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Such an event is known as backdraft. A delayed flashover occurs when the colder gray smoke cloud ignites after congregating outside of its room of origin. This results in a volatile situation, and if the ignition occurs at the ideal mixture, the result can be a violent smoke gas explosion.
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. Backdrafts are typically seen as a blast of smoke and ...
Dangerous Flights is a documentary-style reality television show that airs on the Discovery Channel. The show follows the pilots of C.B. Aviation as they ferry light aircraft to their new owners across distances the aircraft weren't designed to fly and often over routes that are generally considered to be dangerous by the aviation community.
Episodes were usually not aired in production order. Broadcast order varied widely between the UK and US. In fact, CBS, the US broadcaster, used it only as a summer replacement for Wanted: Dead or Alive and did not air even half of the run. Although aired over the course of 18 months, the first 39 episodes are considered one series.
"The Bronx is Burning" (episode of Man Alive, TV 1972, BBC) Brotherhood: Life in the FDNY (2005) Burn (2012) Burned: The Science of Arson (TV: 20/20 episode May 7, 2010) [7] Crash Landing: The Rescue of Flight 232 (A.K.A. A Thousand Heroes, TV 1992) Detroit on Fire: A Documentary (Constance York 2011) Dust to Dust: The Health Effects of 9/11 ...
In this series, eyewitnesses capture the full fury of extreme weather on camera. (e.g. Tornadoes , Hurricanes , Flash Floods ) The third season premiered on November 19, 2022. It is unknown if new episodes will be released.
The backblast area is dangerous to ground personnel, [2] who may be burned by the gases or exposed to overpressure caused by the explosion. [3] In confined spaces, common in urban warfare , even the operators themselves may be at risk due to deflection of backblast by walls or sturdier civilian vehicles behind them.
The term "downdraft" can also refer to a type of backdraft which occurs through chimneys which have fireplaces on the lowermost levels (such as basements) of multi-level buildings. It involves cold air coming down the chimney due to low air pressure, and makes it hard to light fires, and can push soot and carbon monoxide into domiciles.