spontaneous ignition

spontaneous ignition

[spän′tā·nē·əs ig′nish·ən]

spontaneous ignition

The initiation of combustion caused by internal, chemical reaction in which heat is liberated.
References in periodicals archive ?
The fire is believed to have been caused by self-heating of the materials that led to spontaneous ignition.
Decomposition of the fuel molecules into smaller hydrocarbons and active radicals initiates the spontaneous ignition of the properly mixed air/fuel charge, leading to the premixed combustion phase.
Few types of coal are susceptible to spontaneous ignition.
Strong consideration for this type of referral should be given to electrical fires, appliance fires and spontaneous ignition incidents to establish and confirm third-party negligence and/or product failure.
Moreover, he continued: "The main cause of farm fires is agricultural waste, which, if kept for long periods of time, may lead to gas emissions produced by bacterial decomposition, ultimately leading to spontaneous ignition of waste stockpiles, under favorable conditions.
The DVB heated up the surrounding containers, eventually causing the nearby DMAE containers to explode as they were brought to spontaneous ignition temperature.
The crew believes the fire was a spontaneous ignition and it is not known if any other cats were trapped in the flames.
Rather than the flame propagating upstream into the premixing section, autoignition involves spontaneous ignition of the mixture in the premixing section.
In cases of spark knocking, when incompletely mixed air in the cylinders of a gasoline engine is compressed and the temperature and pressure exceed their limits, spontaneous ignition results, causing reductions in power and combustion efficiency.
Spark-ignition knock is caused by the spontaneous ignition of gas ahead of the propagating flame front (the end gas) within the combustion chamber.
It probably started with some spontaneous ignition among second-hand sacks on the second floor, it certainly did not start in our "cymag", of which we had 30 tons stored on parts of the third and fourth floors.
BS EN 15188: Determination of the spontaneous ignition behaviour of dust accumulation.

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