Browse Publications Technical Papers 2019-01-2358
2019-12-19

Effect of exhaust gas composition on EGR deposit formation 2019-01-2358

Serious problems occur in an exhaust gas recirculation system due to an adhesive hard deposit. It is important to clarify the mechanism of the hard deposit formation to suppress it. In this study, the effect of exhaust gas composition on hard deposit formation was investigated. The amount of the hard deposit formed under various operating conditions while keeping the total hydrocarbon concentration constant was different. The component analyses of the exhaust gas and the hard deposit clarified that polycyclic aromatic hydrocarbon in the exhaust gas strongly affected the hard deposit formation.

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