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Phenomenological Approach for Common Rail Diesel Engine Emission and Performance Prediction
Technical Paper
2010-01-0874
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
A diesel injection model for common rail application has been built and extended including a quasi-dimensional, multi-zone, diesel combustion-pollutant emission model (NO
x
). In a commercial simulation environment, a lumped parameter electro-mechanical-hydraulic scheme is used to model the injection process. Modeling of spray formation, droplet vaporization, combustion and pollutant emission processes is then implemented in a self developed computation code, accounting for finite thermal conductibility of the liquid phase fuel. The coupling among the models allows for a detailed representation of the involved phenomena at each simulation step; at the same time, it is possible to evaluate the operation of the ensemble injection system-engine on the basis of atomization, combustion and pollutant emission. The results of the numerical prediction are compared to experimental data.
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Chiatti, G., Chiavola, O., and Palmieri, F., "Phenomenological Approach for Common Rail Diesel Engine Emission and Performance Prediction," SAE Technical Paper 2010-01-0874, 2010, https://doi.org/10.4271/2010-01-0874.Also In
References
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