The chemical reaction that occurs when wood is burning is an oxidation reaction. Wood is composed of cellulose, which is a polymer made up of chains of glucose C 6 H 12 O 6 molecules.
When it combines with oxygen from the air, the exothermic reaction releases carbon dioxide and water vapor, as well as energy in the form of heat and light. The chemical equation for wood combustion is:. During this process, the wood isn't burning.
The wood is sublimating changing state from solid to gas , and the gases produce the flames. If the temperature isn't high enough to ignite the gases, they dissipate — together with unburnt wood particles — as smoke. Wood isn't as solid as it looks.
It's filled with microscopic cells with walls made of cellulose, which is the substance that sublimates during combustion. We use cookies on our website to give you the most relevant experience by remembering your preferences and repeat visits. Do not sell my personal information. Manage consent. Close Privacy Overview This website uses cookies to improve your experience while you navigate through the website. Out of these, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website.
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It does not store any personal data. Functional Functional. Functional cookies help to perform certain functionalities like sharing the content of the website on social media platforms, collect feedbacks, and other third-party features. It is when this cracking, shifting, and in most cases, bursting occurs that you hear the loud popping noise.
Keep in mind, this is all happening in a micro level. So, from your point of view all you will likely see is maybe a tiny amount of movement from the wood that has been placed inside the fire, as well as a popping noise.
But on a micro level, pressure is building inside the wood to appoint the wood is no longer able to withstand. It is when the wood gives, and the pressure releases when you hear the snap, crackle, or pop coming from the fire. If you dislike the popping noise that comes from the fire be sure to use dry, well-seasoned wood. Meaning, would that has had enough time to dry out that moisture no longer exists on the inside or outside of the wood.
I hope you were able to find some value here. There you will learn much more surrounding the topics of: how to build a campfire, as well as how to maintain, and extinguish a campfire safely.
Along with Campfire Gear recommendations of only gear we personally use. I hope you found all you were looking for! Good luck on your next outing, and always remember to enjoy what nature has to offer! I may not look it, as I am often seen as the only guy wearing Jeans Hiking on a hot summer day.
But I can honestly say there is no place I like to be more than out in the Backcountry exploring the landscape around! How you build your campfire, as well as your elevation, can impact how much oxygen is available. As the fire is burning, the heat causes the wood to decompose. As the wood is decomposing, the cellulose within it heats up and breaks down.
Any moisture in the wood, whether water or sap, is caught in pockets of cellulose. As these pockets of moisture heat up, they turn into steam, the gaseous form of water.
This steam exerts pressure on surrounding wood, and as pressure builds, it cracks the wood to release the steam, which creates the popping sound. How much a campfire pops depends upon a few factors, such as the moisture content of the wood, the age of firewood used, and how you build your fire. The moisture content of the wood is the number one indicator of whether your fire will pop frequently. The more moisture present in the wood, the more popping you will hear. The age of wood you use will significantly impact your fire, as wood that is green or freshly cut has a higher moisture content than wood that has been cured.
Building a campfire with oxygen flow and location in mind can also significantly impact the level of popping you hear. The water and sap in the wood turn into gas, creating pressure that cracks the wood when released.
There are two things to consider when it comes to why you may want to minimize popping in your campfire. Campfire popping affects the efficiency and longevity of your fire as well as its safety. A fire built with high moisture content wood will not burn as efficiently as a campfire made of dried wood. The moist wood will be harder to get burning and will be harder to keep burning. When a campfire makes a popping sound, you can often see sparks flying. Sometimes these sparks are minimal, and other times they are larger.
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