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Wyświetlanie 1-3 z 3
Tytuł:
The comparison of harmful substances emission from flex-fuel vehicle during NEDC and WLTC test cycles
Autorzy:
Kruczyński, Stanisław
Gis, Wojciech
Zin, Dariusz
Powiązania:
https://bibliotekanauki.pl/articles/133887.pdf
Data publikacji:
2019
Wydawca:
Polskie Towarzystwo Naukowe Silników Spalinowych
Tematy:
Flex-Fuel
bioethanol fuels
NEDC
WLTC
WLTP
paliwa bioetanolowe
Opis:
The beginning of this article describes the NEDC and WLTC test cycles and basic differences between them. The following presents, the test stand and test objects, which were bioethanol fuels E10, E40 and E85. At the end were presented and discussed results of tests of these fuels in the flex-fuel vehicle in NEDC and WLTC test cycles.
Źródło:
Combustion Engines; 2019, 58, 4; 156-159
2300-9896
2658-1442
Pojawia się w:
Combustion Engines
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The comparative analysis of catalytic properties of Group 11 elements in NOx reduction by hydrocarbons in the presence of oxygen
Autorzy:
Kruczyński, Stanisław W.
Orliński, Piotr
Ślęzak, Marcin
Powiązania:
https://bibliotekanauki.pl/articles/2087018.pdf
Data publikacji:
2022
Wydawca:
Polska Akademia Nauk. Polskie Naukowo-Techniczne Towarzystwo Eksploatacyjne PAN
Tematy:
diesel engine
NOx reduction
conversion testing
group 11 elements
Opis:
NOx emission reduction in diesel engines can be achieved by using catalytic reactors reducing nitrogen oxides, including NH3-SCR and possibly also HC-SCR reactors. Reactors using ammonia achieve large conversion rates but cause a lot of operational problems. For this reason, the interest in reactors using hydrocarbons and their derivatives to reduce NOx has increased. Such reactors are the ones using metals from Group 11 (coinage metals) such as Cu, Ag and Au placed on an Al2O3-SiO2 carrier as active materials. The article characterizes the porosity and acidity of the carrier surface. Conversion of NO2, NO and propene as well as the formation of CO and N2O depending on the temperature at constant dosing of propene on a carrier covered with Cu, Ag and Au with a metal content of 4 g/dm3 were evaluated. The results of the tests showed that the tested Group 11 elements can be the basis for further experiments related to the development of this exhaust fumes cleaning technology for diesel engines.
Źródło:
Eksploatacja i Niezawodność; 2022, 24, 2; 170--176
1507-2711
Pojawia się w:
Eksploatacja i Niezawodność
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Determining the route for the purpose light vehicles testing in Real Driving Emissions (RDE) test
Autorzy:
Gis, Wojciech
Pielecha, Jacek
Merkisz, Jerzy
Kruczyński, Stanisław
Gis, Maciej
Powiązania:
https://bibliotekanauki.pl/articles/133983.pdf
Data publikacji:
2019
Wydawca:
Polskie Towarzystwo Naukowe Silników Spalinowych
Tematy:
RDE
vehicle
transport
passenger cars
test
ecology
homologation
pojazd
samochody osobowe
badania
ekologia
homologacja
Opis:
In the regulations concerning approval of light vehicles starting from September 2019 it will be necessary to conduct exhaust emissions tests both on a chassis dynamometer and for real driving emissions. It is a legislative requirement set forth in EU regulations for the purpose of the RDE (Real Driving Emissions) procedure. To decide on the RDE route for the purpose of the LV exhaust emissions tests many requirements must be fulfilled, regarding for example external temperature and the topographic height of the tests, driving style (driving dynamic parameters), trip duration, length of respective test sections (urban, rural, motorway, etc.). The works on outlining RDE routes are continued across the country in various research centres. Specifying the RDE route for test purposes, i.e. works in which the authors of this article are actively involved, has become a major challenge for future approval surveys concerning the assessment of hazardous emissions from light vehicles and for development studies focusing on - for example - the consumption of energy in electric and hybrid vehicles. The test route has been chosen to ensure that the test is performed on a continual basis. Data were recorded on a constant basis with the minimum duration of the test achieved. The test involved light vehicles and PEMS device for measuring the exhaust emissions, vehicle’s speed, completed route, etc. The device was installed in such manner as to ensure that its impact on the exhaust emissions from the tested vehicle and on the device’s operation is the least. The vehicle load was consistent with the requirements of the standard and included the aforesaid measurement device, the driver and the operator of PEMS. The tests were carried out on working days. The streets and roads used for the tests were hard-surfaced. Measurements were performed in accordance with the requirements of RDE packages (Package 1-4), i.e. taking into account - among others - the engine cold start. The article discusses the method of outlining the test route fulfilling the specific requirements for RDE testing. Chosen results of exhaust emissions from a passenger car with a spark-ignition engine along the defined RDE test route have been provided. The tests discussed in the article are introductory in the area of RDE tests and provide an introduction into further studies of exhaust emissions and energy consumption in real driving conditions in conventional vehicles and vehicles with alternative engines, e.g. hybrid and electric vehicles.
Źródło:
Combustion Engines; 2019, 58, 3; 61-66
2300-9896
2658-1442
Pojawia się w:
Combustion Engines
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-3 z 3

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