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- Dictionaryback·draft/ˈbakdraft/
noun
- 1. a current of air or water that flows backward down a chimney, pipe, etc.: "when she opened the window she created a backdraft that sucked the fire right through the bedroom"
- 2. a phenomenon in which a fire that has consumed all available oxygen suddenly explodes when more oxygen is made available, typically because a door or window has been opened.
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A backdraft (North American English), backdraught (British English) [1] or smoke explosion is the abrupt burning of superheated gases in a fire caused when oxygen rapidly enters a hot, oxygen-depleted environment; for example, when a window or door to an enclosed space is opened or broken.
Oct 10, 2023 · Backdraft is an air-driven event that occurs when oxygen is suddenly introduced into a ventilation-limited space containing unburned fuel and gases. It is extremely dangerous because it can result in a rapid ignition with devastating force.
Feb 27, 2023 · Backdraft is a fire-related phenomenon that occurs when oxygen is rapidly supplied into an oxygen-depleted, enclosed space. Resulting in a sudden and powerful eruption of flames and gases. Firefighters may be caught in the blast and subjected to high temperatures, hazardous fumes, and flying debris, which can be fatal.
A backdraft is a smoke explosion that can occur when additional air is introduced into a smoldering fire and heated gases enter their flammable range and ignite with explosive force. 3 A...
The meaning of BACK DRAFT is an explosion of the gaseous products of incomplete combustion in admixture with air sometimes occurring during a fire (as in a building or mine) —called also smoke explosion.
Backdraft definition: an explosive surge in a fire produced by the sudden mixing of air with other combustible gases.. See examples of BACKDRAFT used in a sentence.
Mar 1, 2006 · A backdraft involves deflagration (explosion) or rapid combustion of hot pyrolysis products and flammable products of combustion (such as carbon monoxide) upon mixing with air. Several...
Sep 25, 2015 · A backdraft, also known as a smoke explosion NFPA 921: Guide for Fire & Explosion Investigations, 2011 Edition as, “A deflagration resulting from the sudden introduction of air into a confined space containing oxygen-deficient products of incomplete combustion.”.
May 19, 2020 · Backdraft is usually defined as a deflagration resulting from the sudden introduction of oxygen into a ventilation-limited space containing unburned fuel and gases.
BACKDRAFT definition: an explosive surge in a fire produced by the sudden mixing of air with other combustible... | Meaning, pronunciation, translations and examples.
