Why Does Burning Wood Pop. Gases expand rapidly when heated. Trapped moisture can also cause wood to pop and crackle from the creation of steam.

At that time, the “popping. Some will get stuck in the wood. Gases expand rapidly when heated.
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Why Does Burning Wood Pop. Gases expand rapidly when heated. Trapped moisture can also cause wood to pop and crackle from the creation of steam.
At that time, the “popping. Some will get stuck in the wood. Gases expand rapidly when heated.
When the wood is burned, combustible gasses will be released. This same principle rings true when burning wet or moist firewood. Unlike wood, water doesn’t convert into heat when burned.
These air pockets fill narrow passages within the wooden log. Trapped moisture can also cause wood to pop and crackle from the creation of steam. The popping noise occurs when air pockets in the wood are released.
Once the gas pressure builds up it will create an energy burst with mini explosion. The sap/pitch liquifies, then vaporizes as the temperature increases. As the gas escapes, the fire will emit an audible pop or crack.
Once the fire burns the wood. Some will get stuck in the wood. As the wood heats up, the warmth penetrates deep into these pockets.
Firewood popping occurs when burning wood has a high moisture content. If you place a pot of water on the stove and activate the burner, it will evaporate as steam. In basic terms, it has something to do with the combustion gases escaping from the wood.