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    Tytuł:
    Analiza emisji gazów wylotowych wyznaczonej w teście NTE z ciężkiego pojazdu samochodowego na podstawie badań przeprowadzonych w rzeczywistych warunkach jego eksploatacji
    Analysis of exhaust emissions in the NTE test of heavy-duty vehicle under real operating conditions
    Autorzy:
    Lijewski, P.
    Merkisz, J.
    Ziółkowski, A.
    Rymaniak, Ł.
    Powiązania:
    https://bibliotekanauki.pl/articles/133851.pdf
    Data publikacji:
    2013
    Wydawca:
    Polskie Towarzystwo Naukowe Silników Spalinowych
    Tematy:
    pojazd ciężarowy
    obszar kontroli pozatestowej
    test NTE
    badania emisji gazów wylotowych
    heavy-duty vehicle
    Not-To-Exceed
    NTE test
    exhaust emissions test
    Opis:
    Wprowadzenie w 2007 roku dodatkowego testu zgodności emisyjnej dla grupy ciężkich pojazdów samochodowych – NTE (Not-To-Exceed) – sprawiło, że emisja gazów wylotowych z tej grupy jest kontrolowana w szerszym zakresie pracy jednostki napędowej. Procedura NTE jest stosowana jedynie dla jednostek napędowych homologowanych według procedur określonych przez amerykańską agencję EPA (Environmental Protection Agency). W przepisach europejskich tego typu procedury nie obowiązują. Ten argument stanowił podstawę do wykonania przez autorów pomiarów emisji gazów wylotowych z ciężkiego pojazdu samochodowego w rzeczywistych warunkach eksploatacji. Badania wykonano przy użyciu mobilnych analizatorów z grupy PEMS. Obiektem badawczym był pojazd o dopuszczalnej masie całkowitej 40 000 kg wyposażony w jednostkę napędową o pojemności skokowej 15,6 dm3 i spełniającą normę emisji Euro V. Na podstawie powyższych badań wyznaczono wartości emisji jednostkowej gazów wylotowych w obszarze pracy silnika określonym w procedurze NTE. Następnie powyższe wartości odniesiono do emisji uzyskanej w całym teście badawczym.
    The enforcement of NTE (Not-To-Exceed), dedicated to heavy-duty vehicles (HDV) to check their emission compliance, entailed exhaust emission control within a wider range of engine operation. The NTE procedure is applied only to HDV engines homologated in accordance with American EPA (Environmental Protection Agency) directives. By contrast, European regulations do not apply any such procedures currently. Therefore, the authors of this paper carried out exhaust emission tests on a heavy-duty vehicle in real conditions with the use of a PEMS portable analyzer. The HDV with 15.6 dm3 displacement applied in the tests weighed 40 000 kg and fulfilled Euro V emission standard. On the basis of the tests, the unit exhaust emission was estimated within the same range of engine operation as determined by the NTE procedure. Following, the unit exhaust emission was referred to the complete exhaust emission recorded during the whole test.
    Źródło:
    Combustion Engines; 2013, 52, 3; 696-700
    2300-9896
    2658-1442
    Pojawia się w:
    Combustion Engines
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Evaluation of the test drive cycle conditions impact on exhaust emissions from an internal combustion engine
    Autorzy:
    Andrych-Zalewska, M.
    Chłopek, Z.
    Merkisz, J.
    Pielecha, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/133164.pdf
    Data publikacji:
    2018
    Wydawca:
    Polskie Towarzystwo Naukowe Silników Spalinowych
    Tematy:
    combustion engines
    exhaust emissions
    test drive cycles
    silniki spalinowe
    emisja spalin
    test cyklu jazdy
    Opis:
    Test results of exhaust emission sensitivity to engine operating conditions from a vehicle with a compression ignition engine have been analyzed. These results were determined in driving tests: NEDC (New European Driving Cycle), RDE (Real Driving Emissions) and Malta, an original drive cycle developed at Poznan University of Technology. The tests in the NEDC and Malta cycles were carried out on the engine dynamometer in driving tests simulation conditions, while the RDE test was carried out in the real conditions of passenger car traffic. The mean exhaust emission test results of carbon monoxide, hydrocarbons, nitrogen oxides and carbon dioxide as well as the mean particle number in individual tests have been provided. A high sensitivity of the tested emission values to the changes in engine's operating conditions was found, both for static and dynamic conditions. The strongest impact of engine operating conditions was found for hydrocarbons emissions and the number of particles, followed by carbon monoxide, a smaller impact was found for nitrogen oxides and carbon dioxide. The largest differences in the values characterizing exhaust emissions were found for the NEDC test, which differed the most in dynamic engine operating conditions from other tests that closer resemble real driving conditions of vehicles.
    Źródło:
    Combustion Engines; 2018, 57, 4; 3-9
    2300-9896
    2658-1442
    Pojawia się w:
    Combustion Engines
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Research and analysis of harmful road emissions from a two-wheel vehicle engine in laboratory conditions
    Autorzy:
    Szymlet, N.
    Rymaniak, Ł.
    Lijewski, P.
    Sokolnicka, B.
    Siedlecki, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/973126.pdf
    Data publikacji:
    2018
    Wydawca:
    Polskie Towarzystwo Naukowe Silników Spalinowych
    Tematy:
    two-wheeler
    motorcycle exhaust emissions
    World Motorcycles Test Cycle
    WMTC test
    dwukołowiec
    emisje spalin z silników motocyklowych
    test WMTC
    Opis:
    The subject of this article is the identification of engine exhaust emissions of two-wheel vehicles under laboratory conditions. For this purpose, analysis of road and time emission of gaseous compounds: HC, CO, CO2, NOx from a motorcycle equipped with an engine with a displacement volume of 0.7 dm3 and a maximum power of 55 kW was made. The tests were performed on a dynamometer station designed for testing two-wheel vehicles. The speed characteristic was taken from the European type approval test WMTC, consisting of three parts. Each of these parts lasted 600 seconds and was characterized by a different maximum vehicle speed value. The mobile AXION R/S apparatus part of the PEMS device group was used in the research. What is more, the exhaust emissions results were referred to the values listed by the exhaust emission standard met by the tested vehicle (Euro 4 standard). Laboratory tests presented in the article are only intended as a basis for further research, which includes exhaust emission tests from two-wheel vehicles in real operating conditions.
    Źródło:
    Combustion Engines; 2018, 57, 2; 41-46
    2300-9896
    2658-1442
    Pojawia się w:
    Combustion Engines
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The concept of a maintenance-free drive-thru inspection station for commercial vehicles
    Autorzy:
    Brzeżański, Marek
    Mareczek, Michał
    Noga, Marcin
    Powiązania:
    https://bibliotekanauki.pl/articles/2097582.pdf
    Data publikacji:
    2022
    Wydawca:
    Polskie Towarzystwo Naukowe Silników Spalinowych
    Tematy:
    exhaust emissions
    screening test
    vehicle inspection
    remote sensing
    emisje spalin
    badania przesiewowe
    kontrola pojazdów
    teledetekcja
    Opis:
    The article presents the concept of a maintenance-free inspection station intended for conducting drive-thru tests of commercial vehicles. The main purpose of building this type of diagnostic line is to carry out non-invasive, preliminary tests of heavy-duty vehicles entering the vehicle service area in terms of parameters affecting the safety of their operation in relation to the applicable standards. The main parameter to be assessed will be the concentration of toxic exhaust components, measured using remote sensing methods. In addition, the proposed diagnostic line can be supplemented with additional remote measurement systems, such as, for example, systems for assessing the condition of vehicle lighting, loads on individual axles and individual wheels of the vehicle, tire pressure, thermal load of the brake system, as well as a system for detecting leaks of fluids from the vehicle. Based on the carried out work, it has been shown that using the current specialist knowledge and the components of measurement systems available on the market, it is possible to develop an innovative diagnostic line using remote measurement methods.
    Źródło:
    Combustion Engines; 2022, 61, 1; 35--41
    2300-9896
    2658-1442
    Pojawia się w:
    Combustion Engines
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Cold start emissions from a gasoline engine in RDE tests at different ambient temperatures
    Autorzy:
    Kurtyka, Karolina
    Pielecha, Jacek
    Powiązania:
    https://bibliotekanauki.pl/articles/2097463.pdf
    Data publikacji:
    2020
    Wydawca:
    Polskie Towarzystwo Naukowe Silników Spalinowych
    Tematy:
    cold start
    RDE test
    exhaust emissions
    ambient temperature
    gasoline engine
    zimny rozruch
    test RDE
    emisja spalin
    temperatura otoczenia
    silnik benzynowy
    Opis:
    The implementation of the 3rd package of the RDE test procedure has extended the test method by considering emissions from a cold start period into the total exhaust emissions from a vehicle. The article presents the research results of exhaust emissions of a vehicle equipped with a gasoline engine. The tests were carried out at two different ambient temperatures, in line with the requirements of the RDE test procedure for passenger cars, meeting the Euro 6d-Temp emissions standard. The obtained results were analyzed, i.e. there were compared the engine and vehicle operating parameters and the values of road exhaust emissions during the cold start at two different ambient temperatures. The summary presents the shares of the cold start phase for each exhaust emission compound in the urban part of the test and the entire RDE test, depending on the ambient temperature (8ºC and 25ºC).
    Źródło:
    Combustion Engines; 2020, 59, 2; 24--30
    2300-9896
    2658-1442
    Pojawia się w:
    Combustion Engines
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    World-wide trends in powertrain system development in light of emissions legislation, fuels, lubricants, and test methods
    Autorzy:
    Bielaczyc, Piotr
    Woodburn, Joseph
    Joshi, Ameya
    Powiązania:
    https://bibliotekanauki.pl/articles/2097492.pdf
    Data publikacji:
    2021
    Wydawca:
    Polskie Towarzystwo Naukowe Silników Spalinowych
    Tematy:
    global LD exhaust emissions
    global HD exhaust emissions
    powertrains development
    LD IC engines
    HD IC engines
    test methods
    fuel development
    globalna emisja spalin
    rozwój układów napędowych
    silniki spalinowe
    metody badawcze
    rozwój paliw
    Opis:
    Both the light- and heavy-duty sectors of the automotive industry are currently under unprecedented pressure from a wide range of factors, particularly in terms of environmental performance and fuel consumption. Test procedures have undergone massive changes and continue to evolve, meaning that standards are becoming much harder to meet, especially in Europe but also in other continents. Such developments force changes in testing methodology, the development of powertrains themselves and their aftertreatment systems and strategies and calibrations. This paper reports and summarises the topics of the PTNSS Congress and attempts a synthesis on the current status of the field of LD ad HD IC engines, hybrid powertrains and electric vehicles, engine fuel and oil and what the coming years may hold for the automotive and fuel industries and other allied fields.
    Źródło:
    Combustion Engines; 2021, 60, 1; 57--71
    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
    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:
    Ocena ekologiczna autobusów komunikacji miejskiej zasilanych gazem ziemnym
    Ecological assessment of city buses powered by natural gas
    Autorzy:
    Gis, W.
    Merkisz, J.
    Pielecha, J.
    Gis, M.
    Jasiński, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/133077.pdf
    Data publikacji:
    2015
    Wydawca:
    Polskie Towarzystwo Naukowe Silników Spalinowych
    Tematy:
    ekologia
    emisja spalin
    gaz ziemny
    badanie w rzeczywistych warunkach ruchu
    autobusy komunikacji miejskiej
    ecology
    exhaust emissions
    natural gas
    real drive emission test
    city buses
    Opis:
    Tematyka artykułu dotyczy analizy parametrów ekologicznych autobusów komunikacji miejskiej wyposażonych w silniki spalinowe zasilane paliwem alternatywnym. W artykule przedstawiono wybrane wyniki pomiarów emisji zanieczyszczeń autobusów miejskich przeprowadzonych w dwóch etapach: jazdy standardowej oraz zgodnej z zasadami ecodrivingu. Analiza wyników ma charakter porównawczy dla różnych stylów jazdy autobusów. Podano także charakterystyki udziału czasu pracy w przedziałach: prędkości i przyspieszenia odniesionych do pojazdu oraz prędkość obrotowa wału korbowego i obciążenia odniesionych do silnika. W tych samych przedziałach przedstawiono również charakterystyki emisji mierzonych związków spalin. Wnioski odniesiono głównie do aspektów ekologicznych uzyskanych dla różnych stylów jazdy autobusem miejskim.
    The article concerns the analysis of the environmental performance of public buses equipped with combustion engines powered by alternative fuel. The paper presents selected results of the emission measurement of buses carried out in two stages: normal driving and consistent with the principles of eco-driving. Analysis of the results is a comparison of two different styles of driving. The characteristics of the operating time share have been shown in the coordinates of: speed and acceleration referenced to the vehicle and the rotational speed of the crankshaft and the load referenced to the engine. In the same ranges also the characteristics of measured exhaust compounds are shown. The conclusions are mainly referenced to ecological aspects of different driving styles of city buses.
    Źródło:
    Combustion Engines; 2015, 54, 3; 360-368
    2300-9896
    2658-1442
    Pojawia się w:
    Combustion Engines
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Trends in automotive emissions legislation: impact on LD engine development, fuels, lubricants, and test methods – a global view, with a focus on WLTP and RDE regulations – Summary of the 6th International Exhaust Emissions Symposium (IEES)
    Autorzy:
    Bielaczyc, P.
    Woodburn, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/133409.pdf
    Data publikacji:
    2018
    Wydawca:
    Polskie Towarzystwo Naukowe Silników Spalinowych
    Tematy:
    global trends of exhaust emissions
    emissions standards
    IC engines
    RDE
    WLTP
    WLTC
    test methods
    fuel development
    hybrid vehicles
    electric vehicles
    światowe trendy emisji spalin
    standardy emisji
    silniki spalinowe
    rozwój paliw
    pojazdy hybrydowe
    pojazdy mechaniczne
    Opis:
    Among the drivers influencing vehicular powertrain development, the field of vehicular exhaust emissions is experiencing wideranging and rapid changes. New emissions regulations such as Euro 6d and new test methods (RDE and WLTP) are the main challenges for the automotive industry caused by political, socioeconomic and technical factors. 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 becoming increasingly stringent, the list of parameters subject to legal limits are slowly expanding – and, most importantly, these limits must be met under a wide range of conditions. A range of strategies are available to overcome these difficulties, which was explored during the 6th International Exhaust Emissions Symposium (IEES) hosted at BOSMAL in June 2018. This paper reports and summarises the topics of the 6th IEES and attempts a synthesis on the current status of the field of IC engines, hybrid powertrains and electric vehicles and what the coming years may hold for the automotive and fuel industries and other allied fields.
    Źródło:
    Combustion Engines; 2018, 57, 3; 56-65
    2300-9896
    2658-1442
    Pojawia się w:
    Combustion Engines
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-10 z 10

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