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The fire point, or combustion point, of a fuel is the lowest temperature at which the liquid fuel will continue to burn for at least five seconds after ignition by an open flame of standard dimension. [1] At the flash point, a lower temperature, a substance will ignite briefly, but vapour might not be produced at a rate to sustain the fire ...
To ignite, the fuel must have a low flash point, but in order to avoid preignition caused by residual heat in a hot combustion chamber, the fuel must have a high autoignition temperature. Diesel fuel flash points vary between 52 and 96 °C (126 and 205 °F). Diesel is suitable for use in a compression-ignition engine.
The autoignition temperature or self-ignition temperature, often called spontaneous ignition temperature or minimum ignition temperature (or shortly ignition temperature) and formerly also known as kindling point, of a substance is the lowest temperature at which it spontaneously ignites in a normal atmosphere without an external source of ignition, such as a flame or spark. [1]
The flame point of a material is a temperature value at which sustained flame can be supported on the material once ignited by an external source. [28] Once the flame point of a material is reached, it produces enough fuel vapors or oils to support continuous burning.
Some of these properties are: flash point, the lowest temperature at which a flammable concentration of vapor is produced; fire point, the temperature at which sustained burning of vapor will occur; cloud point for diesel fuels, the temperature at which dissolved waxy compounds begin to coalesce, and pour point, the temperature below which the ...
Diesel fuel is less flammable than petrol, because its flash point is 55 °C, [209] [211] leading to a lower risk of fire caused by fuel in a vehicle equipped with a diesel engine. Diesel fuel can create an explosive air/vapour mix under the right conditions.
Rudolf Christian Karl Diesel (English: / ˈ d iː z əl ˌ-s əl /, [1] German: ⓘ; 18 March 1858 – 29 September 1913) was a German [note 1] inventor and mechanical engineer who invented the Diesel engine, which burns Diesel fuel; both are named after him.
The oil base can be diesel, kerosene, fuel oil, selected crude oil or mineral oil. ... (82 °C), fire point of 200 °F (93 °C) and an aniline point of 140 °F ...