Answer (1 of 4): 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 o…
When a Class B fire sparks, extinguish it by smothering the flames. Oppressing the fire eliminates the oxygen feeding the flames, and, thereby, deadens the fire. Dry chemicals, like ammonium phosphate or pressurized carbon dioxide are effective means to extinguish a Class B fire. Never attempt to extinguish a Class B fire with water.
Can you extinguish a fire using sound waves? – Quora
Kim, the answer is yes. Maybe. Back in 2015, two college students from George Mason University in Virginia developed a basic prototype sound wave blaster that put out fires. It was designed to …
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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.
How does a fire extinguisher work?
Fire extinguishers contain chemical agents that absorb the flames’ heat, cuts oxygen to the fire and effectively smothers the fire. Homes and restaurants should be equipped with fire extinguishers; and, all those working in the kitchen should learn how to use the fire extinguisher.
How do you extinguish a Class B fire?
Oppressing the fire eliminates the oxygen feeding the flames, and, thereby, deadens the fire. Dry chemicals, like ammonium phosphate or pressurized carbon dioxide are effective means to extinguish a Class B fire.
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Is it possible to be use supersonic sound waves to put out fires? | Why Guy Video Answer
Reference:
https://www.usfa.fema.gov/
https://en.wikipedia.org/wiki/Fire_extinguisher