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Wyszukujesz frazę "real driving emissions test" wg kryterium: Temat

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    Wyświetlanie 1-4 z 4
    Tytuł:
    The impact of drive mode of a hybrid drive system on the energy flow indicators in the RDE test
    Autorzy:
    Fluder, K.
    Pielecha, I.
    Cieślik, W.
    Powiązania:
    https://bibliotekanauki.pl/articles/133194.pdf
    Data publikacji:
    2018
    Wydawca:
    Polskie Towarzystwo Naukowe Silników Spalinowych
    Tematy:
    hybrid electric vehicles
    energy management
    electric range
    real driving conditions
    real driving emissions test
    samochody hybrydowe
    zarządzanie energią
    zasięg elektryczny
    rzeczywiste warunki jazdy
    test rzeczywistej emisji cząstek
    Opis:
    The drive to reduce fuel consumption of vehicles equipped with internal combustion engines leads to an increasing share of hybrid drives used in various means of transport. Such hybrid vehicles, thanks to the use of diesel-electric drive systems, allow for a fuel consumption reduction, and thus to reduce the carbon dioxide emissions. This fuel consumption reduction results from a specifically selected energy flow strategy in hybrid systems. This strategy was the focus of the research performed in order to identify the energy flow conditions in a hybrid drive system in driving conditions corresponding to the RDE test. A Lexus LS 500h vehicle was tested in two drive modes, while determining the related energy flow conditions, including the operating conditions of: electric motors, internal combustion engine and battery. Energy balance was determined taking into account the high voltage battery discharge and charging energy as well as the energy recovered during regenerative braking. It was found that in the RDE test conditions the vehicle is in electric mode for over 30% of the distance and 35% of the drive time, with the energy balance of the vehicle being positive (SOCend > SOCstart). Additionally, it was pointed out that the time spent in the electric mode when driving in urban conditions is about 50% and decreases to about 15% for highway conditions.
    Źródło:
    Combustion Engines; 2018, 57, 4; 18-25
    2300-9896
    2658-1442
    Pojawia się w:
    Combustion Engines
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Selected problems of real driving emissions measurement
    Autorzy:
    Merkisz, J.
    Pielecha, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/242440.pdf
    Data publikacji:
    2017
    Wydawca:
    Instytut Techniczny Wojsk Lotniczych
    Tematy:
    exhaust emissions
    road test
    real driving emissions
    environmental protection
    Opis:
    The article compares driving test data using the latest legislative proposals applicable to passenger cars. Real Driving Emissions procedures have been introduced in the Commission Regulation (EU) 2016/427. Currently, quantitative RDE requirements have been established to limit emissions from exhaust systems in all operating conditions in accordance with the road emission limits set out in Regulation (EC) No. 715/2007. Several measurements were performed on the same test route in accordance with the RDE test guidelines, which requires a number of criteria to be met. These criteria include the length of the measuring segments, their overall test timeshare, and the dynamic characteristics of the drive. A mobile device for reading the EOBD System information was used to record the engine and vehicle operating parameters during tests. This allowed for the monitoring of parameters such as: load value, engine speed and vehicle velocity. The obtained results were then analysed for their compatibility with the RDE procedure requirements. Despite the same research route, the obtained results were not the same. The analysis also uses the two-dimensional operating time-share characteristics expressed in vehicle velocity and acceleration co-ordinates. As a result, it was possible to compare the dynamic properties, share of operating time and, consequently, to check the validity of conducted drive tests in terms of their practicability and emission values.
    Źródło:
    Journal of KONES; 2017, 24, 3; 189-196
    1231-4005
    2354-0133
    Pojawia się w:
    Journal of KONES
    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
    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
      Wyświetlanie 1-4 z 4

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