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    Tytuł:
    On-road exhaust emissions from passenger cars fitted with a start-stop system
    Badania emisji spalin samochodów osobowych z systemem start-stop w rzeczywistych warunkach ruchu
    Autorzy:
    Merkisz, J.
    Pielecha, I.
    Pielecha, J.
    Brudnicki, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/224329.pdf
    Data publikacji:
    2011
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    system start-stop
    spaliny
    badania emisji spalin
    start-stop system
    exhaust emission
    real traffic conditions
    Opis:
    The paper presents the results of on-road (city traffic) exhaust emission and fuel consumption tests related to a vehicle fitted with a start-stop system. The tests of different types of vehicle cruise cycles were performed on road portions of several kilometers under different traffic conditions. For the tests a portable exhaust analyzer SEMTECH DS was used. It measured the concentrations of the exhaust components and the exhaust gas mass flow. As a result the authors determined the usefulness of the engine disengaging systems in vehicles under the conditions of city traffic.
    W artykule przedstawiono rezultaty z badań emisji związków szkodliwych z silnika oraz zużycia paliwa pojazdu wyposażonego w układ start-stop w rzeczywistych warunkach ruchu miejskiego. Testy dla różnych typów przejazdów wykonywano na odcinkach kilkudziesięciu kilometrów w różnych warunkach drogowych. Do pomiarów stężenia związków toksycznych wykorzystano mobilny analizator do badań toksyczności SEMTECH DS firmy SENSORS. Analizator umożliwiał pomiar stężenia związków szkodliwych, mierząc jednocześnie masowe natężenie spalin. W efekcie otrzymanych wyników, określony został sens stosowania układów wyłączających silnik w warunkach ruchu miejskiego.
    Źródło:
    Archives of Transport; 2011, 23, 1; 37-46
    0866-9546
    2300-8830
    Pojawia się w:
    Archives of Transport
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Assessment of impact of vehicle traffic conditions: urban, rural and highway, on the results of pollutant emissions inventory
    Autorzy:
    Bebkiewicz, Katarzyna
    Chłopek, Zdzisław
    Sar, Hubert
    Szczepański, Krystian
    Zimakowska-Laskowska, Magdalena
    Powiązania:
    https://bibliotekanauki.pl/articles/2067401.pdf
    Data publikacji:
    2021
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    vehicle traffic
    traffic conditions
    pollutant emission inventory
    pollutant emissions modelling
    ruch pojazdów
    warunki ruchu
    inwentaryzacja emisji zanieczyszczeń
    modelowanie emisji zanieczyszczeń
    Opis:
    The use of motor vehicles varies considerably under distinct traffic conditions: in cities, outside cities as well as on motor-ways and expressways. The impact of road traffic on the natural environment has been studied for many years, including in terms of the nature of the operation of motor vehicles. This problem is particularly important in highly urbanized areas, where traffic congestion is the source of increased emissions of harmful compounds contained in exhaust gases. For this reason, many cities have traffic restrictions, especially for those cars that do not meet the most stringent emission standards. Environmental protection is the driving force behind the development of modern combustion engine supply systems, which allow for proper control of the combustion of petroleum-derived fuels. The exhaust gas cleaning systems in the form of catalytic converters or particulate matter filters are also playing a very important role. Considerable differences in internal combustion engine operating states, both static and dynamic, result in important differences in pollutant emissions. Likewise, the national annual pollutant emission is affected by the share of distances travelled by vehicles under various traffic conditions. At the same time, it is very difficult to estimate exhaust emissions from road transport sources. Very interesting method of emission estimation is the application of the data included in the emission inventory which are a valuable source of information on exhaust emissions under various operating conditions. In the present study, the annual pollutant emissions were analyzed: at a national level (total pollutant emission) and in distinct traffic conditions. There were found large differences between individual pollutants’ shares in the emissions from vehicles under the tested traffic conditions. This is particularly evident for nitrogen oxides with the highest emission share outside cities, as opposed to other substances with the highest emission shares in cities, where traffic congestion is taking place.
    Źródło:
    Archives of Transport; 2021, 60, 4; 57--69
    0866-9546
    2300-8830
    Pojawia się w:
    Archives of Transport
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Proecological approach to modelling traffic organization in national transport system
    Autorzy:
    Jacyna, M.
    Merkisz, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/224083.pdf
    Data publikacji:
    2014
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    ecology of transport
    sustainable development
    pollutant emission indexes
    ekologia transportu
    rozwój zrównoważony
    wskaźniki emisji zanieczyszczeń
    Opis:
    The paper presents a general approach to modelling traffic organization within the network of national transport system and with taking into account environmental aspects. General description of the model and necessary data for modelling are presented. The exact mathematical formulation of constrains and criteria functions assessing quality of traffic organization and taking into account level of emission of harmful compounds of exhaust gases are provided. The assessment of traffic organization in transport network is made in aspect of programming transport system development in ecological terms. Particular attention was paid to technical and ecological features of infrastructure and means of transport. What is important, model uses emission indexes set in real traffic conditions. The example of multi-variant distribution of freight traffic into the transport network is provided. Example was prepared with regard to environmental factors in simulation modelling tool EMITRANSYS developed in PTV VISUM.
    Źródło:
    Archives of Transport; 2014, 30, 2; 31-41
    0866-9546
    2300-8830
    Pojawia się w:
    Archives of Transport
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Analysis of the traffic stream distribution in terms of identification of areas with the highest exhaust pollution
    Autorzy:
    Ambroziak, T.
    Jachimowski, R.
    Pyza, D.
    Szczepański, E.
    Powiązania:
    https://bibliotekanauki.pl/articles/223597.pdf
    Data publikacji:
    2014
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    transport
    proecological transport system
    PTV Visum
    emission pollution
    transport proekologiczny
    emisja zanieczyszczeń
    Opis:
    Transport is a sector that is said to be negatively affecting the environment. The continuous development of transport increases the negative impact on the environment and civilization. In the article authors present the parameters that were used to describe the size of harmful transport exhaust emissions, in particular by means of road transport and the factors affecting their size. The areas where the level of concentrations of air pollutants are exceeded in Poland were characterized and analysed. Also examples of the stream traffic distribution in the selected area of the transport network were presented.
    Źródło:
    Archives of Transport; 2014, 32, 4; 7-16
    0866-9546
    2300-8830
    Pojawia się w:
    Archives of Transport
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-4 z 4

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