
be blamed for the fire.
Hydrogen Codes and Standards
Codes and standards help dictate safe building and installation
practices. Today, hydrogen components must follow strict guidelines
and undergo third party testing for safety and structural integrity.
Summary
Industry has developed new safety designs and equipment because
hydrogen's properties and behavior are different than the fuels we
use now. Hydrogen will make us re-think operating practices already
in place for gaseous and liquid fuels. Education of those differences
is the key enabler to making hydrogen a consumer-handled fuel
that we use safely and responsibly.
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