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Particulate Filter-A Key Technology for Hsdi Diesels-From Simulation to Series Application
Published July 23, 2002 by Society of Automotive Engineers of Japan in Japan
Event: 2002 JSAE Annual Congress
The market share of passenger cars powered by low consumption diesel engines will further increase in the future, since the CO2 reduction to 140 g/km promised by the ACEA for 2008 can only be realized - from today's point of view - with a 50% diesel share of the vehicle fleet. The compliance to stringent future emission limits, that cannot be met without exhaust gas aftertreatment, is the prerequisite for this scenario as well as the challenge for the diesel engine. Diesel particulate filters (DPF) are today's preferred variant of exhaust gas aftertreatment, since, the application allows a reduction of the particulate emission to >90% and the market introduction of the PSA system has proven the general production suitability. This paper describes the work steps necessary for the integration of a DPF in a drive train with serial production as objective. The process described includes the system layout, simulation, development as well as calibration and is explained by means of examples.