Considering a fire demands fuel and also oxygen and also heat to continue burning, is it possible to placed out a fire by lowering the ambient temperature below a specific point?
I am no a physicist, nor do I pat one ~ above TV. However I think the price is yes. IIRC, fire requires fuel, heat and oxygen, and the removed of any kind of one is sufficient to extinguish it. Yet I think you’d need a pretty short temp.
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Here us go: The Fire Triangle. Looks favor the best method of removing heat is, um, dousng the fire through water.
Again the plank ask what i wondered for ages yet didn’t stroked nerves asking myself.
So if a match was frozen, would it refuse come light? Or if you brought a burning candle from one room to another that was the same in all aspects except temperature, would it burn out more quickly?
I always assumed that when something to be alight, the burning would certainly probably heat up the rest of the unlit product as that approached and you’d continue to have actually combustion.
If a match were frozen, probably it would certainly break apart once you tried come strike it?
For a fire currently started, sounds prefer you need a radical fall in temp, not just the beginning of a cold snap.
Again the jajalger2018.org ask what i wondered for ages but didn’t bother asking myself.
So if a match was frozen, would certainly it refuse come light? Or if you carried a burn candle indigenous one room to one more that was the same in all facets except temperature, would certainly it burn out more quickly?
I always assumed that once something was alight, the burning would certainly probably warmth up the rest of the unlit product as that approached and also you’d proceed to have actually combustion.
for a enhance to ignite it has to go over its ignition temperature. It might have an coldness the the quantity of warm you supplied, choose through friction in striking, would not warm it above that point.
if the candle was lugged into a room i m sorry froze the molten wax and that in the wick climate it would certainly go out.
your assumption is correct for exactly how things remain burning.
Considering a fire demands fuel and also oxygen and also heat to proceed burning, is it possible to put out a fire by lowering the ambient temperature below a particular point?
if you removed enough heat it would certainly go out.
though how you remove heat in a handy sense likewise might affect another element. If you used water come cool a fire you would also deprive the fire of oxygen whereby the water is.
you can put a candle in a deep freezer through a video clip camera and an oxygen sensor and also if the candle went out while there to be still enough oxygen to support combustion then that would certainly be an answer.
Back in grad institution we hosted a superbowl party one January in Wisconsin. Us knew native a few weeks earlier that the charcoal grill simply would not stay lit once it to be bone-ass cold outside. So for the Superbowl party, we bought a party of oxygen from a welding shop, hooked up a regulator and set up a trickle-feed via a copper tube into the bottom the the charcoal.
We had great an obstacle NOT burn our food to a crisp.
I areas where forest fires are occasionally a difficulty the newscasters frequently say lower temperatures will aid suppress the fire. Ns don’t recall any kind of explanation.
I areas where forest fires are sometimes a problem the newscasters often say reduced temperatures will assist suppress the fire. Ns don’t recall any explanation.
forest fires space really the liquids and also solids of trees being turned right into a flammability vapor prior to it is burned. The takes power in the form of heat for the fire to be self sustaining. Much less of this takes place when the waiting temperature is lower because an ext heat has to come native the fire itself.
also in warmer temperatures any type of water in the vegetation could be less, this water has to be evaporated prior to the material deserve to burn.
When you blow on a complement or candle they go out. You are not depriving the fire that O2, favor with water however it tho goes out. You room cooling the fire listed below ignition temperature.
if you supplied water come cool a fire girlfriend would additionally deprive the fire the oxygen whereby the water is.
I went on a quick fire safety course in ~ the Heathrow airplane fire station. The firefighter who ran the theory session claimed that, contradictory to renowned belief, the main activity of dousing a fire v water was to reduced the temperature the the fuel and also not come exclude oxygen.
this object reminds me of how the economy of san Francisco to be stalled ~ the earthquake & fire since all the safes were red-hot and also due to your mass would certainly take a long time come cool. The file money within them was in perfectly great condition, however if the safes were opened and air let in, the fire triange would certainly be complete and the money would burst into flames.
I knew a “researcher” that was functioning on a proposal to use magnetic areas to inhibit/stop fires.
Forest Gump Voice : and thats every I have to say about that.
… the economic climate of mountain Francisco was stalled after ~ the earthquake & fire since all the safes to be red-hot and also due to their mass would certainly take a long time to cool. The paper money inside them remained in perfectly an excellent condition, however if the safes were opened and air allow in, the fire triange would certainly be complete and the money would burst right into flames.
I need to question this. Like most flammable substances, document has an auto-ignition temperature - the connect says something favor 450 degress F. Compare that to the temperature the red-hot steel, which this attach says is approximately 1000 degrees. And also if friend raise the temperature of record to anything favor that of red-hot steel, it will certainly decompose also if (say because of absence of oxygen) it can’t burn.
There’s also the allude that if you have a hot safe with an excellent money inside, girlfriend need merely pour water ~ above it until it cools sufficient to take care of - have to take at most an hour or so.
I need to question this.
How around fire-resistant safes? nothing they have ceramic layers/other instrument to somehow border what the internal temperature can acquire to because that a few hours the high outside temperatures?
If you open up the door, you unexpectedly raise the inside temperature above the autoignition temperature, and also BLAZE
you could put a candle in a deep freezer v a video clip camera and also an oxygen sensor and if the candle went out while there to be still enough oxygen come support combustion then that would be one answer.soot ~ above the roof of mine freezerrisk if setting refrigerants (usually flammable) ~ above fire - possibly explosively
One that those dont-try-this-at-home experiment eh?
So if a complement was frozen, would certainly it refuse come light? Or if you lugged a burning candle native one room to one more that was similar in all aspects except temperature, would that burn out much more quickly?
Would it? amazing question. Or would it burn less bright?should be straightforward to test though.
I’ve excellent fire fighting process in the past.
At one, our instructor pointed out fires in roading tar. Apparently a way they have the right to be turn off is by adding an ext tar. Making use of water is really messy and can muck increase the surface, even of the bits the aren’t ~ above fire. Girlfriend can’t remove the fuel, for this reason you mitigate the temperature by including cold tar.
As mentioned by ticker, water works for most fires through lowering the temperature that the fuel. Yet sometimes friend don’t want to use water because it needs to go somewhere as soon as it’s been squirted ~ above the fire and also you might not want it to. Also, periodically it will just bring the burn fuel far on top of it.
Breaking one side of the (heat, fuel, oxygen) triangle will certainly extinguish a fire.
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Yes, you can freeze out a fire. That is mainly what a CO2 extinguisher does. The result of the warm absorption is better than the oxygen deprivation from the dry ice cream snow, but both mechanisms space in play.