How much less efficient is a yellow gas flame than a blue one?
35 replies, posted
Doc yes or no, do you know the difference in efficiency between a natural gas and air flame burning blue or yellow or are going to help me find out?
[QUOTE=PonceDeLeon;19853068]Lets all pretend that a blue is hotter then yellow.
Just so everyone is happy
Put two candles next to each other. Place on finger on the yellow. Place other finger on other hand on the blue part of the other candle. See which pulls away faster.
There. Everyone is happy now :).
Now in return im probably going to get some stupid response like " Fingertips are different, and respond differently to heat, hurr hurr, blah blah"[/QUOTE]
But, fingertips are different, and respond differently to heat!
[editline]06:38PM[/editline]
[QUOTE=dryer-lint;19853142]Doc yes or no, do you know the difference in efficiency between a natural gas and air flame burning blue or yellow or are going to help me find out?[/QUOTE]
From what I can think. They burn with the same efficiency. One just burns faster.
[QUOTE=dryer-lint;19853142]Doc yes or no, do you know the difference in efficiency between a natural gas and air flame burning blue or yellow or are going to help me find out?[/QUOTE]
I do not.
[QUOTE=ashxu;19852289]i learnt this in science class ages ago :colbert:[/QUOTE]
Then be useful and tell him ya moron.
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Let's see... a little research on the Internet came up with...
[b]Color of fire in regard to its' temperature[/b] [Url=http://pslc.ws/fire/howwhy/flameco.htm]Source1[/url], [i](and I closed the tab accidently for the blue flame temperature. Google it yourself. Second Page I think..)[/i]
Dark Red (first visible glow) 500-500°C
Medium Red Glow 600-800°C
Bright Cherry Red 800-1000°C
Orange 1000-1200°C
Bright Yellow 1200-1300°C
Blue 1300-1400°C
White 1400-1600°C
The color of a flame is determined both by its' temperature AND the (ammount of) matter being combusted. For instance, burning a hydrocarbon (wood for instance) will typically burn from a low red to an orange, yellow, white, and blue all depending on the temperature. Albeit the temperature itself is determined by how much fuel you are providing it. Give a spark a lot of oxygen and you get a lot of fire. There are some materials however which burn different color spectrums though. Magnesium I think burns white and there's a gas I believe which burns an erie green. (There's also that Neon! which when combined with other noble gasses light up different colors.)
All in all... a Yellow flame and a blue flame can be roughly two thousand degrees apart. You can melt a lot more shit with 1,400 degrees of heat than you can with 1,200.
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