backdraught

(redirected from backdrafts)

backdraught

(ˈbækˌdrɑːft) or

backdraft

n
1. a reverse movement of air, gas, or liquid
2. an explosion that occurs when air reaches a fire that has used up all the available oxygen, often occurring when a door is opened to the room containing the fire
References in periodicals archive ?
As well as doing hose drills, the cadets undertook search and rescue operations within the confined space of cages, saw the consequences of flashovers and backdrafts at close quarters, and saw how the firefighters train in preparation for aircraft accidents and fires.
Then came one of those backdrafts. The nearest deer, 15 yards from our stands, quit feeding, crept within 10 yards, and stood staring at our tree.
The breeze was blowing in our favor, but the hollow behind us produced an occasional backdraft. We would have to be scentflee.
Station officer Mike Dixon, of County Durham and Darlington Fire Brigade, said: "This was a heroic act showing great community spirit but we would also warn people that this could have worsened the fire by allowing oxygen in and there are also backdrafts which our personnel are trained to deal with.
One common kind of downflow is called a "backdraft." Backdrafts occur when more air is being pulled out of the house than can get back in from natural infiltration, that is, through gaps and cracks around the foundation, windows and doors.
The young charges were able to view at close quarters a demonstration of the consequences of flashovers and backdrafts, with the speed, force, intensity and the shock and awe of the resultant fire ball, leaving an impact on the group.
Just like the huge success of Lord of the Rings with its pictureque locations and magical backdrafts, Game of Thrones is taking its epic series to extreme lanscapes and breataking cities in the world.
Cadet William Mott, aged 15, of 121 (Nuneaton) Squadron said: "We all had a go at extinguishing some fairly serious fires but the most spectacular part of the training came when we were able to view at close quarters, a demonstration of the consequences of flashovers and front and side backdrafts.
They also thrilled the boys and girls with a demonstration of how firefighters tackle explosive backdrafts in a training building that simulates a blaze in an enclosed space.
D27072_2; HOT TIME: A dramatic demonstration of tackling an explosive backdraft while Luke Clark (left) and Catherine Boag (right) find their firefighters' helmets are a snug fit.
Changes in building techniques - such as the proliferation of double glazing - have increased the risk of fire getting out of control in the form of terrifying backdrafts and flashovers.