Hydrogen Flame Broom Test NASA

Kredit:

https://spinoff.nasa.gov/spinoff1997/ps1.html

Shortlink:

https://dkwiki.dk/b/58345

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Wikimedia Commons

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Firefighters responding to a hydrogen fire have used "the broom test" to find the fire. This involves carefully probing the suspect area with a corn straw broom to determine the presence and location of a fire. This technique has significant safety and accuracy shortfalls, particularly in windy outdoor conditions where flames can easily change direction.

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Public domain