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Investigating Particulate and Nitrogen Oxides Emissions of a Plug-In Hybrid Electric Vehicle for a Real-World Driving Scenario

Feinauer, Mario and Ehrenberger, Simone and Epple, Fabius and Schripp, Tobias and Grein, Tobias (2022) Investigating Particulate and Nitrogen Oxides Emissions of a Plug-In Hybrid Electric Vehicle for a Real-World Driving Scenario. Applied Sciences, 12(3) (1404), pp. 1-17. Multidisciplinary Digital Publishing Institute (MDPI). doi: 10.3390/app12031404. ISSN 2076-3417.

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Official URL: https://www.mdpi.com/2076-3417/12/3/1404


Plug-in hybrid electric vehicles (PHEVs) show a high pollutant emission variability that strongly depends on the operating conditions of the internal combustion engine. Additionally, studies indicate that driving situations outside of the real driving emissions boundary conditions can lead to substantial pollutant emission increases. The objective of this study is to measure and analyze the particulate number (PN) and nitrogen oxides (NOx) emissions of a Euro 6 PHEV for a selected real-world driving test route in the Stuttgart metropolitan area. For this purpose, the vehicle is set out with multiple measurement devices to monitor vehicle internal and external parameters. Particle distribution results show an overall uniform pattern, which allows a comparative analysis of the different test scenarios on the basis of the PN concentration. While the trip-average PN emissions are in good agreement, transient effects during highway driving can substantially increase emissions, whereas the fuel consumption does not necessarily increase in such situations. PN measurements including ultrafine particles (UFP) show a significant increase in urban emissions due to higher cold start emission peaks. Additionally, low ambient temperatures raise the uncertainty of NOx and PN cold start emissions. With regard to future emission regulations, which claim that vehicles need to be as clean as possible in all driving situations, PHEV emission investigations for further situations outside of the current legislations are required.

Item URL in elib:https://elib.dlr.de/148564/
Document Type:Article
Title:Investigating Particulate and Nitrogen Oxides Emissions of a Plug-In Hybrid Electric Vehicle for a Real-World Driving Scenario
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Ehrenberger, SimoneUNSPECIFIEDhttps://orcid.org/0000-0002-2148-5129UNSPECIFIED
Schripp, TobiasUNSPECIFIEDhttps://orcid.org/0000-0002-1594-7331UNSPECIFIED
Date:28 January 2022
Journal or Publication Title:Applied Sciences
Refereed publication:Yes
Open Access:Yes
Gold Open Access:Yes
In ISI Web of Science:Yes
Page Range:pp. 1-17
EditorsEmailEditor's ORCID iDORCID Put Code
Publisher:Multidisciplinary Digital Publishing Institute (MDPI)
Series Name:The Effect of Vehicle Emissions on Secondary Aerosol and Air Quality
Keywords:PHEV; emissions; RDE; real-world driving; NOx; PN; particle size distribution; PEMS; EEPS
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Transport
HGF - Program Themes:Transport System
DLR - Research area:Transport
DLR - Program:V VS - Verkehrssystem
DLR - Research theme (Project):V - UrMo Digital (old)
Location: Stuttgart
Institutes and Institutions:Institute of Vehicle Concepts > Fahrzeugsysteme und Technologiebewertung
Institute of Combustion Technology > Chemical Kinetics and Analytics
Deposited By: Feinauer, Mario
Deposited On:31 Jan 2022 08:47
Last Modified:29 Mar 2023 00:01

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