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Wyszukujesz frazę "Koszalka, J." wg kryterium: Autor


Wyświetlanie 1-2 z 2
Tytuł:
Comperative analysis of emision from engine fuelled with diesel and bio-diesel
Autorzy:
Koszałka, G.
Hunicz, J.
Kordos, P.
Powiązania:
https://bibliotekanauki.pl/articles/242081.pdf
Data publikacji:
2009
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
diesel engine
alternative fuel
bio-diesel
exhaust emissions
Opis:
The paper presents comparative analysis of operational parameters, smoke emission and toxic components contents in exhaust gases of a compression ignition engine fuelled with fossil diesel, commercial bio-diesel (fatty acid methyl ester) and their blend. Measurements were conducted on an older generation diesel engine equipped with in-line injection pump. Engine was operated in conditions of full load rotational speed characteristic and also ESC steady-state test cycle. Fourier Transform Infrared (FTIR) analytical system provided contents of 23 exhaust gas components. In particular chosen parameters of investigated fuels (on the base of quality reports), performance and fuel consumption characteristic versus rotational speed, smoke emission (D) and content of carbon monoxide (CO), unburned hydrocarbons (THC) and nitrogen oxides (NOx), sulphur dioxide (S02) and carbon dioxide (CO2) in exhaust gas of the engine fuelled with investigated fuels, emission of specific hydrocarbons of the engine fuelled with investigated fuels, of non-regulated compounds measured during the research, molar mass of analyzed exhaust compounds are presented in the paper.
Źródło:
Journal of KONES; 2009, 16, 3; 165-171
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
An assessment of trailer suspension dynamic behavior via vibration measurements
Autorzy:
Hunicz, J.
Koszałka, G.
Golec, M.
Taratuta, L.
Powiązania:
https://bibliotekanauki.pl/articles/241829.pdf
Data publikacji:
2012
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
road transport
exceptional transport
semi-trailer
vibration measurements
suspension dynamics
Opis:
A dynamic response of a semi-trailer suspension to a real road profile under two different loads was investigated in this study. The trailer was a low loader for transporting heavy and large loads which configuration could be adjusted to the current needs. During the described investigation the vehicle was composed of: detachable gooseneck, maximally extended low bed and 5 hydraulically steered axles comprised 2-axle and 3-axle assemblies. The experiments were performed for unloaded and loaded with 60 tons trailer, that was equal to maximum trailer pay load. Acceleration measurements at unsprung and sprung parts of the vehicle were applied. As a test surface a railway track crossing was chosen. Acceleration time series were analysed by the means of power spectral density. The isolation of free vibration and forced vibration frequencies and effectiveness of suspension damping over wide frequency range was done. Two characteristic signal bands were identified. In the frequency range up to 10 Hz vehicle vibration energy decreased for the load increase for both, sprung and unsprung parts. In contrast, in the range between 10 and 25 Hz at higher load increase of vibration energy was noticed, however only at unsprung mass. Data analysis revealed complexity of vehicle vertical acceleration as a response to the road profile. Nevertheless, it allowed for estimation of the trailer dynamic loads under real road conditions.
Źródło:
Journal of KONES; 2012, 19, 4; 333-338
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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