Lattice Boltzmann simulation on continuously regenerating diesel filter |
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Authors: | Yamamoto Kazuhiro Yamauchi Kazuki Takada Naoki Misawa Masaki Furutani Hirohide Shinozaki Osamu |
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Affiliation: | Department of Mechanical Science and Engineering, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, Aichi 464-8603, Japan. kazuhiro.mech.nagoya-u.ac.jp |
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Abstract: | To reduce particulate matter (PM) including soot in diesel exhaust gas, a diesel particulate filter (DPF) has been developed. Since it is difficult to observe the phenomena in a DPF experimentally, we have conducted a lattice Boltzmann simulation. In this study, we simulated the flow in a metallic filter. An X-ray computed tomography (CT) technique was applied to obtain its inner structure. The processes of soot deposition and oxidation were included for a continuously regenerating diesel filter. By comparing experimental data, a parameter of soot deposition probability in the numerical model was determined. |
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