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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.
A backdraft (North American English) or backdraught (British English) 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. Backdrafts are typically seen as a blast of smoke and/or flame out of an ...
Feb 24, 2017 · A backdraft is caused by the sudden introduction of air into a fire that has depleted most of the available oxygen in a room or building. Since a fire requires air, fuel and heat, the...
Feb 2, 2018 · But what exactly is a backdraft? Simply put, it’s an explosion that occurs when some new air meets a fire that has already devoured all the available oxygen it can reach. The three critical components of any fire are oxygen, an ignition source, and ambient heat.
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, 2005 · 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...
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...
Jan 26, 2015 · Backdrafts or smoke explosions can occur in fires that are severely ventilation-limited. This means that the fire’s aggravation is limited by the amount of oxygen available to it. The other two...
1 day ago · BACKDRAFT definition: an explosive surge in a fire produced by the sudden mixing of air with other combustible... | Meaning, pronunciation, translations and examples.
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.
