Abstract
Hydrocarbons with blending octane number (BON) higher than the octane number (ON) measured as a single component fuel are considered to have a large effect on improving the octane number of the mixed fuel when mixed with other hydrocarbons. In this study, the characteristics of the reaction of high BON hydrocarbons in mixed fuel were discussed based on the analysis of reaction products in a flow reactor. When mixed with primary reference fuels, hydrocarbons whose BON is higher than ON suppress the reaction of the mixture. This effect may be caused by the production of reaction intermediates at lower temperatures than when used as a single component fuel, or by the production of reaction intermediates that were not observed when used as a single component fuel.
