Would a Complete combustion flame breath cause more destruction than a Incomplete combustion flame breath?

That title is really long... but the essence of this question is basically asking whether a complete combustion flame would be more destructive(burn things faster? and spread faster?) than a incomplete combustion flame?

Say if a dragon, any dragon, doesn't matter in this case decided to wipe a village off the map with its Flame breath.

It can produce a complete combustion flame breath (Blue and is of a higher temperature usually) or a incomplete combustion flame breath (the usual red-orangey flame and is usually of a lower temperature than the complete one) assume it won't move its head around as well, it starts it flame breath on one point and ends it there.

Thus, which one would be able to burn and spread through a presumely nice flammable target(it can be a village or forest for all I care) better?

I'm assuming that the complete combustion flame breath would be like holding a Bunsen burner sideways. It would probably be like a really really big jet engine, so it would probably produce a very long swath of blackened ground. So I guess it spread would be quite bad?

This question was inspired when a fantasy book stated that a complete combustion fireball(thus it's a blue fireball) dwarfed the damage a normal fireball (orange,red and yellowy fireball) could do.

No, the fires are not liquid based. Assume the dragon makes some flammable gas, nevermind, I have no idea how it would work anyway.

posted about 8 years ago

Skye‭

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