Browse Publications Technical Papers 2005-01-1127

Modeling Transient Fuel Effects with Alternative Fuels 2005-01-1127

As regulations become more stringent, transient fuel control becomes extremely important for meeting emissions requirements in a cost-effective manner. Significant modeling work has been performed for a variety of conventional gasolines in port fuel injected (PFI) engines. This paper describes an extension of previous modeling work for alternative fuels. The paper first details the application of a distillation model to create the multi-component fuel models used in the simulations. The fuel models are then used in the transient Four Puddle Model to simulate the coupled liquid fuel and thermal/thermodynamic processes in the engine. Simulation results from the model are compared with dynamometer data over a transient, warm-up test.


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