ALL meanings of cetane number
ce·tane num·ber
C c - noun cetane number a measure of the quality of a diesel fuel expressed as the percentage of cetane in a mixture of cetane and 1-methylnapthalene of the same quality as the given fuel 3
- noun cetane number a number that increases with higher quality, representing the ignition properties of diesel engine fuel oils: it is determined by the percentage of cetane that must be mixed with a standard liquid to match the fuel oil's performance in a standard test engine 3
- noun cetane number A cetane number is a measure of how long it takes fuel to ignite after injection. A high cetane number indicates a short lag. 3
- noun cetane number a measure of the ignition quality of a diesel engine fuel by comparison with various mixtures in which the alpha form of methylnaphthalene is given a standard value of 0 and cetane is given a standard value of 100. 1
- noun cetane number A performance rating of diesel fuel corresponding to the percentage of cetane in a mixture with isocetane (or, formerly, methylnaphthalene) that would have the same performance. 0