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Why Does Wood Pop When Burning. As the trapped moisture heats up, it will. This same principle rings true when burning wet or moist firewood.
Hence, there will mostly be some moisture in the wood. The holes created by the insects will give the gasses an escape route. Although your piece of wood may look and feel quite dry, it definitely has some moisture locked inside of it.
These air pockets fill narrow passages within the wooden log. Unlike wood, water doesn’t convert into heat when burned. As the trapped moisture heats up, it will.
The holes created by the insects will give the gasses an escape route. As the wood burns the moisture is heated, and as the moisture is heated it expands and turns into gas. Once the gas pressure builds up it will create an energy burst with mini explosion.
As the gas escapes, the fire will emit an audible pop or crack. When the wood is burned, combustible gasses will be released. The popping noise occurs when air pockets in the wood are released.
Moisture content that is trapped within the wood can cause a fire to pop. Trapped moisture can also cause wood to pop and crackle from the creation of steam. Some will get stuck in the wood.
Although your piece of wood may look and feel quite dry, it definitely has some moisture locked inside of it. In basic terms, it has something to do with the combustion gases escaping from the wood. Firewood popping occurs when burning wood has a high moisture content.
