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The cetane number is a key property of diesel fuel, as it measures its aptitude to self-ignite in the combustion chamber. [8] The auto ignition temperature of diesel fuel is around 220 °C (428 °F) at atmospheric pressure. Cetane improver additives are used to decrease this temperature and lead to quicker combustion, by increasing the cetane ...
In Europe, diesel cetane numbers were set at a minimum of 38 in 1994 and 40 in 2000. The standard for diesel sold in European Union, Iceland, Norway and Switzerland is defined by standard EN 590. Since 1 January 2001 EN 590 demands a minimum cetane index of 46 and a minimum cetane number of 51. Premium diesel fuel can have a cetane number as ...
Amyl nitrate is used as an additive in diesel fuel, where it acts as an "ignition improver" (cetane improver) by accelerating the ignition of fuel. [3] See also
winterized diesel — the No.2 diesel has been treated with additives by the diesel supplier. As the treatment with additives (1:40000 [40]) is a cheaper way to enhance No.2 fuel in winter, most stations offer winterized diesel in cold weather conditions. In regions with colder weather, most gas stations offer No.1 fuel at the same pump ...
The principal measure of diesel fuel quality is its cetane number. A cetane number is a measure of the delay of ignition of a diesel fuel. [32] A higher cetane number indicates that the fuel ignites more readily when sprayed into hot compressed air. [32] European (EN 590 standard) road diesel has a minimum cetane number of 51.
Isopropyl nitrate (IPN, 2-propyl nitrate) is a colorless liquid monopropellant.It is used as a diesel cetane improver. IPN is a low-sensitivity explosive, with a detonation velocity of approximately 5400 m/s.
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