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  • Method how to use 3D results of heat transfer from few operating points for the improvement of models and parameter adjustment in 1D thermodynamic cycle simulations in order to predict the emission
FP5

MINNOX Streszczenie raportu

Project ID: ENK6-CT-2001-00530
Źródło dofinansowania: FP5-EESD
Kraj: Sweden

Method how to use 3D results of heat transfer from few operating points for the improvement of models and parameter adjustment in 1D thermodynamic cycle simulations in order to predict the emission

A method will be developed for the use of simulated 3D results of heat transfer from a few operating points for the improvement of models and parameter adjustment in 1D simulations in order to provide a fully predictive methodology to simulate NOx emissions for the entire engine map.

Referring to result 15340 for environmental, economical and social impacts, This result is to be used for optimizing the engine in certain operation conditions given a certain emission target.

Part of the method will be an engine-tuned one-dimensional model for heat transfer, and is a way to transfer CFD results obtained from the method described in result 15340 to a fast one-dimensional optimizing tool. Since CFD computations currently are too slow and costly to be used for this type of optimization, where thousands of simulations are carried out, such a method is needed to predict fuel consumption for a given emission target.

Potential problems may, again, be deposit buildup on the piston, which may hamper the predictions. A method of describing such buildup would therefore be desirable.

Reported by

Volvo Technology Corporation
Sven Hultins Gata 9
412 88 Göteborg
Sweden
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