Browse Publications Technical Papers 2011-28-0057
2011-10-06

Biodiesel Fuel Effects on Injection System and Establishment of the Evaluation Method 2011-28-0057

As exhaust emissions regulations are becoming increasingly stringent year by year, common rail system, which is capable of injecting high-pressure fuel, is already becoming mainstream in the field of diesel injection equipment. On the other hand, market fuels tend to diversify. From the viewpoint of global warming prevention in particular, biodiesel fuels are attracting attention as renewable fuel. Fatty Acid Methyl Ester (FAME) contained in biodiesel fuel is liable to aging and tends to generate deposits, thus, there is a concern about not only deposit adhesion to diesel injection equipment but also corrosion occurrence due to free water presence.
This paper reports that an accelerated re-production test method which simulates real-world market environment successfully clarified the effects of DLC coating on control of deposit adhesion to diesel injection equipment as well as its mechanism and the corrosion mechanism was understood.

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