Control-oriented Model of Isooctane HCCI Combustion
| Authors: | Sun Faming, University of Windsor, Canada
Chen Xiang, University of Windsor, Canada
Ting David S-K, University of Windsor, Canada
Sobiesiak Andrzej, University of Windsor, Canada |
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| Topic: | 7.1 Automotive Control |
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| Session: | Automotive Control |
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| Keywords: | Automotive Systems, modelling, HCCI engine |
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Abstract
A mathematical engine model is developed in this paper to study the operation process in HCCI engines. Isooctane is used as fuel for testing in this model. Two-step reaction mechanisms are implemented to model combustion process for which Arrhenius reaction rates are used and heat transfer process is also included. The simulation results are then compared with published experimental data from a modified heavy-duty diesel engine which is used to imitate HCCI operation. Results from this model show good correlation with experiment with respect to combustion phasing, pressure rise and peak pressure. Some control strategies could be potentially developed to stabilize HCCI operation based on this model.
