If you can suffocate a fire, you can extinguish it, so the pair set to work. They discovered that music is unsuitable — the sound waves it produces are inconsistent.
Since sound waves can move oxygen and fire through pressure from their vibrations, this specific frequency of sound wave works to separate the flame molecules from the surrounding oxygen, effectively starving the fire and snuffing out the flame.
Engineering students extinguish fire with sound – CNET
Answered 7 years ago · Author has 20.5K answers and 13.6M answer views. If the question is referring to the recent story of Students use sound waves to extinguish fire; They have indeed demonstrated that low frequency sound waves can sufficiently disruptive air molecules to put out a small fire, but to me, that’s more of a scaled up demonstration of a subwoofer "blowing" out a …
People Also Ask can sound extinguish fire
Could sound waves be used to extinguish fire?
Surely sound waves, just as the explosions (which are percussion waves) such as those used to extinguish oil well-head fires, could work. Considering that the ‘new’ way of describing the ‘fire triangle’ is the fire tetrahedron, this is conceivably possible.
Do sound waves disrupt the combustion process?
Sound waves can only be disruptive to the combustion process by reducing heat if it was of sufficient intensity – it can not remove the fuel source or the oxygen feeding it.
Can ultrasound be used as a tool against fires?
Previous attempts to use ultrasound as a tool against flames – including efforts by the U.S. Defense Advanced Research Projects Agency (DARPA) – had proven unsuccessful and the two students were met with skepticism from peers and faculty when choosing this as a research project.
What frequency do fire extinguishers use?
Specifically, bass frequencies between 30 and 60 Hz. While the concept of extinguishing flames with waves is not completely new, a handheld extinguisher had yet to be developed and mass-produced.
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Sound Fire Extinguisher Drops the Bass to Put Out Flames Video Answer
Reference:
https://www.usfa.fema.gov/
https://en.wikipedia.org/wiki/Fire_extinguisher