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Spontaneous human combustion (SHC) is the pseudoscientific [1] concept of the spontaneous combustion of a living (or recently deceased) human body without an apparent external source of ignition on the body. In addition to reported cases, descriptions of the alleged phenomenon appear in literature, and both types have been observed to share ...
A large compost pile can spontaneously combust if improperly managed. Spontaneous combustion or spontaneous ignition is a type of combustion which occurs by self-heating (increase in temperature due to exothermic internal reactions), followed by thermal runaway (self heating which rapidly accelerates to high temperatures) and finally, autoignition. [1]
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]
A thermite reaction using iron(III) oxide. The sparks flying outwards are globules of molten iron trailing smoke in their wake. In the following example, elemental aluminum reduces the oxide of another metal, in this common example iron oxide, because aluminum forms stronger and more stable bonds with oxygen than iron:
Combustion temperature of degraded compounds released by heated tires is thus more consequential than combustion point of the tires themselves. Metal in tires may contribute to the tire fire. The hot wires act as kind of "glowing spiral" in a storm lighter Zippo with its steel insert in the wick, restarting the fire, when blown out.
The creation of sparks from metals is based on the pyrophoricity of small metal particles, and pyrophoric alloys are made for this purpose. [2] Practical applications include the sparking mechanisms in lighters and various toys, using ferrocerium; starting fires without matches, using a firesteel; the flintlock mechanism in firearms; and spark testing ferrous metals.
The Metro Fire Department said in a series of tweets that "nothing unusual" had occurred before the Tesla Model S became "engulfed in flames," but the agency said the car's battery cells ...
The coroner in the case could not identify the cause of the death due to extensive internal organ damage and concluded that "this [case] fits into the category of spontaneous human combustion, for which there is no adequate explanation". [5] [6] The body of the man, Michael Faherty, was found in the living room of his home on 22 December 2010.