The Numerical Simulation on Diesel Particulate Filter Based on CFD Technology

Guo Liang Hu; Fei Dong; Yun Peng Du

doi:10.4028/www.scientific.net/AMM.490-491.569

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 490-491The Numerical Simulation on Diesel Particulate...

The Numerical Simulation on Diesel Particulate Filter Based on CFD Technology

Abstract:

Its simulated in this paper that the diesel particulate filter (DPF) works without regeneration in the beginning 300 seconds. In this process, the internal parameter settings of the DPF simulation was described in detail, while the simulation results was obtained by analysis. The main conclusions are: The inner flow speed showed higher in the center part and lower in the peripheral part of DPF; the flow speed decreased in the direction of inlet channel. The soot distributed more in the frontal and rear part of DPF and less in the middle part. This is because the inlet channel of DPF at a large rate so the soot accumulated more. The accumulated soot in the middle part due to the role of air migration in the channel will move to the end of the channel. And all these reasons lead to the situation that the soot distributed more in the front and rear part. Because DPF soot accumulation will affect performance, the processor of regeneration needs to take in order to ensure regeneration of soot filters.

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Periodical:

Applied Mechanics and Materials (Volumes 490-491)

Pages:

569-572

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.490-491.569

Citation:

Cite this paper

Online since:

January 2014

Authors:

Guo Liang Hu*, Fei Dong, Yun Peng Du

Keywords:

Diesel Engine, DPF, Simulation, Soot Particulate

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* - Corresponding Author

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