Abstract
The article presents toxic exhaust components emission measurement results as well as solid particles mass and number. The test involved a direct gasoline injection engine, in which special attention should be paid to the particulates number emission. Small diameters of nanoparticles make them particularly dangerous to human health. Nowadays, vehicle engines are constantly improved and modernized as a result of the need to meet existing exhaust gas emission standards. One of the few ways to determine the actual content of toxic and harmful compounds in the exhaust gases is the RDE (Real Driving Emissions) procedure, the requirements of which apply from 2016 for new vehicles, and from 2019 will apply to all registered passenger cars. The RDE procedure does not replace the WLTP (World Light-Duty Vehicle Test Procedure), but complements it. The tests on the dynamometer are separated from external conditions such as traffic volume or congestion and are not a sufficient indicator of emissions in real traffic conditions.
Highlights
Nowadays, vehicle engines are constantly improved and modernized as a result of the need to meet existing exhaust gas emission standards
This is directly related to the risk to human health, as it is impossible or very difficult for the organism to remove particles with a diameter of less than 100 nm [5].The issue of particulate filters is standard for compression-ignition engines, but for gasoline engines it is still an area to be analyzed
Measuring equipment The equipment from the PEMS group was used for the tests, which contained a number of analyzers for the harmful compounds measurement such as: carbon dioxide (CO2), carbon monoxide (CO), hydrocarbons (HC), solid particulates in mass (PM) and number (PN) range (Fig. 2) [3]
Summary
Vehicle engines are constantly improved and modernized as a result of the need to meet existing exhaust gas emission standards. Increasing the popularity of engines powered by direct gasoline injection system on the global market resulted in amplified emission of particles with small diameters to the atmosphere [1]. This is directly related to the risk to human health, as it is impossible or very difficult for the organism to remove particles with a diameter of less than 100 nm [5].The issue of particulate filters is standard for compression-ignition engines, but for gasoline engines it is still an area to be analyzed. This publication, in addition to data on particle mass and number emission, presents the results of gaseous exhaust components in the form of nitrogen oxides and carbon dioxide emission measurements
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