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    Wyświetlanie 1-3 z 3
    Tytuł:
    Combustion engines development and real driving emissions
    Autorzy:
    Merkisz, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/247086.pdf
    Data publikacji:
    2014
    Wydawca:
    Instytut Techniczny Wojsk Lotniczych
    Tematy:
    exhaust emission
    portable emission measurement system
    real road conditions
    Opis:
    The article characterizes state-of-the-art PEMS (Portable Emission Measurement System) equipment for exhaust emissions measurement under actual operating conditions. This equipment allows measurement of the exhaust emissions from all modes of transport. Besides, the article contains the results of exhaust emission research for engines of a variety of transport applications such as light duty vehicles and heavy-duty vehicles. Own exhaust emission research results performed under different traffic conditions of new motor vehicles fuelled with different fuels (gasoline, diesel fuel and natural gas) have been compared with the type approval values that define the vehicle emission indexes. The analysis has been performed in relation to a vehicle but the proposed measurement methodology is also knit to the engine operating conditions. The testing of heavy-duty vehicles described in the book was divided into several stages for which the results obtained for these vehicles were compared for loaded and unloaded vehicles. Ecological advantages of the city buses of different powertrain configurations have been determined (diesel, hybrid) on selected regular bus lines in city centre.
    Źródło:
    Journal of KONES; 2014, 21, 2; 209-219
    1231-4005
    2354-0133
    Pojawia się w:
    Journal of KONES
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    PEMS-based investigations into exhaust emissions from non-road and rail vehicles
    Autorzy:
    Merkisz, J.
    Lijewski, P.
    Pielecha, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/133787.pdf
    Data publikacji:
    2016
    Wydawca:
    Polskie Towarzystwo Naukowe Silników Spalinowych
    Tematy:
    non road vehicle
    rail vehicles
    pollution emissions
    real driving emissions
    portable emission measurement system
    pojazd pozadrogowy
    pojazdy szynowe
    emisje zanieczyszczeń
    rzeczywista emisja cząstek
    przenośne systemy pomiaru emisji
    Opis:
    At the beginning of the twenty-first century, one of the major challenges of humanity was to reduce the negative effects of civilization development. Besides the engines used in road vehicles there is a large group of engines for non-road applications. This group includes motor propelled vehicles not used on the road NRMM (Non-Road Mobile Machinery). Engines of these vehicles, among all of the non-road applications, are characterized by very specific working conditions that do not allow for them to be qualified for propulsion engines. The main problem with these vehicles is the particulate matter and nitrogen oxides emission. Rail vehicles operating conditions these requirements take by the similar way, as having a wide range of rolling stock markedly alters the environmental impact of these vehicles. Thus it becomes necessary to consider the issue of the method of evaluation of engine emissions in rail vehicles in terms of their actual operating conditions. Thus, efforts to assess the actual level of emissivity for rail vehicles and attempts to improve it are necessary and justified.
    Źródło:
    Combustion Engines; 2016, 55, 3; 46-53
    2300-9896
    2658-1442
    Pojawia się w:
    Combustion Engines
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Determining the environmental indicators for vehicles of different categories in relation to CO2 emission based on road tests
    Autorzy:
    Merkisz, J.
    Rymaniak, Ł.
    Powiązania:
    https://bibliotekanauki.pl/articles/132884.pdf
    Data publikacji:
    2017
    Wydawca:
    Polskie Towarzystwo Naukowe Silników Spalinowych
    Tematy:
    CO2 emission
    combustion engines
    portable emission measurement system
    PEMS
    real driving emissions
    RDE
    toxicity indicators
    emisja dwutlenku węgla
    silnik spalinowy
    przenośne systemy pomiaru emisji
    rzeczywista emisja cząstek
    wskaźniki toksyczności
    Opis:
    The article discusses the possibility of determining the environmental indicators for vehicles of different categories in relation to CO2 emissions. These are called toxicity indicators because they concern the compounds: CO, THC and NOx. Three Euro V compliant vehicles with different propulsion systems types were used for the study: a 0.9 dm3 urban passenger car with a SI engine and a start-stop system, a 2.5 dm3 off-road vehicle with a CI engine, and a city bus with a hybrid drive system in series configuration and a CI engine with a displacement of 6.7 dm3. Measurements were made in actual operating conditions in the Poznan agglomeration using a portable emissions measurement system (PEMS). The paper presents the characteristics of the operating time shares of vehicles and propulsion systems as well as CO2 emissions depending on the engine load and crankshaft rotational speed for individual vehicles. The determined toxicity indicators allowed to indicate their usefulness, to make comparisons between tested vehicles, and to identify directions for further work on the application and interpretation of these indicators.
    Źródło:
    Combustion Engines; 2017, 56, 3; 66-72
    2300-9896
    2658-1442
    Pojawia się w:
    Combustion Engines
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-3 z 3

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