Backdraft - Wikipedia
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 …
How firefighters can recognize the signs of backdraft - FireRescue1
2017年2月24日 · 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 latter two...
What Is Backdraft and Why Is It So Dangerous in Fire Safety …
2023年10月10日 · A backdraft refers to the rapid ignition of a fire that occurs when oxygen is reintroduced into a confined space that is already starved of oxygen. This sudden influx of oxygen can cause an explosive eruption of flames and heat, posing a significant danger to firefighters.
Rapid fire progression phenomena, such as backdraft and flashover, can result in danger to firefighters. This paper examines current research and divides these phenomena into categories based on fundamental physical and chemical processes.
Extreme Fire Behavior: Backdraft - Firehouse
2006年2月28日 · A backdraft involves deflagration or rapid combustion of hot pyrolysis products and flammable products of combustion upon mixing with air. Several conditions are necessary in ...
Understand a Backdraft - The Firehouse Tribune
2015年9月25日 · 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.”
Preventing backdraft through vertical ventilation - FireRescue1
2018年10月23日 · Take care when implementing positive-pressure ventilation when firefighters are inside a structure fire to prevent a flashover
Preventing backdraft when fighting a fire | FireRescueOne.com
2015年1月26日 · 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...
USFA: Backdraft and Reading Smoke - Firef Dynamics and Fire …
2020年5月19日 · The U.S. Fire Administration (USFA) released a training bulletin dealing with recognizing the dynamic fire phenomenon known as backdraft. Recognizing backdraft conditions can save firefighters...
Backdraft - FIRE RESCUE CLUB
2024年11月5日 · Learn about Backdraft, a dangerous fire phenomenon caused by sudden oxygen influx. Discover its causes, warning signs, dangers, and key safety measures for prevention.