Ford / AVL study concludes mid-level ethanol blend attractive as a long-term future fuel for use in optimized engines in US
Green Car Congress
APRIL 19, 2013
In a direct injection engine, they noted, the cooling of the charge and consequent knock relief provided by the evaporation of the fuel is proportional to the fuel flow per unit mass of air. Further, the effect of charge cooling on reducing the rate of autoignition kinetics is amplified by the high sensitivity of ethanol.
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