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Wyszukujesz frazę "Daszkiewicz, Andrzej" wg kryterium: Wszystkie pola

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    Wyświetlanie 1-8 z 8
    Tytuł:
    On the Moment Map of a Multiplicity Free Action
    Autorzy:
    Daszkiewicz, Andrzej
    Przebinda, Tomasz
    Powiązania:
    https://bibliotekanauki.pl/articles/966895.pdf
    Data publikacji:
    1996
    Wydawca:
    Polska Akademia Nauk. Instytut Matematyczny PAN
    Opis:
    The purpose of this note is to show that the Orbit Conjecture of C. Benson, J. Jenkins, R. L. Lipsman and G. Ratcliff [BJLR1] is true. Another proof of that fact has been given by those authors in [BJLR2]. Their proof is based on their earlier results, announced together with the conjecture in [BJLR1]. We follow another path: using a geometric quantization result of Guillemin-Sternberg [G-S] we reduce the conjecture to a similar statement for a projective space, which is a special case of a characterization of projective smooth spherical varieties due to Brion [B2].
    Źródło:
    Colloquium Mathematicum; 1996, 71, 1; 107-110
    0010-1354
    Pojawia się w:
    Colloquium Mathematicum
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    An analysis of the use of cruise control in a passenger car
    Autorzy:
    Andrzejewski, Maciej
    Merkisz, Jerzy
    Nowak, Mateusz
    Ziółkowski, Andrzej
    Daszkiewicz, Paweł
    Powiązania:
    https://bibliotekanauki.pl/articles/263054.pdf
    Data publikacji:
    2020
    Wydawca:
    Sieć Badawcza Łukasiewicz. Przemysłowy Instytut Motoryzacji
    Tematy:
    fuel consumption
    cruise control
    speed driving strategy
    Opis:
    Most vehicles are powered by internal combustion engines. Due to the nature of their operation they emit, among others, carbon dioxide which contributes to the greenhouse effect. CO2 production is strictly correlated with fuel consumption. The article presents the results of road tests of a passenger car with a spark-ignition engine meeting the Euro 6 emission norm. The test vehicle was equipped with a classic exhaust gas aftertreatment system – a three-way catalytic converter. The aim of the study was to verify the impact of the cruise control use on the vehicle fuel consumption. The measurements were based on Portable Emission Measurement System type mobile equipment for exhaust emission tests. The tests were carried out in real driving conditions travelling on an express way. Test drives took place on a route with variable topographic profile. Three test drives with different speeds were carried out, but the aim was to obtain an average speed of 130 km/h.
    Źródło:
    Archiwum Motoryzacji; 2020, 89, 3; 37-49
    1234-754X
    2084-476X
    Pojawia się w:
    Archiwum Motoryzacji
    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
    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
      Wyświetlanie 1-8 z 8

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