When we start a fire in our woodstove, there is often a short, quick “woosh” when the tinder or kindling catch. Then there are the regular crackles and pops of moisture and sap burning, and the settling of the woodstove and stovepipe as they heat up. But I don’t know why it wooshes.
In: Physics
When wood or other organics burn, there is typically a lot of water/tar/gas that gets blasted out of the wood before burning in the air. This is happening constantly but when a lot of wood suddenly ignites it is especially noisy.
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