0722 DPF前後の差圧予測に関する研究(S43-1 エンジンにおける計測およびモデリング(1),S43 エンジンにおける計測およびモデリング)

概要

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Diesel Particulate Filters are widely accepted as an effective reduction technology of PM exhausted from diesel vehicles. However, it is pointed out that the pressure drop in the DPF increases with increasing of the accumulated PM and ashes which are come from additives in the engine oil. The engine performances decrease with increasing of the pressure drop and the DPF must be regenerated after the constant operating time. In this study, the mathematical model which can be estimated the time history of the pressure difference between inlet and outlet of DPF is developed and the good agreement between the calculated results by the model and experimental results by using the commercial vehicle is confirmed.
2007-09-07