In a petrochemical industry seminar, a guy told about invisible fire (only heat can be felt) he said it’s very dangerous and has a lot of potential for burning. What chemic causes invisible fire? if fire is defined as the chemical reaction that produces heat and light, how is it invisible?
In: Chemistry
It quite literally is a flame that emits little or no visible light. You say Fire is a chemical reaction that releases heat, or light, but it realeses energy and gas, which “most” of the time the energy is the heat you are used to, and the energy can be what you see as well.
The energy that is released that you see are photons in a wavelength.
There is something you may have seen called “The Wavelength of Visible Light” now there’s a reason it’s called “Visible Light” as there are plenty of wavelengths of light that are not visible to us. The invisible fire they reference are most likely creating wavelengths of those lights.
They can be talking about the example of invisible fire which is a gas fire. When certain gases burn, such as natural gas or propane, the flames may be nearly invisible or have a very faint blue color. This can make the fire difficult to detect visually, especially in well-lit environments or during daylight.
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