Timeline for Fighting wild fires with sub zero air
Current License: CC BY-SA 4.0
4 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Feb 6, 2020 at 19:40 | comment | added | Oscar Bravo | @JKB Nitrogen would put it out. So would any not-very-reactive gas. Fire needs three things: fuel, $O_2$ and ignition temp. You first have to cut off the oxygen to stop the combustion reaction and then cool the fuel below the ignition point so that it doesn't flare up again when the $O_2$ comes back. That's how $CO_2$ extinguishers work. | |
| Feb 6, 2020 at 14:21 | comment | added | JKB | No, I suppose the combustion drives the air flow cycle and thats too powerful to 'reverse' . | |
| Feb 6, 2020 at 14:15 | comment | added | JKB | Say you used just nitrogen gas just above evaporation, its density would be a multiple of the air at combustion and would quantitatively reduce temperature if you directed it near actual combustion | |
| Feb 6, 2020 at 13:56 | history | answered | Oscar Bravo | CC BY-SA 4.0 |