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Wyszukujesz frazę "Finke, S." wg kryterium: Autor


Wyświetlanie 1-2 z 2
Tytuł:
Test bench measurement of friction loss in combustion engine
Autorzy:
Wróblewski, E.
Finke, S.
Powiązania:
https://bibliotekanauki.pl/articles/133529.pdf
Data publikacji:
2017
Wydawca:
Polskie Towarzystwo Naukowe Silników Spalinowych
Tematy:
combustion engine
piston
oil
lubrication
friction loss
silnik spalinowy
tłok
olej
smarowanie
straty tarcia
Opis:
The results of modeling and bench testing friction losses in the main engine kinematic nodes for different lubricating oil temperature values was presented in the article. The study was performed to evaluate the effect of lubricating oil temperature on the engine friction losses. In addition to friction losses in the crankshaft bearings and the piston rings in a cylinder-piston group the friction loss due to charge exchange in the cylinder, drive of timing system and the oil pump were measured. The obtained results show the course of the friction loss in the combustion engine. The research shows that the thermal state of the engine lubricating oil has effect on the amount of friction losses. Formulated conclusions allow to assess the impact of the oil temperature on the friction losses in the main friction nodes in combustion engine.
Źródło:
Combustion Engines; 2017, 56, 1; 46-50
2300-9896
2658-1442
Pojawia się w:
Combustion Engines
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Investigation of friction loss in internal combustion engine of experimental microgeometry piston bearing surface
Autorzy:
Wróblewski, E.
Finke, S.
Babiak, M.
Powiązania:
https://bibliotekanauki.pl/articles/244305.pdf
Data publikacji:
2017
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
combustion engine
friction
lubrication
piston
microgeometry bearing surface
Opis:
The piston is the most mechanically and thermally loaded engine component. The energy required to overcome the mechanical losses in the combustion engine is approx. 10% of the energy supplied to the engine in a fuel. The main node piston-pin-piston rings are most responsible for the formation of mechanical losses. It is advisable to reduce friction losses in the piston-cylinder group lead to an increase in the overall efficiency of the engine and thus reduce the fuel consumption. The way of achieving these objectives is modification of microgeometry of the pistonbearing surface, which cooperates with the cylinder wall. The geometry of the gap between the piston skirt and the cylinder liner greatly affects the friction loss inside combustion engine. A way to reduce the area covered by the oil film is the application of a stepped profile of the piston skirt. The stepwise profile can be obtained covering the cylindrical or tapered piston-bearing surface with a thin layer graphite. Covering the piston bearing surface with a thin layer of graphite one can get an extremely advantageous tribological properties of the piston assembly which means the expected parameters of oil film and reduction friction loss. In this article, the results of research on experimental pistons on friction loss in combustion engine are presented.
Źródło:
Journal of KONES; 2017, 24, 2; 307-313
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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