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    Wyświetlanie 1-8 z 8
    Tytuł:
    Tendencje w zmianach przepisów dotyczących emisji związków toksycznych spalin z silników pojazdów szynowo-drogowych
    Tendencies in the changes of the rules relative to the emission of the toxic compounds of the exhaust gas from the engines of the rail-road vehicles
    Autorzy:
    Merkisz, Jerzy
    Lijewski, Piotr
    Walasik, Sławomir
    Powiązania:
    https://bibliotekanauki.pl/articles/35072704.pdf
    Data publikacji:
    2007
    Wydawca:
    Sieć Badawcza Łukasiewicz - Poznański Instytut Technologiczny
    Tematy:
    emisja związków toksycznych
    spaliny
    silniki pojazdów szynowo-drogowych
    ochrona środowiska
    Opis:
    W artykule przedstawiono aktualne przepisy dotyczące problemu emisji związków toksycznych spalin z silników o zastosowaniach pozadrogowych. Do tej grupy pojazdów należy zaliczyć także pojazdy wykorzystywane do wykonywania prac specjalistycznych i przetokowych na torach kolejowych. Zaprezentowano rozwiązania prawne obowiązujące w Europie i Stanach Zjednoczonych. Ponadto przedstawiono propozycje przyszłych regulacji prawnych. Opisano również główne kierunki zmian w konstrukcji silników pojazdów o zastosowaniach pozadrogowych, jakie będą konieczne do wprowadzenia, aby silniki spełniły wymagania dotyczące ochrony środowiska naturalnego.
    The current rules relative to the problem of emission of the toxic compounds of the exhaust gas from the engines with the non- road applications are presented in this article. To this group of vehicles it should be also included the vehicles used for the specialistic and shunting works on the railway tracks. The legal solutions that are obligatory in Europe and the USA are presented. More-over, the proposals of the future legal regulations are presented. The main directions of the changes in construction of the engines of vehicles with non-road applications are also described that will be necessary for introduction in order to the engines will meet the requirements relative to the natural environment protection.
    Źródło:
    Rail Vehicles/Pojazdy Szynowe; 2007, 1; 5-12
    0138-0370
    2719-9630
    Pojawia się w:
    Rail Vehicles/Pojazdy Szynowe
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Problems of exhaust emissions testing from machines and mobile devices in real operating conditions
    Autorzy:
    Lijewski, Piotr
    Fuć, Paweł
    Markiewicz, Filip
    Dobrzyński, Michał
    Powiązania:
    https://bibliotekanauki.pl/articles/134162.pdf
    Data publikacji:
    2019
    Wydawca:
    Polskie Towarzystwo Naukowe Silników Spalinowych
    Tematy:
    emission
    combustion engines
    PEMS
    emisja
    silniki spalinowe
    Opis:
    The article presents selected problems concerning tests of toxic exhaust emissions from engines of vehicles, mobile devices, engines used in gardening and construction works. For this group of engines, this type of testing is carried out primarily in laboratory conditions, however, variable load conditions during actual operation justify efforts to determine the level of emissions in real operating conditions. Research in real operating conditions for different engine categories becomes increasingly more standard, in this aspect, it is necessary to verify the state of knowledge and methodology in the aspect of testing engines of machines and mobile devices. The research performed by the authors was the first of this type using PEMS equipment, hence some conclusions and observations can be made from the obtained results. At present, the type approval procedures for the engine group in question do not account for emissions tests in real operating conditions, while also missing any description of a standardized research methodology. In addition, the engine group in question is not really suitable for testing in real conditions. An introduction to research aimed at developing an exhaust emission test methodology in real operating conditions of mobile device engines was included in the article.
    Źródło:
    Combustion Engines; 2019, 58, 4; 292-296
    2300-9896
    2658-1442
    Pojawia się w:
    Combustion Engines
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Use of toxicity indicators related to CO2 emissions in the ecological assessment of an two-wheel vehicle
    Autorzy:
    Szymlet, Natalia
    Kamińska, Michalina
    Lijewski, Piotr
    Rymaniak, Łukasz
    Tutak, Przemysław
    Powiązania:
    https://bibliotekanauki.pl/articles/2097581.pdf
    Data publikacji:
    2021
    Wydawca:
    Polskie Towarzystwo Naukowe Silników Spalinowych
    Tematy:
    motorcycles
    toxicity indicators
    laboratory conditions
    WMTC test
    PEMS
    motocykle
    wskaźniki toksyczności
    warunki laboratoryjne
    test WMTC
    Opis:
    The subject of the article is proposed proprietary M toxicity indicator, which is based on the assumption that CO2 emissions are a measure of the correctness of the combustion process. For this purpose, gaseous exhaust compounds such as hydrocarbons, nitrogen oxides, carbon monoxide and carbon dioxide were measured and analyzed. The test object was a motorcycle, equipped with an gasoline engine with a displacement of 0.7 dm3 and a maximum power of 55 kW. The tests were carried out using the PEMS (Portable Emissions Measurement System) AxionR/S+. The exhaust emissions measurement was done in line with the WMTC (World Motorcycles Test Cycle) certification test, dedicated to vehicles in this category. The test consists of three parts, each of them lasts 600 s and has a different maximum speed value. The test was performed on a single-roller chassis dynamometer, designed for testing two-wheeled vehicles. The toxicity indicators and rotation speed results were presented as a function of time.
    Źródło:
    Combustion Engines; 2021, 60, 4; 36--41
    2300-9896
    2658-1442
    Pojawia się w:
    Combustion Engines
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Analysis of Research Method, Results and Regulations Regarding the Exhaust Emissions from Two-Wheeled Vehicles under Actual Operating Conditions
    Autorzy:
    Szymlet, Natalia
    Lijewski, Piotr
    Sokolnicka, Barbara
    Siedlecki, Maciej
    Domowicz, Andrzej
    Powiązania:
    https://bibliotekanauki.pl/articles/124348.pdf
    Data publikacji:
    2020
    Wydawca:
    Polskie Towarzystwo Inżynierii Ekologicznej
    Tematy:
    air pollution
    two-wheeled vehicles
    exhaust emission
    RDE methodology
    PEMS
    Opis:
    The subject of this article was the analysis of the current state of legislation regarding the exhaust emissions from two-wheeled vehicles. The regulations and emission limits were analyzed and compared for different areas of the world. Moreover, the review of the legal provisions includes an individual approach to specific categories of two-wheeled vehicles. The study also describes the research and exhaust emission measurement methods from mopeds and motorcycles both under laboratory conditions and in actual operation. The methods were evaluated in the aspect of future emission requirements and trends. In addition, the results of emissivity measurements under actual operating conditions obtained in the Poznań agglomeration with the use of motorcycle units were discussed and analyzed. The values of road emissions of all toxic compounds limited by legislators were compared with emission standards.
    Źródło:
    Journal of Ecological Engineering; 2020, 21, 1; 128-139
    2299-8993
    Pojawia się w:
    Journal of Ecological Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Comparative analysis of exhaust emissions from passenger cars and motorcycles
    Autorzy:
    Szymlet, Natalia
    Lijewski, Piotr
    Rymaniak, Łukasz
    Sokolnicka, Barbara
    Siedlecki, Maciej
    Powiązania:
    https://bibliotekanauki.pl/articles/132906.pdf
    Data publikacji:
    2019
    Wydawca:
    Polskie Towarzystwo Naukowe Silników Spalinowych
    Tematy:
    combustion engines
    passenger car
    motorcycle
    emission
    silniki spalinowe
    samochód osobowy
    emisja
    Opis:
    The subject of this article is a comparative analysis of exhaust emissions for: HC (hydrocarbons), CO (carbon monoxide), CO2 (carbon dioxide), NOx (nitrogen oxides) from a passenger vehicle and a motorcycle in laboratory conditions on a dynamometer station. The first vehicle category was represented by a compression-ignition engine with a displacement volume of 1.3 dm3 and a power of 66 kW. The exhaust aftertreatment system included a catalytic converter and a particulate filter. The second category was a motorcycle, equipped with an engine with a displacement of 0.7 dm3 and a maximum power of 55 kW. The two-wheeled vehicle was equipped with a three-way catalytic converter. Speeds were modeled on the European type approval test - NEDC (New European Driving Cycle). In order to conduct a comparative analysis of exhaust emissions and fuel consumption from vehicles of different categories, the obtained results were presented in the form of emissions converted into passenger-kilometers (g/pkm). The research used modern equipment belonging to the PEMS (Portable Emissions Measurement Systems) group of devices. The analyzes carried out enable the decision making on which vehicles have a greater environmental impact due to their exhaust emissions, taking into account the distance and the number of passengers carried.
    Źródło:
    Combustion Engines; 2019, 58, 2; 19-22
    2300-9896
    2658-1442
    Pojawia się w:
    Combustion Engines
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Tests of ecological indicators of two-way vehicles meeting Stage IIIB and Stage IV standards in real operating conditions
    Badania wskaźników ekologicznych pojazdów dwudrogowych spełniających standardy Stage IIIB i Stage IV w rzeczywistych warunkach eksploatacji
    Autorzy:
    Merkisz, Jerzy
    Rymaniak, Łukasz
    Lijewski, Piotr
    Kamińska, Michalina
    Kurc, Beata
    Powiązania:
    https://bibliotekanauki.pl/articles/32222653.pdf
    Data publikacji:
    2020
    Wydawca:
    Sieć Badawcza Łukasiewicz - Poznański Instytut Technologiczny
    Tematy:
    two-way vehicle
    ecological indicator
    Stage IIIB standard
    Stage IV standard
    road-rail tractor
    exhaust emissions
    CO2 emissions
    pojazd dwudrogowy
    wskaźnik ekologiczny
    standard Stage IIIB
    standard Stage IV
    ciągnik szynowo-drogowy
    emisja spalin
    emisja CO2
    Opis:
    The article presents the tests and analysis of ecological indicators of two rail-road tractors carried out during the real operation. The conditions of tests and vehicle constructions were characterized by the similar parameters, while the objects met the different exhaust gas emission standards: Stage IIIB and Stage IV. Apparatus from the PEMS group was used in the tests. In the analysis of ecological indicators, the unit emission of harmful gaseous compounds and particulates was determined. The supplementation is the assessment of toxicity indicators, which are the reference of individual compounds to CO2 emission. More favourable ecological characteristics were obtained by a vehicle meeting the newer exhaust gas emission standard, which resulted mainly from the use of advanced exhaust gas treatment systems in its construction.
    W artykule zaprezentowano badania i analizę wskaźników ekologicznych dwóch ciągników szynowo-drogowych zrealizowane podczas rzeczywistej eksploatacji. Warunki testów i konstrukcje pojazdów charakteryzowały się zbliżonymi parametrami, przy czym obiekty spełniały odmienne normy emisji spalin: Stage IIIB i Stage IV. W badaniach zastosowano aparaturę z grupy PEMS. W analizie wskaźników ekologicznych wyznaczono jednostkową emisję szkodliwych związków gazowych i cząstek stałych. Uzupełnienie stanowi ocena wskaźników toksyczności, będących odniesieniem poszczególnych związków do emisji CO2. Korzystniejsze charakterystyki ekologiczne uzyskał pojazd spełniający nowszą normę emisji spalin, co wynikało przede wszystkim z zastosowania w jego konstrukcji zaawansowanych układów oczyszczania spalin.
    Źródło:
    Rail Vehicles/Pojazdy Szynowe; 2020, 1; 1-9
    0138-0370
    2719-9630
    Pojawia się w:
    Rail Vehicles/Pojazdy Szynowe
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Evaluating the environmental costs in Poland of city buses meeting the Euro VI norm based on tests in real operating conditions
    Autorzy:
    Rymaniak, Łukasz
    Fuć, Paweł
    Lijewski, Piotr
    Kamińska, Michalina
    Daszkiewicz, Paweł
    Ziółkowski, Andrzej
    Powiązania:
    https://bibliotekanauki.pl/articles/223940.pdf
    Data publikacji:
    2019
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    evaluating the costs
    city buses
    exhaust emissions
    HDV
    RDE
    PEMS
    ocena kosztów
    autobusy miejskie
    emisje spalin
    Opis:
    The article analyzes the environmental costs which consisted of determining the annual cost for gases and particles released into the atmosphere by city buses meeting the Euro VI norm. To this end, exhaust emissions of a city bus equipped with a conventional drive system were performed. The vehicle had a length of 18m and was powered by a CI engine with a swept volume of 10,5 dm3, with a maximum power of 240 kW. In order to measure the ecological indicators, tests were performed in real driving conditions using the PEMS system. The apparatus made it possible to measure the concentration of gaseous compounds and particulate matter in the exhaust, which made it possible to determine the road exhaust emissions of the tested vehicle. The research was carried out on a test route including urban and suburban roads in accordance with legislative guidelines. The measurements showed that the bus met the exhaust emission limits determined on the basis of measuring windows defined in relation to the work generated by the drive system. In addition to information on the emissivity of the vehicle, the annual emissions from city buses meeting the Euro VI standard in Poland were also estimated. The information contained in the central vehicle register for the number of vehicles registered in Poland that meet the latest emission standards has been used for this purpose.
    Źródło:
    Archives of Transport; 2019, 52, 4; 109-115
    0866-9546
    2300-8830
    Pojawia się w:
    Archives of Transport
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Analysis of exhaust emission measurements in rural conditions from heavy-duty vehicle
    Autorzy:
    Ziółkowski, Andrzej
    Fuć, Paweł
    Lijewski, Piotr
    Rymaniak, Łukasz
    Daszkiewicz, Paweł
    Kamińska, Michalina
    Szymlet, Natalia
    Jagielski, Aleks
    Powiązania:
    https://bibliotekanauki.pl/articles/2097466.pdf
    Data publikacji:
    2020
    Wydawca:
    Polskie Towarzystwo Naukowe Silników Spalinowych
    Tematy:
    heavy-duty vehicle
    emission test
    exhaust emission
    samochód ciężarowy
    badanie emisji
    emisja spalin
    Opis:
    Road transport holds for the largest share in the freight transport sector in Europe. This work is carried out by heavy vehicles of various types. It is assumed that, in principle, transport should take place on the main road connections, such as motorways or national roads. Their share in the polish road infrastructure is not dominant. Rural and communal roads roads are the most prevalent. This fact formed the basis of the exhaust emissions and fuel consumption tests of heavy vehicles in real operating conditions. A set of vehicles (truck tractor with a semi-trailer) meeting the Euro V emission norm, transporting a load of 24,800 kg, was selected for the tests. The research was carried out on an non-urban route, the test route length was 22 km. A mobile Semtech DS instrument was used, which was used to measure the exhaust emissions. Based on the obtained results, the emission characteristics were determined in relation to the operating parameters of the vehicles drive system. Road emission, specific emission and fuel consumption values were also calculated.
    Źródło:
    Combustion Engines; 2020, 59, 3; 54--58
    2300-9896
    2658-1442
    Pojawia się w:
    Combustion Engines
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-8 z 8

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