3 ms·
Depending on the temperature of the object there will be a characteristic distribution of wavelengths. It's tricky because a hot object will only radiate specif
by zwieback 4y ago
Depending on the temperature of the object there will be a characteristic distribution of wavelengths. It's tricky because a hot object will only radiate specific wavelengths, based on how the heat is generated.
That's why the concept of a black body, an idealized thing that radiates a continuous spectrum is used to reason about heat transfer from radiation.
Bottom line, there's no single wavelength that carries most heat, it depends on how the heat is generated, what the emissivity of the generating body is and what the absorption of the receiving surface is.
- samstave 4y agoSo you can tune a body to the emitting source, if it is understood - thus revealing stealth capabilities if you know the radar emission freq? How much is geometry vs material science? We know that anachoic chambers have pyramid-ic structures of foam. So I propose the most stealthy paint would be tiny pyramids of aero-graphene in a spray with a carbon based paint, such that the pyrs absorb bot heat and sound and radio waves.