Flame Spectrum

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zelph
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Flame Spectrum

Post by zelph » Mon Mar 22, 2010 9:32 pm

cynar wrote:Thanks for the input.

I found this picture on Wikipedia while looking up ethyl alcohol. For you alcohol buffs, the ethanol flame spectrum:
Spiritusflamme_mit_spektrum.png
Nice photo (eye candy) :D

Which part of the flame is the hottest?
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Vibe
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Re: Foster's Premium Wood Stove

Post by Vibe » Tue Mar 23, 2010 12:18 pm

Blue is the hottest (highest energy wavelength)
The opinion of 10,000 men is of no value if none of them know anything about the subject.
- Marcus Aurelius--------------------------------------------- Image

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zelph
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Re: Foster's Premium Wood Stove

Post by zelph » Tue Mar 23, 2010 2:17 pm

Vibe wrote:Blue is the hottest (highest energy wavelength)
There is a small peak of dark blue at the center, above the black. Do you think that is hot hot.......hotter?
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Re: Foster's Premium Wood Stove

Post by Vibe » Tue Mar 23, 2010 3:11 pm

Image
I see the line at about 445nM which I'd guess is the hottest portion of the spectrum here. Infra-red is where heat starts - but ultra-Violet is found in welding arcs - REALLY hot.
The opinion of 10,000 men is of no value if none of them know anything about the subject.
- Marcus Aurelius--------------------------------------------- Image

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zelph
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Re: Foster's Premium Wood Stove

Post by zelph » Tue Mar 23, 2010 5:12 pm

Vibe wrote:Image
I see the line at about 445nM which I'd guess is the hottest portion of the spectrum here. Infra-red is where heat starts - but ultra-Violet is found in welding arcs - REALLY hot.
Image

Yes, I think that little dark area(about 1/4" long above the black area where it exits the nozzle) in the center might be the hottest. In reality it might be at the 445nm mark on your chart.
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ConnieD
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Re: Flame Spectrum

Post by ConnieD » Tue Mar 23, 2010 10:20 pm

I have seen them in that dark area, at the top. I have looked for a picture in Google photos hoping to show that color.

There are a lot of photos in Google photos! I grew tired.

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cynar
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Re: Flame Spectrum

Post by cynar » Tue Mar 23, 2010 10:55 pm

Thought I would upload that flame spectrum again so you all could enlarge it slightly, to see it better.
Spiritusflamme_mit_spektrum.png
Or maybe because I uploaded it, I'm able to click on it and make it slightly bigger?

NMS

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zelph
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Re: Flame Spectrum

Post by zelph » Wed Mar 24, 2010 10:20 am

Thank you cynar, making it clickable helps to see the dark blue area better when it's enlarged.
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zelph
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Re: Flame Spectrum

Post by zelph » Wed Mar 24, 2010 9:24 pm

Nice colors in there, purple shows up good. Thanks for sharing the photo. Wish we could check the temperature of the purple part.
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