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Nanoparticle Emissions of DI Gasoline Cars with/without GPF
Technical Paper
2017-01-1004
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
In the present paper some results of investigations of nanoparticles from five DI gasoline cars are represented. The measurements were performed at vehicle tailpipe and in CVS-tunnel. Moreover, five variants of “vehicle - GPF” were investigated. These results originate from the project GasOMeP (Gasoline Organic & Metal Particulates), which focused on metal-nanoparticles (including sub 20nm) from gasoline cars with different engine technologies.
The PN-emission level of the investigated GDI cars in WLTC without GPF is in the same range of magnitude very near to the actual limit value of 6.0 × 1012 #/km. With the GPF’s with better filtration quality, it is possible to lower the emissions below the future limit value of 6.0 × 1011 #/km.
There is no visible nuclei mode and the ultrafine particle concentrations below 10mm are insignificant.
Some of the vehicles show at constant speed operation a periodical fluctuation of the NP-emissions, as an effect of the electronic control.
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Czerwinski, J., Comte, P., Heeb, N., Mayer, A. et al., "Nanoparticle Emissions of DI Gasoline Cars with/without GPF," SAE Technical Paper 2017-01-1004, 2017, https://doi.org/10.4271/2017-01-1004.Data Sets - Support Documents
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