Fortune Telling Collection - Ziwei fortune-telling - Which part of the candle is the brightest?
Which part of the candle is the brightest?
Candle flame has three layers, which are flame center, inner flame and outer flame from inside to outside. The center of the flame is mainly the candle steam with the lowest temperature. The internal flame paraffin is not fully burned, and the temperature is higher than that of the flame center, because some carbon particles are burned. The flame is the brightest; The outer flame is in full contact with air, and the temperature is the highest.
The outer flame, because there are some carbon particles, is the brightest. The outer flame is in full contact with the air and has the highest temperature.
Extended data:
The candle burning we see is not the burning of paraffin solid, but the ignition device ignites the cotton core, and the heat released makes the paraffin solid melt and vaporize again, generating paraffin vapor, which is flammable.
When you blow out the candle, you can see a wisp of white smoke. Igniting this wisp of white smoke with a burning match can rekindle the candle, so it can be proved that white smoke is a solid fine particle produced by the freezing of paraffin vapor.
After special treatment, some emergency boxes have emergency lights, but most Japanese emergency boxes have candles. This is because the specially treated candles are not afraid of the influence of humidity and have reliable quality. In addition to lighting, they can also be used as kindling to judge oxygen content. This specially treated candle can burn continuously for about 4 hours, which is longer than the lighting time provided by most emergency lights.
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