The optimization of the engine start with bio fuel E85 is a hot topic for the IAV Chemnitz. Especially cold start performance with test bed temperatures below 0°C is of great interest. With the LaVision ICOS-Fuel system the IAV launched a new tool for optimizing and understanding the different behavior between normal gasoline and bio fuels such as E85 with a high Ethanol concentration. Previously unexplained differences of the vaporization and firing performance of the partially separated fuel components were identified with the help of the ICOS-Fuel system.
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