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Sep 7, 2023 9:38 AM
#1
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Dec 2015
18
Hello,

I read a post (can't find it back sadly) end of 2021/begining of 2022, where someone was really happy about the studio animating the color variations of Rudy's fireball during his fight VS Orsted. He said it followed a scientific principle and posted a graphic with it.

Sadly I don't remember that principle name and my browser history doesn't go that far.

Does it ring a bell to anyone ?

Thanks in advance
Sep 7, 2023 9:57 AM
#2

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Feb 2014
1604
Looking for Wien's displacement?

Machy

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Sep 7, 2023 10:00 AM
#3
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Dec 2015
18
machy871 said:
Looking for Wien's displacement?

Exactly !
Thanks mate :D
Sep 7, 2023 10:02 AM
#4
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Jan 2022
962
I remember a flame dyeing experiment in chemistry, where you heat up different salts whith each having different ions in them and they all emitate one kind of radiation energy and therefore light up in red, blue, purple, golden, green or gold colour.

Hope I could help. Idk if you mean this principle .
Sep 7, 2023 10:25 AM
#5
Offline
Dec 2015
18
Reply to Ripperdoc
I remember a flame dyeing experiment in chemistry, where you heat up different salts whith each having different ions in them and they all emitate one kind of radiation energy and therefore light up in red, blue, purple, golden, green or gold colour.

Hope I could help. Idk if you mean this principle .
@Ripperdoc

I was looking for Wien's displacement law

Thank you ^.^
Sep 7, 2023 4:56 PM
#6

Online
Jul 2015
13142
Flames turn blue because they are hit enough to combust hydrocarbons like natural gases.

Sep 14, 2023 9:42 PM
#7
Offline
Apr 2023
7
Wien's displacement law establishes a connection between the temperature of a black body and the most common wavelength of light it emits. this isn't quite what's happening in the show.

a black bodies are things like stars, I think fire emits light in a different way. that is to say: black body radiation is applicable to fire (and everything), but it is highly debatable weather the light is coming from that or from, let's say excess energy from then chemical reaction.

there is no pink or purple light, if I recall; pink is what our brain experiences when it sees blue and red light simultaneously.

if you look at planc curves in relation to temperature, you see that the amount of light always increases in all wavelengths as temperature increases. that's to say, assuming the colour of a fire is 100% the result of black body radiation, we wouldn't see blue or any of that at really really high temperatures, only white, and a lot of it.


Wien's law: Temperature and wavelength are inversely correlated through Wien's constant.

total effect of light given off by something through black body radiation: temperature cubed times area of the object, don't remember name of constant.

also planc curves hihi

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It’s time to ditch the text file.
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