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In designing railway combustion engines, the key objective is to reduce fuel consumption. The way to achieve this objective is reduction of friction losses in the piston – cylinder node, which is the main in combustion engine. The analysis subjected railway engine DZC6 produce by Anglo Belgian Corporation, where on the basis of the parameters was carried out simulations for pistons with revised microgeometry...
The results resistance of loss motion diesel engine for different temperatures of lubricating oil is presented in the paper. Tests were performed to evaluate the effect of lubricating oil temperature of friction losses in engine. In addition to friction losses in the bearings of the crankshaft and a group of piston rings – piston – cylinder, the friction loss due to charge exchange in the cylinder...
Powierzchnia nośna tłoka poddawana jest w czasie pracy silnika spalinowego znacznym obciążeniom mechanicznym, co jest związane z ciągłym doskonaleniem silników spalinowych. Tak trudne warunki pracy elementów mechanizmu tłokowo-korbowego, a w szczególności tłoka, stwarzają określone problemy w zapewnieniu pożądanej trwałości i niezawodności mechanizmu tłokowo-korbowego. Od kilku lat bardzo szybko rozwijają...
The paper presents the problems of fuel consumption in internal combustion engines are analyzed on the economic and ecological levels which require developing modern fuel consumption monitors. The main property that such monitors must exhibit is the resistance to arduous operating conditions of combustion engines and no interference with the engine fuel supply and engine control systems. Additionally,...
W artykule przedstawiono modyfikację stanowiska silnikowego na hamowni silnikowej poprzez budowę układu regulacji i stabilizacji stanu cieplnego silnika. Stanowisko zostało wyposażone w specjalne układy regulacji temperatury, zapewniające większą stabilność temperatury niż ma to miejsce w standardowych układach. Podstawowym warunkiem przeprowadzania badań na stanowisku silnikowym jest utrzymywanie...
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