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    Wyświetlanie 1-3 z 3
    Tytuł:
    Remarks about real driving emissions tests for passenger cars
    Autorzy:
    Merkisz, J.
    Pielecha, J.
    Jasiński, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/223595.pdf
    Data publikacji:
    2016
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    exhaust emissions
    vehicle testing
    emission standards
    Real Driving Emissions
    emisje spalin
    badania pojazdu
    normy emisji
    Opis:
    New test procedures for determining exhaust emission from passenger vehicles will be introduced in 2017. For several years, the European Commission has been developing new procedures, which aim is to perform tests in road conditions. The purpose is to determine the real values of emissions, which are not always reflected by the level of emissions obtained in the laboratory. Proper and accurate procedures for determining emissions in real traffic conditions (RDE – Real Driving Emission) have not yet been approved (as opposed to Heavy Duty Vehicles for which such conditions already exist), but there are proposals that are currently being analyzed by major research centers in Europe. There are many differences between those proposals such as determining road emission or research methodology related to emission measurement of hydrocarbons. The work compares the results of emissions measured in road tests using the latest legislative proposals related to passenger cars. The results are shown in relation to the used measurement method: classic method of determining exhaust emission; uses all measurement data determining the mass of harmful compounds and distance travelled during the test; method of averaging the measuring windows (MAW – moving average windows), also in the literature called EMROAD method, which determines the measurement windows (on the basis of carbon dioxide emissions from the WLTC test) and on its basis determines the road emission in RDE test; generalized method of instantaneous power (Power Binning), known in the literature as CLEAR – Classification of Emissions from Automobiles in Real driving, determines road emissions on the basis of generalized instantaneous power during the RDE test.
    Źródło:
    Archives of Transport; 2016, 39, 3; 51-63
    0866-9546
    2300-8830
    Pojawia się w:
    Archives of Transport
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Trends in automotive emissions, fuels, lubricants, legislation and test methods –a global view, with a focus on the EU & US – summary of the 5th International Exhaust Emissions Symposium (IEES)
    Autorzy:
    Bielaczyc, P.
    Woodburn, J.
    Gandyk, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/132954.pdf
    Data publikacji:
    2016
    Wydawca:
    Polskie Towarzystwo Naukowe Silników Spalinowych
    Tematy:
    exhaust emissions
    emission standards
    RDE
    Real Driving Emissions
    WLTP
    Worldwide harmonized Light vehicles Test Procedures
    WLTC
    biofuel
    exhaust aftertreatment systems
    fuel
    lubricant
    emisja spalin
    standardy emisji
    rzeczywista emisja cząstek
    biopaliwa
    system oczyszczania spalin
    paliwo
    olej
    Opis:
    The field of vehicular exhaust emissions is experiencing wide-ranging and rapid changes. Air quality is very high on the political agenda and pressure remains to limit and reduce greenhouse gas emissions from the road transport sector. In addition to limits being increasingly stringent, the list of parameters subject to legal limits are slowly expanding – and, most importantly, these limits must be met under a wide wide range of conditions. A range of strategies are available to overcome these difficulties, which was explored during the 5th International Exhaust Emissions Symposium (IEES) hosted at BOSMAL in May 2016. This paper reports and summarises the topics of the 5th IEES and attempts a synthesis on the current status of the field and what the coming years may hold for the automotive and fuel industries and other allied fields.
    Źródło:
    Combustion Engines; 2016, 55, 3; 76-82
    2300-9896
    2658-1442
    Pojawia się w:
    Combustion Engines
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Current directions in LD powertrain technology in response to stringent exhaust emissions and fuel efficiency requirements
    Autorzy:
    Bielaczyc, P.
    Woodburn, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/133923.pdf
    Data publikacji:
    2016
    Wydawca:
    Polskie Towarzystwo Naukowe Silników Spalinowych
    Tematy:
    silnik LD
    technologia napędowa
    emisja spalin
    normy emisji
    WLTP
    RDE
    rzeczywista emisja cząstek
    LD engines
    powertrain technology
    exhaust emissions
    emissions standards
    Worldwide harmonized Light vehicles Test Procedures
    Real Driving Emissions
    Opis:
    The major global automotive markets have all set limits for exhaust emissions from new road vehicles, which have become increasingly stringent over the past few decades. There is also considerable pressure to reduce fuel consumption and CO2 emissions – around 80% of all new passenger cars sold globally are subject to some kind of energy efficiency regulation. Such legal requirements necessitate extensive R&D and testing and the entire field is undergoing a period of rapid change. Despite a recent trend towards harmonisation, at present significant regional differences exist, which vary from the analytical laboratory methods specified, the list of regulated pollutants, the numerical values of the emissions limits and the test cycles employed for engine and chassis dynamometer testing of vehicles and their powertrains. Here the key points are reviewed and strategies and technologies employed to deal with these emissions challenges are discussed. Incoming automotive emissions regulations including the WLTP and Real Driving Emissions are discussed and in conclusion likely directions in powertrain technology are identified.
    Źródło:
    Combustion Engines; 2016, 55, 3; 62-75
    2300-9896
    2658-1442
    Pojawia się w:
    Combustion Engines
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-3 z 3

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