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74 ENGINE SCAVENGING OPTIMIZATION
Technical Paper
2002-32-1843
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English
Abstract
Automotive pollutant emissions have been drastically restricted during the last ten years. These emission standards are now concerning small two-stroke engine. In order to reach future emission standard, it is essential to improve the scavenging flow, and especially the trapping efficiency of the engines. It is also interesting to have a tool for predicting the scavenging performances of an engine before the firing engine situation, which takes place late in the time scale of a development. A special test bench has been developed by D2T Group to visualize and quantify the scavenging process. It was also modelled with CFD tools, and a good correlation was observed between calculations and experimentations. This shows a good potential to reduce time and money spent in an engine development.
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Citation
DRECQ, D., BENTEYN, P., du GARDIN, A., and BILLMANN, C., "74 ENGINE SCAVENGING OPTIMIZATION," SAE Technical Paper 2002-32-1843, 2002.Also In
References
- Blair G.P. “Design and Simulation of Two-Stroke Engines” Society of Automotive Engineers February 1996
- BENTEYN P.E. “Conception d'une machine de balayage hydraulique pour petits moteurs” March 2000
- du GARDIN de SEVEIRAC A. “Simulation CFD d'une machine de balayage hydraulique” December 2001 April 2002