Pressure dependence of the auto-ignition temperature of methane/air mixtures

Flammability limits: A review with emphasis on ethanol for aeronautical applications and description of the experimental procedure

“…Many papers have been published about ignition [58][59][60][61][62][63]. It should be noted that experiments on ignition energies carried out by Pasamehmetoglu and Unal [64] …”

Paralavas in the Cretaceous Paraná volcanic province, Brazil - A genetic interpretation of the volcanic rocks containing phenocrysts and glass

“…The autoignition temperature of methane is 580 °C in air, which is the minimum temperature required to ignite the gas in air without a spark or flame being present (Wikipedia). As mentioned by Caron et al (1999), "the autoignition temperature ... is strongly pressure-dependent and decreases with increasing pressures", but is not expected to decrease down to the temperature present in the Paraná Basin sedimentary rocks below the Paraná volcanic province. In our model, methane gas was capable to migrate upwards through the sedimentary package without spontaneous reaction with oxygen present in pores and in mineral lattices.…”

Auto-ignition of lubricating oil working at high pressures in a compressor for an air conditioner

“…From the definition, flash point temperature is usually much lower than auto-ignition temperature. They are fundamental characteristic parameters on combustion and there can be found lots of previous works on FPT and AIT [4][5][6][7][8].…”

“…Accordingly, information on AIT of lubricating oil at high pressure is required in designing safety control devices adopted in a compressor and should be obtained before usage of oil. Although there can be found AIT data for various fuels from the previous experimental works [2][3][4][5][6][7][8], most of data are for gaseous fuel at atmospheric pressure. Recently, auto-ignition of gaseous fuel at elevated pressures [5][6][7][8] and auto-ignition of liquid fuel [9][10][11][12] have been studied.…”