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Applying Representative Interactive Flamelets (RIF) with Special Emphasis on Pollutant Formation to Simulate a DI Diesel Engine with Roof-Shaped Combustion Chamber and Tumble Charge Motion
Technical Paper
2007-01-0167
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
Combustion and pollutant formation in a new recently introduced Common-Rail DI Diesel engine concept with roof-shaped combustion chamber and tumble charge motion are numerically investigated using the Representative Interactive Flamelet concept (RIF).
A reference case with a cup shaped piston bowl for full load operating conditions is considered in detail. In addition to the reference case, three more cases are investigated with a variation of start of injection (SOI).
A surrogate fuel consisting of n-decane (70% liquid volume fraction) and α-methylnaphthalene (30% liquid volume fraction) is used in the simulation. The underlying complete reaction mechanism comprises 506 elementary reactions and 118 chemical species. Special emphasis is put on pollutant formation, in particular on the formation of NOx, where a new technique based on a three-dimensional transport equation within the flamelet framework is applied.
For all cases simulation results are compared to experimental data that has been obtained using real diesel fuel. The agreement between simulation and experiment is found to be very good.
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Authors
- C. Felsch - Institut für Technische Verbrennung, RWTH Aachen
- V. Luckhchoura - Institut für Technische Verbrennung, RWTH Aachen
- J. Weber - Institut für Technische Verbrennung, RWTH Aachen
- N. Peters - Institut für Technische Verbrennung, RWTH Aachen
- C. Hasse - BMW Group München, previously Institut für Technische Verbrennung, RWTH Aachen
- W. Wiese - Institut für Verbrennungskraftmaschinen, RWTH Aachen
- Stefan Pischinger - Institut für Verbrennungskraftmaschinen, RWTH Aachen
- A. Kolbeck - FEV Motorentechnik GmbH
- P. Adomeit - FEV Motorentechnik GmbH
Topic
Citation
Felsch, C., Luckhchoura, V., Weber, J., Peters, N. et al., "Applying Representative Interactive Flamelets (RIF) with Special Emphasis on Pollutant Formation to Simulate a DI Diesel Engine with Roof-Shaped Combustion Chamber and Tumble Charge Motion," SAE Technical Paper 2007-01-0167, 2007, https://doi.org/10.4271/2007-01-0167.Also In
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