Temat: Real Driving Emissions - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Determining if Exhaust Emission From Light Duty Vehicle During Acceleration on The Basis of On-Road Measurements and Simulations
Autorzy:: Nowak, Mateusz
Kamińska, Michalina
Szymlet, Natalia
Powiązania:: https://bibliotekanauki.pl/articles/2027939.pdf
Data publikacji:: 2021
Wydawca:: Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:: air pollution
real driving emissions
PEMS
simulation
CO₂ emission
Opis:: Vehicle exhaust emissions depend on multiple factors, such as the emission norm, driving parameters (speed, acceleration) or the technical condition of the vehicle. These driving parameters may often depend on the condition of the road infrastructure and other factors influencing road conditions. The article attempted to assess the emissivity during acceleration of a vehicle powered by a compression ignition engine. Mapping the actual values is possible with the use of exhaust emission measurement equipment that operates under the actual operating conditions of a vehicle. Recently, an increase in the use of simulation methods in research of this type has been observed. The authors decided to check the suitability of using road traffic simulation software to estimate the $CO_2$ emissions during vehicle acceleration. The obtained results are promising, because in terms of the emissions of the analyzed exhaust gas component, the simulation results differed from the results obtained during measurements with the use of Portable Emissions Measurement System (PEMS) equipment by less than ±20%.
Źródło:: Journal of Ecological Engineering; 2021, 22, 10; 63-72
2299-8993
Pojawia się w:: Journal of Ecological Engineering
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Influence of the Particulate Filter Use in the Spark Ignition Engine Vehicle on the Exhaust Emission in Real Driving Emission Test
Autorzy:: Siedlecki, Maciej
Szymlet, Natalia
Sokolnicka, Barbara
Powiązania:: https://bibliotekanauki.pl/articles/124146.pdf
Data publikacji:: 2020
Wydawca:: Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:: Real Driving Emissions
emission
gasoline particulate filter
particulate matter
Opis:: The introduction of new exhaust emissions norms for motor vehicles forces manufacturers to rely on th new technologies of exhaust gas aftertreatment and emission reduction. The past studies by the authors demonstrated a significant emission of nanoparticles from the gasoline engines with direct fuel injection, especially dangerous for the human health and life. The latest solution is a particulate filter designed for spark ignition engines, introduced in parallel with a norm limiting their number emission. The research conducted within the article concerned testing its effectiveness by measuring the vehicle equipped with and without the filter under real driving conditions. The drive cycle was made in accordance with the requirements of the RDE (Real Driving Emission) standard using PEMS (Portable Emissions Measurement System) equipment. The values of harmful gaseous components and solid particles were measured in terms of mass and number. The comparison of emission results indicated a significant efficiency of the filter in terms of particle weight and number reduction. The dimensional distribution of particle diameters were also analyzed, which changed as a result of the filter. The authors believe that the filter efficiency is the result of much higher temperatures of exhaust gases than in the case of diesel engines, which causes the incineration.
Źródło:: Journal of Ecological Engineering; 2020, 21, 1; 120-127
2299-8993
Pojawia się w:: Journal of Ecological Engineering
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Analysis of the Exhaust Emissions of Toxic Compounds from a Special Purpose Rail Machine PŁT-500 During Profiling the Ballast Cess
Autorzy:: Daszkiewicz, Paweł
Andrzejewski, Maciej
Urbański, Patryk
Woch, Aleksandra
Stefańska, Natalia
Powiązania:: https://bibliotekanauki.pl/articles/1955467.pdf
Data publikacji:: 2021
Wydawca:: Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:: exhaust emission
non-road mobile machinery
real driving emissions
special purpose rail machine
PŁT-500 machine
railway subgrader
Opis:: Track works typically require the use of special-purpose rail machines, in which the main source of propulsion includes high-power compression ignition engines. Reliance on these types of engines, which are characterized by a significant degree of wear and tear, relates to relatively high specific fuel consumption and the exhaust emissions of toxic compounds. Using such rail machines to perform modernization and repair works has a negative impact on the natural environment. The article presents test results of toxic compounds exhaust emissions as measured from a special purpose rail machine. The tested vehicle was a machine designed for profiling the ballast cess labeled as PŁT-500. The machine was classified as NRMM (Non Road Mobile Machinery) as well as used for profiling and cleaning the cess. A PEMS (Portable Emissions Measurement System) type apparatus was used for the emissions measurement. This made it possible to measure the exhaust emissions as RDE (Real Driving Emissions) of toxic compounds from the machine under real operating conditions. The obtained test results include the measured exhaust emissions of gaseous compounds: CO, CO2, HC and NOx as well as the vehicle fuel consumption while performing its track works.
Źródło:: Journal of Ecological Engineering; 2021, 22, 7; 80-88
2299-8993
Pojawia się w:: Journal of Ecological Engineering
Dostawca treści:: Biblioteka Nauki

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