Evaluation of the time-resolved nanoparticle emissions and the vehicle performance characteristics for a turbocharged gasoline direct-injection vehicle with a metal-foam gasoline particulate filter
- Authors
- Baek, Sungha; Jin, Dongyoung; Jang, Wonwook; Myung, Cha-Lee; Park, Simsoo; Lee, Jeongmin
- Issue Date
- 5월-2016
- Publisher
- SAGE PUBLICATIONS LTD
- Keywords
- Gasoline particulate filter; gasoline direct injection; particulate matter; particle number; sub-23nm particle
- Citation
- PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART D-JOURNAL OF AUTOMOBILE ENGINEERING, v.230, no.6, pp.745 - 753
- Indexed
- SCIE
SCOPUS
- Journal Title
- PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART D-JOURNAL OF AUTOMOBILE ENGINEERING
- Volume
- 230
- Number
- 6
- Start Page
- 745
- End Page
- 753
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/88763
- DOI
- 10.1177/0954407015594908
- ISSN
- 0954-4070
- Abstract
- The nanoparticle emissions from gasoline direct-injection engines are of concern because of the high particle number concentrations compared with those from a gasoline port fuel injection engine. A gasoline particulate filter is a potential solution for reducing the particulate matter emissions. In this study, a 2.0 l turbocharged gasoline direct-injection vehicle with a metal-foam-type gasoline particulate filter was tested using the New European Driving Cycle and steady vehicle operating conditions. The particle number concentration, the particle-size distribution and the filtration efficiency were determined using a condensation particle counter and a fast response differential mobility spectrometer (DMS500). The particle number emissions (particle numbers per vehicle travelling distance (particles/km)) over the New European Driving Cycle were 1.95x10(12) particles/km for a base vehicle equipped with a three-way catalytic converter and 5.68x10(11) particles/km for the additional installation of a gasoline particulate filter on the base gasoline direct-injection vehicle. The filtration efficiency of the particle number and the particulate matter mass reached approximately 71% and 67% respectively. The nucleation-mode particles in the size range less than 23nm for the gasoline direct-injection vehicle equipped with a three-way catalytic converter were further reduced on installation of a gasoline particulate filter at the downstream position of the three-way catalytic converter. A sharp pressure drop between the gasoline particulate filter of 21.0 mbar was obtained at a vehicle speed of 120km/h in the New European Driving Cycle. The exhaust gas temperature before the gasoline particulate filter reached around 380-610 degrees C at steady vehicle speeds of 60-120km/h. The installation of the gasoline particulate filter has the potential to satisfy the Euro 6c particle number emissions regulations for light-duty gasoline direct-injection vehicles.
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