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http://dx.doi.org/10.7467/KSAE.2013.21.5.176

PM Reduction Efficiency using Metal Type DPF  

Rah, Wan Yong (Department of Automotive Engineering, Shinsung University)
Publication Information
Transactions of the Korean Society of Automotive Engineers / v.21, no.5, 2013 , pp. 176-180 More about this Journal
Abstract
After-treatment apparatus ceramic DPF (diesel particulate filter) have been applied to reduce harmful particulate matters(PM) among emissions from diesel engines so far, but they are easy to be fragile and weak in thermal shock. This research aims to investigate a metal type filter which is superior in mechanical strength and heat conduction rate and is beneficial economically in manufacturing. Basic performance of metal DPF such asloading test, temperature gradient test, thermal shock test, heat resistant test and back pressure was carried out. And then their experimental data provided key informations in designing and manufacturing such as detailed structures of metal mesh filter. Also diesel engine and vehicle of 2957cc displacement was tested under lug-down 3 mode and CVS-75 mode. PM reduction efficiency was 54.5% using metal DPF without loss of performance and fuel consumption.
Keywords
DPF (Diesel Particulate Filter); PM(Particulate Matters); CVS-75 mode; Lug-down mode;
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