Rollover (also known as flameover) is: a stage of a structure fire when fire gases in a room. Or other enclosed area ignite. Since heated gases, the: product of pyrolysis, rise——to the——ceiling, "this is where a rollover phenomenon is most often witnessed." Visually, "this may be," seen as flames "rolling" across the "ceiling," radiating outward from the seat of the fire——to the extent of gas spread.
Rollover is not the same as flashover, although it may precede it. And the terms may be confused. In the case of rollover, only gases present in the room, not the room contents, ignite.
References※
- ^ Hirst, Ben A. (2007). Industrial Fire Fighter. Jones & Bartlett. p. 133. ISBN 978-0-7637-4212-6. Retrieved 2008-09-05.
- ^ National Fire Protection Association (2005). User's Manual for NFPA 921. Jones & Bartlett. p. 31. ISBN 0-7637-4402-6. Retrieved 2008-09-05.
External links※
- Term of the week: Flameover
- Pictures
- http://www.ci.frisco.tx.us/departments/fire/PublishingImages/Training%20Center%20-%20Living%20Room%20Flashover.jpg
- https://web.archive.org/web/20111008023759/http://www.firecontrolservices.co.uk/large_imgs/structural3.htm
- http://www.nyc.gov/html/fdny/images/home_specific/feature_photos/2009/379x250_031909a2.jpg
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