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    Wyświetlanie 1-2 z 2
    Tytuł:
    The impact of ignition system damage on the emission of toxic substances in a spark-ignition internal combustion engine
    Autorzy:
    Dziubiński, Mieczysław
    Siemionek, Ewa
    Drozd, Artur
    Ścirka, Michał
    Kiszczak, Adam
    Sobota, Krzysztof
    Powiązania:
    https://bibliotekanauki.pl/articles/133381.pdf
    Data publikacji:
    2019
    Wydawca:
    Polskie Towarzystwo Naukowe Silników Spalinowych
    Tematy:
    spark-ignition internal combustion engine
    emission of toxic substances
    exhaust standards
    ignition system defects
    diagnostics
    silnik spalinowy o zapłonie iskrowym
    emisja substancji toksycznych
    normy emisji spalin
    uszkodzenia układu zapłonowego
    diagnostyka
    Opis:
    The article discusses the impact of ignition system damage on the emission of toxic subcategories in a spark-ignition internal combustion engine. The aim of the work was to develop an analytical model of ignition system diagnostics, test performance and comparative analysis of the results of simulations and experiments. The model developed allows to analyse the basic parameters of the ignition system affecting the content of toxic substances in the exhaust. Experimental tests were carried out using the MAHA MGT5 exhaust gas analyser for four different combustion engines fueled with petrol at various operating conditions. During the tests, the content of toxic substances in the exhaust gas of a properly working engine and the engine working with damage to the ignition system were registered. The tests will be used to assess the impact of the damage of the spark-ignition engine on the emission of individual components of toxic fumes.
    Źródło:
    Combustion Engines; 2019, 58, 4; 86-92
    2300-9896
    2658-1442
    Pojawia się w:
    Combustion Engines
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The relationship between bicycle traffic and the development of bicycle infrastructure on the example of Warsaw
    Autorzy:
    Krukowicz, Tomasz
    Firląg, Krzysztof
    Sobota, Aleksander
    Kołodziej, Tomasz
    Novačko, Luka
    Powiązania:
    https://bibliotekanauki.pl/articles/2067411.pdf
    Data publikacji:
    2021
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    bicycle
    cycle paths
    bicycle infrastructure
    sustainable transport
    vulnerable road user
    Warsaw
    rower
    ścieżka rowerowa
    infrastruktura rowerowa
    transport zrównoważony
    użytkownik dróg
    Warszawa
    Opis:
    The article presents the relationship between the intensity of bicycle traffic volume and the development of bicycle infrastructure on the example of Warsaw. There has been a big increase in cycling over the last decade. At the same time, the linear and point bicycle infrastructure developed very strongly. Similar trends are also observed in other cities in Poland. The article presents the types of infrastructure available to cyclists. Then, the method of assessing the bicycle infrastructure is presented, taking into account the five features of good bicycle infrastructure: cohesion, directness, attractiveness, safety and comfort. In terms of coherence, the analysis covered the bicycle infrastructure network in the vicinity of the measurement site. The directness was tested by checking the accessibility of several dozen of the most important nodal points of the city's communication network. The attractiveness was examined by checking the availability of public bike stations, bicycle racks and bike-sharing stations. The infrastructure adjusted to the technical class of the road was adopted as a measure of safety. The comfort was checked by analyzing the quality of the road surface, which affects the driving comfort and energy expenditure. All the factors presented impact the cyclist's assessment of the infrastructure. To standardize the assessment rules, an aggregate index of the development of bicycle infrastructure was determined. The analysis was carried out for 10 sample points for four consecutive years. The points were characterized by different bicycle infrastructure, location in the city road network and different results of bicycle traffic measurements. The analysis showed a strong positive relationship between traffic and cycling infrastructure for most of the analyzed places. There was a negative dependence in the case of the construction of alternative routes in relation to the place of traffic measurements. The obtained results are the same as in the works of other authors. However, the effects of work do not allow to determine which of the examined factors is the cause and which is the effect but only show the existing relationship.
    Źródło:
    Archives of Transport; 2021, 60, 4; 187--203
    0866-9546
    2300-8830
    Pojawia się w:
    Archives of Transport
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-2 z 2

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