Category: Fire Science
Smoke
Smoke is a mixture of airborne solids (soot, fibers, dust), liquid particles (hydrocarbons, water), and gases (like CO, HCN, and other toxic gases), often produced by pyrolysis or combustion reactions. Firefighters must understand the properties of smoke to assess fire situations effectively. Buoyancy Buoyancy is the upward force applied to a mass that has a…
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Flashover in Firefighting
Learn about flashover in firefighting – its causes, warning signs, dangers, and prevention tactics. Stay informed on modern home hazards and firefighter safety. What is Flashover? Flashover is a phenomenon in which a fire rapidly spreads, engulfing an entire room. This occurs when flammable materials in the room decompose due to heat, releasing combustible gases…
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Interaction of Heat and Steam in Firefighting
Interaction of Heat and Steam in Firefighting: Learn about steam expansion, water application, and firefighter safety. When dealing with fires, it’s essential to know how much water to apply and its effects. Incorrect application can lead to negative consequences. Firstly, it’s crucial to recognize the expansion rate of steam. One liter of water converts to…
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Backdraft
What is a Backdraft? A backdraft occurs when a fire has depleted the oxygen in an enclosed space, and opening a door or breaking a window allows a sudden influx of oxygen, causing an explosive burst of flames. Difference Between Flashover and Backdrafts The key difference between a flashover and a backdraft lies in the…
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Fire characteristics
Understanding fire characteristics is essential for effective firefighting. Develop strategies based on this knowledge and apply them on site. If you don’t know how a fire starts, you won’t know how to extinguish it! Definition of fire A “fire” is a combustion phenomenon that occurs or expands contrary to human intent or arises from arson…
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