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    Wyświetlanie 1-3 z 3
    Tytuł:
    Elemental analysis as an important tool for fuels and biofuels quality control
    Autorzy:
    Faber, J.
    Brodzik, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/132904.pdf
    Data publikacji:
    2017
    Wydawca:
    Polskie Towarzystwo Naukowe Silników Spalinowych
    Tematy:
    fuels
    biofuels
    FAME
    elemental composition
    ICP-OES
    paliwa
    biopaliwa
    skład elementarny
    Opis:
    Article presents normalized analytical methods for determination of elements in fuels and biofuels with emphasis on inductively coupled plasma emission spectrometry (ICP-OES) and their advantages and disadvantages. Analytical procedure applied for determination of 20 elements (Al, B, Ba, Ca, Cr, Cu, Fe, K, Mg, Mn, Mo, Na, Ni, P, Pb, Si, Sn, Ti, V and Zn) is described with elements of validation. Broad range of elemental analysis results of fuels (B0, B7 and B10) and pure FAME samples are described. Typical contents of selected elements are presented which allows discussion on the domestic fuel quality in regard to non-standardized parameters and their potential effect on combustion engines performance.
    Źródło:
    Combustion Engines; 2017, 56, 4; 140-144
    2300-9896
    2658-1442
    Pojawia się w:
    Combustion Engines
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Effect of nitrON® cetane-detergent additive to B7 fuel on energy parameters and exhaust gas composition of a 6Dg locomotive with a Caterpillar C27 engine
    Autorzy:
    Cisek, Jerzy
    Borowski, Andrzej
    Całkowska, Joanna
    Wichary, Łukasz
    Powiązania:
    https://bibliotekanauki.pl/articles/2097555.pdf
    Data publikacji:
    2021
    Wydawca:
    Polskie Towarzystwo Naukowe Silników Spalinowych
    Tematy:
    diesel engine
    biofuels
    fuel additive
    exhaust gas composition
    silnik Diesla
    biopaliwa
    dodatek do paliwa
    skład spalin
    Opis:
    In order to avoid the negative effects of increasing the amount of RME in the fuel, the nitrON® package was used, containing 3 different additives: stabilizing, washing and increasing the cetane number of the fuel. The tests were carried out with the use of the Caterpillar C27 engine of the 6Dg locomotive connected to a water resistor. The hourly engine fuel consumption (FC), NOx concentration and exhaust opacity were measured for 3 points of the F test, in accordance with UIC 624. The concentration of the nitrON® additive in the test fuel was 1500 ppm (v/v). For idling, the reduction in FC value was only 1.5% (in relation to the base fuel), but for a very high engine load and nominal rotational speed, the percentage reduction in FC was as high as 5%. The reduction of NOx concentration for idling (as a result of using nitrON®) was approx. 10%, while for high engine load, the percentage reduction of NOx concentration in the exhaust gas exceeded 15%.
    Źródło:
    Combustion Engines; 2021, 60, 3; 51--58
    2300-9896
    2658-1442
    Pojawia się w:
    Combustion Engines
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Analysis of the data set from a two-year observation of the ambient water-soluble ions bound to four particulate matter fractions in an urban background site in Southern Poland
    Autorzy:
    Rogula-Kozłowska, W.
    Majewski, G.
    Czechowski, P. O.
    Rogula-Kopiec, P
    Powiązania:
    https://bibliotekanauki.pl/articles/207331.pdf
    Data publikacji:
    2017
    Wydawca:
    Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
    Tematy:
    chemical composition
    inorganic ions
    PM2.5
    air
    precipitation
    atmosphere
    Southern Poland
    skład chemiczny
    powietrze
    paliwa stałe
    zanieczyszczenie
    Południe Polski
    Opis:
    Ten water-soluble ions (F–, Cl–, NO3–, PO43–, SO42–, Na+, NH4+, K+, Ca2+, Mg2+), distributed among four fractions of particulate matter, PM, were investigated in an urban background site. The PM was sampled twice a week during a two-year sampling period. Mass distribution among the PM fractions and ambient concentrations of the ten PM-bound ions in the heating and non-heating periods, the seasonal effects in the PM fraction-bound ion concentrations (generalized regression model), and the principal components of all the resulting sets of ambient concentrations (principal component analysis) were determined, discussed, and interpreted in the terms of source apportionment of PM emissions. The formation of secondary inorganic aerosol in transformations of gaseous precursors (e.g., SOx, NOx, NH3) appeared to be most probable and significant source of PM2.5, especially of its sub-fraction PM1–2.5, in the non-heating period. In the heating period, PM and PM2.5 bound water-soluble ions originated mainly from combustion of coal and other solid fuels, or waste. Coarse particles (PM2.5–10 and PM10–40) and some PM2.5–40-bound ions (e.g. Na+, K+, Mg2+) may come from re-suspension of mineral matter and road dust. In some part, coarse PM may consist of mineral and salt particles containing gaseous and semi-volatile compounds.
    Źródło:
    Environment Protection Engineering; 2017, 43, 1; 137-149
    0324-8828
    Pojawia się w:
    Environment Protection Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-3 z 3

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