New Fire Extinguisher Puts Out Fire With Nothing But Sound

FireExtinguisher
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Firefighters may be snuffing blazes with deep-toned sound, if a new device invented by two engineering students in Fairfax, Virginia, catches on. The video was recently released by George Mason University and it shows students demonstrating their new device that they say puts out fire with nothing but sound.

Seth Robertson and Vet Tran are both senior engineering students at the university and you can rest assured you will be hearing their name a lot more if this device becomes mainstream and is used to fight fires.

”Engineering is all about finding a way to make the impossible possible.” – Seth Robertson

Wave Extinguisher

The idea of using sound waves to quench a fire is not new at all. The US Defense Advanced Research Projects Agency (DARPA) has tested the idea before. However, Tran and Robertson are the first ones who have turned the principle into a practical device.

So How can sound waves put out a fire?

Some of you might be familiar with experiencing dub music not only with your ears but also with your body. For those who are into deep bass sounds would know; if your chest ain’t rattling, it’s not happening, right? That is basically how the innovation of these young engineers works. Just with a little bit of difference; the portable gadget they have designed focuses the sound waves in a specific direction instead of spreading them.

Above all, sound waves have the ability to manipulate both oxygen and burning material. If these two gets separated, the fire dies away. In other words, a sound wave is a type of pressure wave. Pressure wave will remove oxygen from air molecules. Given that oxygen is the main fuel for the fire, this will allow you to eliminate it. Surely the study behind the invention went through a few ‘failed frequencies’. By testing out different frequencies, Tran and Robertson founnd out that high-pitched tones were ineffective on flames. They came to the realization that it is all about low-frequency bass sounds between 30 and 60 Hz. Therefore, deep bass tunes of hip hop, dub, dubstep, d&b, trap or grime would also work on flames.

The device is consisted of an amplifier and a cardboard collimator to focus the sound. The duo’s final prototype cost them only about $600 to develop the 9 kg device.

Seth Robertson and Viet Tran are still working on the development of the device for it to be effective on a larger scale, for example, to help extinguish forest fires. Even if they initially envisaged their invention to be used on small fires such as grease fires on stovetops, their mechanism has a potential to be combined with many different systems as well. Hopefully, they will find a way to address the issue and will create a great anti-fire system.

Would you like to have such an extinguisher in your kitchen? Should we have it in health institutions?

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Fighting Fire With Bass

Source used interestingengineering.com

Kash Khan

Kash Khan

Kash Khan is the founder of Educate Inspire Change (EIC). Since 2012 he has focused on on inspiring and educating others in order to improve their consciousness and connect to their true selves.

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Kash Khan

Kash Khan

Kash Khan is the creator of Educate Inspire Change(EIC). He founded EIC in 2012 to help keep people informed, to encourage people to expand their consciousness and to inspire people to reach for their dreams.
Since 2019 he has been going through the most transformative period of his life working with Sacred Plant Medicines out of Costa Rica and is now focusing much more on creating conscious content with the sole purpose of giving people more self-awareness so that they can heal mind, body & spirit and live a full life of meaning and purpose.

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