Nota: A tradução desta entrada está atualmente em revisão de qualidade, portanto parte do conteúdo é exibida temporariamente apenas em inglês.
Este verbete ainda não foi traduzido para o seu idioma, portanto o original é exibido abaixo.
cetane
This term is used exclusively within the technical fields of chemistry and petroleum engineering. It refers specifically to hexadecane, the primary component used to define the cetane number, which measures the ignition delay of diesel fuel. A higher cetane number indicates a shorter ignition delay, meaning the fuel ignites more readily under compression.
Because it describes a specific chemical compound and a standardized measurement scale, it is treated as an uncountable mass noun. It does not have a plural form in professional technical discourse, as it refers to the substance or the standard itself rather than individual units.
Meanings
Examples
Cetane is a straight chain alkane with sixteen carbon atoms.
The cetane number indicates the ignition quality of a diesel fuel.
We need to measure the cetane rating of this fuel sample.
Higher cetane levels generally lead to shorter ignition delays.
Does this biodiesel blend have a high enough cetane number for winter use?
The chemist explained that cetane serves as the primary reference fuel.
I wonder if adding this additive will improve the cetane rating.
The engine runs smoother when the fuel has an optimal cetane value.