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Joint Efficiency and NOx Optimization Using a PSO Algorithm
Technical Paper
2006-01-1109
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
The challenge of tough fuel consumption reduction targets and near zero NOx emission standards can be met by optimization of the full range of engine design variables. Here these are explored through an engine simulation model and the application of an optimizing algorithm that can work in discontinuous data space. The combustion model has main features that include flame propagation, the effects of turbulence, chamber shape interaction and NOx formation. Two engine configurations are used to illustrate the application of the model and optimizer. Both allow the adoption of extra lean burn possible with LPG as fuel and EGR through an external route or cam phasing. In the first the compression ratio and cam profiles are fixed, in the second study they are also optimized.
Topic
Citation
Mehrani, P. and Watson, H., "Joint Efficiency and NOx Optimization Using a PSO Algorithm," SAE Technical Paper 2006-01-1109, 2006, https://doi.org/10.4271/2006-01-1109.Also In
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