flashover


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Related to flashover: flashover voltage

flash·o·ver

 (flăsh′ō′vər)
n.
1. An unintended electric arc, as between two pieces of apparatus.
2. The temperature point at which the heat in an area is high enough to ignite all flammable material simultaneously.

flashover

(ˈflæʃˌəʊvə)
n
1. (Electrical Engineering) an electric discharge over or around the surface of an insulator
2. the sudden and rapid spread of fire through the air, caused by the ignition of smoke or fumes from surrounding objects

flash•o•ver

(ˈflæʃˌoʊ vər)

n.
a disruptive electrical discharge around or over the surface of a solid or liquid insulator.
[1890–95]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.flashover - an unintended electric discharge (as over or around an insulator)
arc, electric arc, electric discharge, spark, discharge - electrical conduction through a gas in an applied electric field
References in periodicals archive ?
in the new upper floor, a circumferential outer wall and necessary support in reinforced concrete will be built, the roof is made of steel trapezoidal sheets and steel bars and a strip b: 5 m against fire flashover to bt a in reinforced concrete.
The Consumer Technology Association, which runs CES, has issued a statement regarding the blackout saying that a preliminary assessment indicates that "condensation from heavy rainfall caused a flashover on one of the facility's transformers.
Once this process starts, it increases and can lead to flashover and failures, so being able to detect partial discharge as early as possible has major safety, financial and security of supply benefits, according to the company.
The passengers have difficulty surviving in the severe environment, especially after flashover occurs.
The facilities include fire behaviour training rigs, that can demonstrate how flashover and backdraught conditions are created, and breathing apparatus search and rescue facilities replicating conditions encountered in homes, businesses and factories when fighting fires.
The facilities include fire behaviour training rigs that can demonstrate how flashover and backdraught conditions are created, and breathing apparatus search and rescue facilities replicating conditions encountered in homes, businesses and factories when fighting fires.
Florian's Brewery family celebrates their second anniversary with the official release of their Belgian Style Flashover IPA at their Tap Station in Windsor on Saturday, February 7th from 12-8 pm.
The wind effects on big room fires, the flashover criteria, the resultant ventilation rates, and the heat release rates of burning compartments and materials should be examined.
Flashover is a rapid change from a growth stage fire to a fully developed fire (Figure 1a).
The aim of this paper is to study the effects of lightning current waveshape on the flashover distance calculated based on constant area criterion, including all electromagnetic couplings between building components, and to relate the results to the separation distance estimated according to standard procedures.
My concern, with the double dip recession, benefit cutbacks and housing benefit reforms, lack of jobs and a growing young population in this city is that we will potentially reach a flashover point when citizens take to the streets to riot - not because of greed or opportunity or failure of the police to act quickly enough, but because they want to survive and live a life worth living, not one of poverty, social disadvantage and as a group to be blamed by those with wealth as being feckless, idle and a drain on society.