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Technical Paper

Analysis of Characteristic of Microwave Regeneration for Diesel Particulate Filter

1995-09-01
952058
The mathematical model for the microwave regeneration of diesel particulate filter is proposed according to the characteristic of microwave regeneration process. The model is used to calculate the temperature field, distribution of particulate and density field of oxygen in the filter during the process of regeneration with typical ceramic foam particulate fitter data. The parametric study demonstrates how some of the main parameters, such as microwave attenuation constant of the filter, filter particulate loading, the power and distribution of microwave energy and so on, affect the efficiency of regeneration, the maximum filter temperature and regeneration duration. The results show that it is possible to regenerate the diesel particulate filters in certain conditions by using microwave energy.
Technical Paper

Experimental Investigation on Electrostatic DPF

2001-03-05
2001-01-0194
A new kind of diesel particulate after-treatment system (EDPF) has been developed. It uses stainless steel nets as the particulate trapping part and uses reverse blowing unit combining with centrifugal collector as the regeneration part. In order to improve the filtering efficiency of stainless steel nets, corona-discharging technology is applied to charge particles before the stainless steel nets. The test result on the 6110 Diesel bench scale shows that the filtering efficiency of the EDPF system can reach to about 70% and the EDPF system is successful.
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