Analysis of Harmful Exhaust Gas Concentrations in Cloud behind a Vehicle with a Spark Ignition Engine

Łukasz Rymaniak, Michalina Kamińska, Natalia Szymlet and Rafał Grzeszczyk
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Łukasz Rymaniak: Institute of Combustion Engines and Powertrains, Poznan University of Technology, 560-965 Poznan, Poland
Michalina Kamińska: Institute of Combustion Engines and Powertrains, Poznan University of Technology, 560-965 Poznan, Poland
Natalia Szymlet: Institute of Combustion Engines and Powertrains, Poznan University of Technology, 560-965 Poznan, Poland
Rafał Grzeszczyk: Institute of Combustion Engines and Powertrains, Poznan University of Technology, 560-965 Poznan, Poland

Energies, 2021, vol. 14, issue 6, 1-16

Abstract: The article presents issues related to the assessment of concentrations of harmful substances in the exhaust gas cloud behind the vehicle. In the theoretical part, considerations about the harmfulness of exhaust gases and methods of detection of chemical compounds were made, and the issues of von Karman vortices and the Lambert-Beer law were referred to. The test object was a vehicle equipped with an SI engine meeting the Euro 3 standard. The drive unit had a capacity of 2.8 dm 3 , a rated power reaching 142 kW at 5500 rpm and a maximum torque of 280 Nm at 3500 rpm. The measurements of the dilution of the exhaust gas cloud behind the vehicle were made in stationary conditions (laboratory) and during actual operation in the Poznań agglomeration. In the research, technically advanced equipment from the PEMS group was used. In the analysis of the obtained results, detailed considerations were made regarding the influence of the location of the measuring probe in relation to the exhaust system. As can be seen from the obtained dependencies, the vehicle motion is favorable for the assessment of concentrations behind a moving object, because the ecological indicators at successive distances behind the exhaust system achieve better parameters in most points than in a stationary test.

Keywords: remote sensing system; car emission; teledetection; combustion engines (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2021
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (3)

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